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CN101884159B - Multiple Voltage Power Supply Unit - Google Patents

Multiple Voltage Power Supply Unit Download PDF

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Publication number
CN101884159B
CN101884159B CN2008801190716A CN200880119071A CN101884159B CN 101884159 B CN101884159 B CN 101884159B CN 2008801190716 A CN2008801190716 A CN 2008801190716A CN 200880119071 A CN200880119071 A CN 200880119071A CN 101884159 B CN101884159 B CN 101884159B
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CN
China
Prior art keywords
voltage
power supply
resistor
terminal
output voltage
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Expired - Fee Related
Application number
CN2008801190716A
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Chinese (zh)
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CN101884159A (en
Inventor
金成烈
金仁泰
李秉灿
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AD-Tech Co Ltd
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AD-Tech Co Ltd
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Publication of CN101884159A publication Critical patent/CN101884159A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007—Plural converter units in cascade
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0083—Converters characterised by their input or output configuration
    • H02M1/009—Converters characterised by their input or output configuration having two or more independently controlled outputs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
    • H02M3/071—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps adapted to generate a negative voltage output from a positive voltage source

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

The present invention provides a multi-voltage power supply apparatus which generates a multi-power supply voltage including a positive output voltage and a negative output voltage by using one input voltage. In the multiple-voltage power supply device, multiple output voltages can be obtained regardless of the input voltage, and the operating range in the input voltage can be easily widened. In addition, since the regulator is used to generate the positive output voltage, a voltage that is not affected by switching noise can be obtained.

Description

Multiple-voltage power supply apparatus
Technical field
The present invention relates to a kind of supply unit, relate in particular to a kind of multiple-voltage power supply apparatus, it produces the multiple supply voltage that comprises positive output voltage and negative output voltage by utilizing an input voltage.
Background technology
Traditionally, a lot of electronic installations are arranged, wherein Yu Ding positive output voltage source V po and predetermined negative output voltage source Vno are different from positive voltage source Vpo, are respectively required in this charge coupled device (CCD).
Mode according to this, under the situation of positive output voltage source V po that needs to be higher than input voltage respectively and negative output voltage source Vno, use is by the switched voltage circuit that improves or reduce input voltage with coil, thus the predetermined positive output voltage that generation converts from supply voltage.
Traditionally, has the Switching power unit of coil as the DC-DC transducer that produces the voltage that is different from supply voltage.For rising type Switching power unit, switch open/close the electric current that flows through coil, thus obtain high voltage from the DC input voltage, then by diode and electric capacity rectification and level and smooth this high voltage, thereby obtain rising type output voltage.
Fig. 1 represents the structure of traditional multiple-voltage power supply apparatus.
With reference to figure 1, traditional multiple-voltage power supply apparatus comprises that rising type Switching power circuit 10, negative output voltage initialization circuit 20 and negative output voltage produce circuit 30.
In rising type Switching power circuit 10, the nmos pass transistor Q1 that carries out handover operation between power source voltage Vcc and earthed voltage GND is connected serially to inductance L 1.The voltage output of series connection point A is as the positive output voltage Vpo of diode D1 and capacitor C 1.
Input to control circuit Cont corresponding to the detection voltage Vdet of positive output voltage Vpo with from the reference voltage Vref of reference voltage source B 1.Control circuit Cont produces the switching signal that is used for control switch Q1, thus balanced voltage Vdet and the reference voltage Vref of detecting.
By rising type Switching power circuit 10, positive output voltage Vpo equals by improving the predetermined voltage (=Vref x (R1+R2)/R2) that power source voltage Vcc obtained through control.The voltage of tie point A becomes 0 or positive output voltage Vpo, with the unlatching of responding to switch Q1 or close.
In negative output voltage initialization circuit 20, Zener diode ZD1 and ZD2 connect between positive output voltage node Vpo and ground connection GND, thereby obtain predetermined voltage drop Vz.The negative output voltage setting voltage (Vpo-Vz) that is lower than positive output voltage Vpo predetermined voltage Vz is exported from the tie point B between Zener diode and the constant current supply 120.
Negative output voltage produces circuit 30 and produces negative output voltage Vno according to input negative output voltage setting voltage (Vpo-Vz) and switching signal.Negative output voltage setting voltage (Vpo-Vz) is supplied to negative output voltage by buffer BUF and produces circuit 30.Negative output voltage setting voltage (Vpo-Vz) is regulated by the Zener diode of selecting proper number, thereby produces required negative output voltage Vno.
Fig. 2 represents the another kind of structure of traditional multiple-voltage power supply apparatus.
With reference to figure 2, traditional multiple-voltage power supply apparatus comprises that decline type Switching power circuit 10A, negative output voltage initialization circuit 20A and negative output voltage produce circuit 30A.
Decline type Switching power circuit 10A reduces input supply voltage Vcc, with the positive output voltage Vpo of output reduction.
In decline type Switching power circuit 10A, coil L1A opens by the first switch Q1A, promptly is that according to power source voltage Vcc and capacitor C 1A, the PMOS transistor is connected to the output of coil L1A.The charging voltage of capacitor C 1A exports positive output voltage Vpo to.The first switch Q1A, i.e. PMOS transistor and second switch Q2A, promptly nmos pass transistor is complementary switches.
The similar of represented positive output voltage detecting circuit 11 among the structure that positive output voltage detecting circuit 11A has and Fig. 1.Control circuit ContA exports complementary switching signal by the first switch Q1A and second switch Q2A.Control circuit Cont represented among other structures of control circuit ContA and operation and Fig. 1 is similar.
By decline type Switching power circuit 10A, positive output voltage Vpo equals by reducing the predetermined voltage (=Vrefx (R1+R2)/R2) that power source voltage Vcc obtained through control.The voltage of tie point A becomes power source voltage Vcc or 0, with the unlatching that responds the first switch Q1A or close.
In negative output voltage initialization circuit 20A, Zener diode ZD1 and ZD2 connect between power source voltage Vcc and ground connection GND, fall Vz thereby obtain predetermined voltage.The negative output voltage setting voltage (Vcc-Vz) that is lower than power source voltage Vcc predetermined voltage Vz is exported from the tie point B between Zener diode and the constant current supply 120.
Represented negative output voltage produces the similar of circuit 30 among the structure that negative output voltage generation circuit 30A has and Fig. 1.Negative output voltage produces circuit 30A and produces negative output voltage Vno according to input negative output voltage setting voltage (Vcc-Vz) and switching signal.Negative output voltage setting voltage (Vcc-Vz) is supplied to negative output voltage by buffer BUF and produces circuit 30A.Negative output voltage setting voltage (Vcc-Vz) is regulated by the Zener diode of selecting proper number, thereby can produce required negative output voltage Vno.
As a result, the level that has of negative output voltage Vno equals the predetermined voltage Vz that negative output voltage produces circuit 30A.
Described with reference to figure 1 and Fig. 2, in multiple-voltage power supply apparatus, use rising type or decline type Switching power circuit, thereby from input supply voltage Vcc, produce positive output voltage Vpo, then by utilizing the switching signal that produces to produce negative output voltage Vno.
In addition, the predetermined voltage Vz that negative output voltage is produced in the circuit to be produced by buffer is supplied to negative output voltage and produces circuit and produce negative output voltage Vno.
Yet, in traditional supply unit, by utilizing the switching signal that in the circuit that produces positive output voltage Vpo, is produced to produce negative output voltage Vno.Therefore, whether Vpo is higher or lower than power source voltage Vcc according to positive output voltage, and producing the circuit of positive output voltage Vpo and the circuit of generation negative output voltage Vno needs idioadaptation.As a result, traditional supply unit is unsuitable for having the structure of power source voltage Vcc inner width opereating specification.
In addition, because not directly monitoring of negative output voltage Vno, so need be used to produce the circuit of positive output voltage Vpo, producing a voltage is used to utilize predetermined voltage to fall to produce negative output voltage Vno, buffer voltagc, and receive the input switching signal, thus produce negative output voltage Vno.Therefore, be difficult to keep accurate, stable negative output voltage Vno.
In addition, produce the reference voltage that Vz falls in predetermined voltage because power source voltage Vcc or positive output voltage Vpo are used as, its switching noise is passed to negative output voltage Vno.
Therefore, positive output voltage Vpo and the negative output voltage Vno that is produced in the traditional supply unit is unsuitable for the power supply noise devices sensitive.Therefore, in the device that additionally needs this switching noise of removal, have problems.
Summary of the invention
(technical problem that institute's desire solves)
The invention provides a kind of multiple-voltage power supply apparatus,, be suitable for, and in input voltage, have wide opereating specification the power supply noise devices sensitive no matter it can utilize the same circuits of voltage relationship between input voltage and the output voltage.
(technological means of dealing with problems)
According to an aspect of of the present present invention, provide a kind of multiple-voltage power supply apparatus, comprising: decline type Switching power unit, it has the reference voltage Vint that is lower than input voltage vin by utilizing input voltage to produce; First adjuster, it produces the first output voltage V out1 by the level of regulating reference voltage; Rising type Switching power unit, it produces up voltage Vx by increasing reference voltage; The positive output voltage generator, up voltage produces positive output voltage Vpo and enable signal En by utilizing upward for it; And charge pump conversion hysteria power subsystem, it goes up up voltage by utilization and first output voltage produces negative output voltage, with the response enable signal.
According to another aspect of the present invention, provide a kind of multiple-voltage power supply apparatus, comprising: decline type Switching power unit, it is by utilizing input voltage to produce switching signal Sw and having the reference voltage Vint that is lower than input voltage vin; First adjuster, it produces the first output voltage V out1 by the level of regulating reference voltage; Charge pump rising type power subsystem, it is by utilizing switching signal and input voltage to produce up voltage Vx; The positive output voltage generator, up voltage produces positive output voltage Vpo and enable signal En by utilizing upward for it; And charge pump conversion hysteria power subsystem, it is by utilizing the input voltage and first output voltage to produce negative output voltage Vno, with the response enable signal.
Provide a kind of multiple-voltage power supply apparatus more on the one hand according to of the present invention, comprising: decline type Switching power unit, it is by the reference voltage Vint that utilizes input voltage to produce switching signal Sw and have the level that is lower than input voltage vin; First adjuster, it produces the first output voltage V out1 charge pump rising type power subsystem by the level of regulating reference voltage, and it is by utilizing switching signal and input voltage to produce up voltage Vx; The positive output voltage generator, up voltage produces positive output voltage Vpo and enable signal En by utilizing upward for it; And charge pump conversion hysteria power subsystem, it goes up up voltage by utilization and first output voltage produces negative output voltage Vno, with the response enable signal.
According to another aspect of the present invention, provide multiple-voltage power supply apparatus, comprising: decline type Switching power unit, it has the reference voltage Vint that level is lower than input voltage vin by utilizing input voltage to produce; First adjuster, it produces the first output voltage V out1 by the level of regulating reference voltage; Lifting Switching power unit, it produces up voltage Vx by improving input voltage; The positive output voltage generator, up voltage produces positive output voltage Vpo and enable signal En by utilizing upward for it; And charge pump conversion hysteria power subsystem, it is by utilizing the input voltage and first output voltage to produce negative output voltage Vno, with the response enable signal.
According to another aspect of the present invention, provide multiple-voltage power supply apparatus, comprising: decline type Switching power unit, it has the reference voltage Vint that level is lower than input voltage vin by utilizing input voltage to produce; First adjuster, it produces the first output voltage V out1 by the level of regulating reference voltage; Lifting Switching power unit, it is by utilizing input voltage to produce up voltage Vx; Second voltage regulator, up voltage produces positive output voltage Vpo and enable signal En by utilizing upward for it; And charge pump conversion hysteria power subsystem, it goes up up voltage by utilization and first output voltage produces negative output voltage Vno, with the response enable signal.
(effect)
According in the multiple-voltage power supply apparatus of the present invention, input voltage is converted to after the reference voltage, utilizes reference voltage with generation positive output voltage and negative output voltage, thereby no matter can utilize the same circuits structure of voltage relationship between input voltage and the output voltage.Therefore, can relax opereating specification in the input voltage easily.
In addition, according in the multiple-voltage power supply apparatus of the present invention, monitor negative output voltage so that produce negative output voltage, thereby can obtain accurate negative output voltage.
In addition, owing to utilize adjuster producing positive output voltage, so can obtain the voltage that not influenced by switching noise.Therefore, multiple-voltage power supply apparatus is applicable to the power supply noise devices sensitive.
Description of drawings
Fig. 1 represents the structure of traditional multiple-voltage power supply apparatus.
Fig. 2 represents the another kind of structure of traditional multiple-voltage power supply apparatus.
Fig. 3 represents the structure according to the multiple-voltage power supply apparatus of the embodiment of the invention.
Fig. 4 is a circuit diagram, the decline type Switching power unit of represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 3.
Fig. 5 is a circuit diagram, the rising type Switching power unit of represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 3.
Fig. 6 is a circuit diagram, the charge pump conversion hysteria power subsystem of represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 3.
Fig. 7 represents the structure according to the multiple-voltage power supply apparatus of another embodiment of the present invention.
Fig. 8 is a circuit diagram, the represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 7.
Fig. 9 represents the structure according to the multiple-voltage power supply apparatus of another embodiment of the present invention.
Figure 10 is a circuit diagram, the represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 9.
Figure 11 represents the structure according to the multiple-voltage power supply apparatus of another embodiment of the present invention.
Figure 12 represents the structure according to the multiple-voltage power supply apparatus of another embodiment of the present invention.
Figure 13 is a circuit diagram, the lifting Switching power unit of represented multiple-voltage power supply apparatus according to the embodiment of the invention among expression Figure 11 and Figure 12.
Embodiment
Hereinafter, the present invention will be with reference to the appended graphic exemplary embodiment of the present invention of describing in detail.In order preferably to understand the description that the present invention will omit known technology and structure.
Fig. 3 represents the structure according to the multiple-voltage power supply apparatus of the embodiment of the invention.
With reference to figure 3, supply unit comprises decline type Switching power unit 310, first adjuster 320, rising type Switching power unit 330, positive output voltage generator 340 and charge pump conversion hysteria power subsystem 350.
Decline type Switching power unit 310 has the reference voltage Vint that level is lower than input voltage vin by utilizing input voltage to produce.
First adjuster 320 by the switching noise of the reference voltage Vint of the output of removing decline type Switching power unit 310 to produce the first output voltage V out1.One or more first adjusters 320 are provided, thereby can obtain the multiple output voltage V out1, the Vout2... that are wanted easily.
Rising type Switching power unit 330 is by utilizing reference voltage Vint to produce up voltage Vx.
Positive output voltage generator 340 comprises second adjuster 341 and enables square 342.Second adjuster 341 produces positive output voltage Vpo by utilize going up up voltage Vx, and enables square 342 and detect the generation of positive output voltage Vpo to produce enable signal En.
Charge pump conversion hysteria power subsystem 350 goes up up voltage Vx by utilization and the first output voltage V out1 produces negative output voltage Vno, with response enable signal En.
Mean in decline type Switching power unit 310, to have level and be lower than the reference voltage Vint of input voltage vin by utilizing input voltage vin to produce.Positive output voltage Vpo, negative output voltage Vno and the multiple first output voltage V out1 can obtain easily.
Fig. 4 is a circuit diagram, the decline type Switching power unit 310 of represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 3.
With reference to figure 4, decline type Switching power unit 310 has the reference voltage Vint that level is lower than input voltage vin by utilizing input voltage vin to produce.
More specifically, decline type Switching power unit 310 comprises the first switch Q1, its first end loads input voltage vin, the first diode D1, its first end is connected to second end and its second end ground connection of the first switch Q1, first inductance L 1, its first end is commonly connected to second end of the first switch Q1 and first end of the first diode D1, first capacitor C 1, its first end is connected to second end and its second end ground connection of first inductance L 1, the first feedback voltage generator 311, it is by utilizing reference voltage Vint to produce first feedback voltage Vfb 1, and first controller 312, it is by first control signal of utilizing first feedback voltage Vfb 1 to produce to be used to control On/Off first switch.
Decline type Switching power unit 310 has the reference voltage Vint that level is lower than input voltage vin by utilizing input voltage vin to produce.
In decline type Switching power unit 310, first inductance L 1 is promptly opened according to the transistor of input voltage vin through the first switch Q1, and first capacitor C 1 is connected to the output of first inductance L 1.The charging voltage of first capacitor C 1 exports reference voltage Vint to.
The first feedback voltage generator 311 comprises first resistance R 1, and its first end is connected to the output node and second resistance R 2 of reference voltage, and its first end is connected to second end and its second end ground connection of the first transistor.First feedback voltage Vfb 1 is from the common node output of first resistance R 1 and second resistance R 2.
First controller 312 is by the first control signal Con1 that utilizes first feedback voltage Vfb 1 to produce to be used to control the first switch Q1, thus the exportable reference voltage Vint that wants.According to the operation of first controller 312, output has the reference voltage Vint that level is lower than input voltage vin.The first switch Q1 can make up with bipolar transistor or MOS transistor.
Fig. 5 is a circuit diagram, the rising type Switching power unit 330 of represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 3.
With reference to figure 5, rising type Switching power unit 330 comprises second inductance L 2, its first end loads reference voltage, second switch Q2, its first end is connected to second end and its second end ground connection of second inductance L 2, the second diode D2, its first end is commonly connected to second end of second inductance L 2 and first end of second switch Q2, second capacitor C 2, its first end is connected to second end and its second end ground connection of the second diode D2, the second feedback voltage generator 331, up voltage produces second feedback voltage Vfb 2 by utilizing upward for it, and second controller 332, it is by second control signal of utilizing second feedback voltage to produce to be used to control On/Off second switch Q2.
In rising type Switching power unit 330, second inductance L 2 is promptly opened according to the transistor of reference voltage Vint through second switch Q2, and second capacitor C 2 is connected to the outlet terminal of second inductance L 2.The charging voltage of second capacitor C 2 exports up voltage Vx to.
The second feedback voltage generator 331 comprises the 3rd resistance R 3, and its first terminal is connected to the output node and the 4th resistance R 4 of up voltage, and its first end is connected to second end and its second end ground connection of the 3rd resistance R 3.Second feedback voltage Vfb 2 is from the common node output of the 3rd resistance R 3 and the 4th resistance R 4.
Second controller 332 is by the second control signal Con2 that utilizes second feedback voltage Vfb 2 to produce to be used to control second switch Q2, thus the exportable last up voltage Vx that wants.According to the operation of second controller 332, output has the last up voltage Vx that level is higher than reference voltage Vint.Second switch Q2 can make up with bipolar transistor or MOS transistor.
Fig. 6 is a circuit diagram, the charge pump conversion hysteria power subsystem 350 of represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 3.
With reference to figure 6, charge pump conversion hysteria power subsystem comprises driver 353, it is operated between last up voltage and earthed voltage, and its first input end load enable signal En, the 3rd capacitor C 3, its first end is connected to output end of driver, the 3rd diode D3, its first end is connected to second end and its second end ground connection of the 3rd capacitor C 3, the 4th diode D4, its first end is commonly connected to second end and first end of the 3rd diode D3 and the output node that its second end is connected to negative output voltage Vno of the 3rd capacitor C 3, the 4th capacitor C 4, its first end is connected to output node and its second end ground connection of negative output voltage Vno, the 3rd feedback voltage generator 351, it is by utilizing negative output voltage Vno to produce the 3rd feedback voltage Vfb 3, and the 3rd controller 352, it is by second input that utilizes the 3rd feedback voltage Vfb 3 to produce the 3rd control signal and the 3rd control signal is loaded on driver 353.
Charge pump conversion hysteria power subsystem 350 goes up up voltage Vx by utilization and the first output voltage V out1 produces negative output voltage Vno, with response enable signal En.
Charge pump conversion hysteria power subsystem 350 and the combination of charge pump transducer.The 3rd feedback voltage generator 351 is not providing to the situation of charge pump conversion hysteria power subsystem 350, and the last up voltage Vx conversion that is used as driver 353 power supplys is to be output as negative output voltage Vno.
Therefore, the negative output voltage Vno that wants in order to obtain, the 3rd feedback voltage generator 351 and 5 combinations of the 5th resistance R, its first end is connected to the output node of negative output voltage Vno, and the 6th resistance R 6, second end and its second end that its first terminal is connected to the 5th resistance R 5 are connected to the first output voltage V out1.
The 3rd feedback voltage Vfb of exporting from the common node of the 5th resistance R 5 and the 6th resistance R 63 inputs to the 3rd controller 352.The 3rd controller 352 is by utilizing the 3rd feedback voltage Vfb 3 to produce the 3rd control signal Con3 and the 3rd control signal Con3 being loaded on the input of driver 353.
Driver 353 is by utilizing the 3rd control signal Con3 and last up voltage Vx to export the negative output voltage Vno that is wanted by the operation of the 3rd capacitor C 3, the 4th capacitor C 4, the 3rd diode D3 and the 4th diode D4.
The negative output voltage Vno that is wanted can obtain by regulating the 3rd feedback voltage Vfb 3.Therefore, the negative output voltage Vno that is wanted can regulate easily by changing the 5th resistance R 5, the 6th resistance R 6 and the first output voltage V out1.
Function driver 353 is with response enable signal En, its generation and as the result who detects positive output voltage Vpo.Therefore, from the time of generation positive output voltage Vpo, but driver 353 normal runnings are to produce negative output voltage Vno.
Fig. 7 represents the structure according to the multiple-voltage power supply apparatus of another embodiment of the present invention.
Fig. 8 is a circuit diagram, the represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 7.
With reference to figure 7 and Fig. 8, multiple-voltage power supply apparatus comprises decline type Switching power unit 710, first adjuster 720, charge pump rising type power subsystem 730, positive output voltage generator 740 and charge pump conversion hysteria power subsystem 750.
As previously discussed, decline type Switching power unit 710 has the reference voltage Vint that level is lower than input voltage vin by utilizing input voltage vin to produce.
First adjuster 720 produces the first output voltage V out1 by the switching noise of removing reference voltage Vint, and this reference voltage Vint is the output of decline type Switching power unit 710.More than one first adjuster 720 is provided, thereby can obtains the multiple output voltage V out1, the Vout2... that are wanted easily.
Charge pump rising type power subsystem 730 comprises the 5th diode D5, its first end is connected to input voltage, the 5th capacitor C 5, its first end is connected to the switching signal Sw of decline type Switching power unit 710, and its second end is connected to second end, the 6th diode D6 of the 5th diode D5, its first end is commonly connected to second end and the 6th capacitor C 6 of second end and the 5th diode D5 of the 5th capacitor C 5, and its first end is connected to second end and its second end ground connection of the 6th diode D6.Last up voltage is from the common node output of first end of second end of the 6th diode D6 and the 6th capacitor C 6.
In charge pump rising type power subsystem 730, the reference voltage that the 5th capacitor C 5 is charged comes to 6 chargings of the 6th capacitor C, to produce the last up voltage Vx that rises from input voltage vin according to the switching signal Sw that is produced in the decline type Switching power unit 710.
With reference to figure 3, positive output voltage generator 740 comprises second adjuster 741 and enables square 742.Up voltage Vx produces positive output voltage Vpo to second adjuster 741 by utilizing upward, and enables the generation that square 742 detects positive output voltage Vpo, to produce enable signal En.
Charge pump conversion hysteria power subsystem 750 is according to the aforesaid operations principle, by utilizing the reference voltage Vint and the first output voltage V out1 to produce negative output voltage Vno, with response enable signal En.
Fig. 9 represents the structure according to the multiple-voltage power supply apparatus of another embodiment of the present invention.
Figure 10 is a circuit diagram, the represented multiple-voltage power supply apparatus according to the embodiment of the invention in the presentation graphs 9.
With reference to figure 9 and Figure 10, be similar to multiple-voltage power supply apparatus represented among Fig. 7, multiple-voltage power supply apparatus comprises decline type Switching power unit 710, first adjuster 720, charge pump rising type power subsystem 730, positive output voltage generator 740 and charge pump conversion hysteria power subsystem 750.
The structure of decline type Switching power unit 710, first adjuster 720, charge pump rising type power subsystem 730 and positive output voltage generator 740 and operating principle are identical with content described in Fig. 7 and Fig. 8.
Yet, the charge pump conversion hysteria power subsystem that is different from multiple-voltage power supply apparatus represented among Fig. 7, it uses the reference voltage Vint and the first output voltage V out1, the charge pump conversion hysteria power subsystem 750 of represented multiple-voltage power supply apparatus is by utilizing the last up voltage Vx and the first output voltage V out1 to produce negative output voltage Vno, with response enable signal En among Fig. 9.
Figure 11 represents the structure according to the multiple-voltage power supply apparatus of another embodiment of the present invention.
With reference to Figure 11, multiple-voltage power supply apparatus 700 comprises decline type Switching power unit 710, first adjuster 720, lifting Switching power unit 730, positive output voltage generator 740 and charge pump conversion hysteria power subsystem 750.
The structure of decline type Switching power unit 710, first adjuster 720, positive output voltage generator 740 and charging rising type power subsystem 750 and operating principle are identical with content described in Fig. 7 and Fig. 8.
Yet, being different from multiple-voltage power supply apparatus represented among Fig. 7, it utilizes charge pump rising type power subsystem to increase input voltage vin, and represented multiple-voltage power supply apparatus utilizes lifting type Switching power unit 730 among Figure 11.
Figure 13 is a circuit diagram, the lifting Switching power unit 730 of represented multiple-voltage power supply apparatus according to the embodiment of the invention among expression Figure 11 and Figure 12.
With reference to Figure 13, lifting Switching power unit 730 comprises the 3rd inductance L 3, its first end loads input voltage vin, the 3rd switch Q3, its first end connects second end and its second end ground connection of the 3rd inductance L 3, the 7th capacitor C 7, its first end is commonly connected to second end of the 3rd inductance L 3 and first end of the 3rd switch Q3, the 8th capacitor C 8, its first end is connected in parallel to first end of the 7th capacitor C 7, the 9th resistance R 9, its first end is connected serially to second end of the 8th capacitor C 8 and second end that its second end is connected in parallel to the 7th capacitor C 7, the 7th diode D7, its first end is commonly connected to second end of the 7th capacitor C 7 and second end and its second end ground connection of the 9th resistance R 9, the 4th inductance L 4, its first end is commonly connected to second end and second end of the 9th resistance R 9 and the output node that its second end is connected to up voltage of the 7th capacitor C 7, the 4th feedback voltage generator 731, up voltage produces the 4th feedback voltage Vfb 4 by utilizing upward for it, and the 4th controller 732, it controls the On/Off of the 3rd switch to produce the 4th control signal by utilizing the 4th feedback voltage Vfb 4 to be used to.
Because lifting Switching power unit 730 can obtain stable last up voltage.
Figure 12 represents the structure according to the multiple-voltage power supply apparatus of another embodiment of the present invention.
With reference to Figure 12, be similar to multiple-voltage power supply apparatus represented among Figure 11, this multiple-voltage power supply apparatus 700 comprises decline type Switching power unit 710, first adjuster 720, lifting Switching power unit 730, positive output voltage generator 740 and charge pump conversion hysteria power subsystem 750.
The structure of decline type Switching power unit 710, first adjuster 720, lifting Switching power unit 730 and positive output voltage generator 740 is identical with foregoing with operating principle.
Yet, the charge pump conversion hysteria power subsystem that is different from multiple-voltage power supply apparatus represented among Figure 11, it uses the reference voltage Vint and the first output voltage V out1, the charge pump conversion hysteria power subsystem 750 of represented multiple-voltage power supply apparatus is by utilizing the last up voltage Vx and the first output voltage V out1 to produce negative output voltage Vno, with response enable signal En among Figure 12.
The foregoing description and advantage only do not limit the present invention for example.Description of the invention has explanatory, when not limiting the scope of the invention.All have in that identical invention spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.

Claims (30)

1.多重电压电源装置，其特征在于，该多重电压电源装置包括：1. The multi-voltage power supply device is characterized in that the multi-voltage power supply device comprises: 下降型切换电源单元，其利用输入电压Vin产生具有低于该输入电压的电平的参考电压Vint；a step-down switching power supply unit that utilizes an input voltage Vin to generate a reference voltage Vint having a level lower than the input voltage; 第一调节器，其通过调节该参考电压的电平产生第一输出电压Vout1；a first regulator, which generates a first output voltage Vout1 by adjusting the level of the reference voltage; 上升型切换电源单元，其通过增加该参考电压来产生上升电压Vx；a rising switching power supply unit, which generates a rising voltage Vx by increasing the reference voltage; 正输出电压产生器，其利用该上升电压来产生正输出电压Vpo和使能信号En；以及a positive output voltage generator that utilizes the boosted voltage to generate a positive output voltage Vpo and an enable signal En; and 充电泵转换型电源单元，其利用该上升电压和该第一输出电压来产生负输出电压Vno，以响应该使能信号。A charge pump switching power supply unit, which utilizes the boosted voltage and the first output voltage to generate a negative output voltage Vno in response to the enable signal. 2.如权利要求1所述的多重电压电源装置，其特征在于，下降型切换电源单元包括：2. The multi-voltage power supply device according to claim 1, wherein the step-down switching power supply unit comprises: 第一开关Q1，其第一端加载该输入电压；the first switch Q1, the first end of which is loaded with the input voltage; 第一二极管D1，其第一端连接至该第一开关的第二端，并且其第二端接地；a first diode D1, the first end of which is connected to the second end of the first switch, and the second end of which is grounded; 第一电感L1，其第一端公共连接至该第一开关的该第二端和该第一二极管的该第一端；a first inductor L1, the first end of which is commonly connected to the second end of the first switch and the first end of the first diode; 第一电容C1，其第一端连接至该第一电感的第二端并且其第二端接地；a first capacitor C1, the first end of which is connected to the second end of the first inductor and the second end of which is grounded; 第一反馈电压产生器，其利用该参考电压产生第一反馈电压Vfb1；以及a first feedback voltage generator, which uses the reference voltage to generate a first feedback voltage Vfb1; and 第一控制器，其利用该第一反馈电压来产生第一控制信号，用于控制该第一开关的开启/关闭。The first controller uses the first feedback voltage to generate a first control signal for controlling on/off of the first switch. 3.如权利要求2所述的多重电压电源装置，3. The multi-voltage power supply device as claimed in claim 2, 其特征在于，该第一反馈电压产生器包括：It is characterized in that the first feedback voltage generator includes: 第一电阻R1，其第一端连接至该参考电压的输出节点；以及a first resistor R1, the first terminal of which is connected to the output node of the reference voltage; and 第二电阻R2，其第一端连接至该第一电阻的第二端并且其第二端接地，以及a second resistor R2, the first end of which is connected to the second end of the first resistor and the second end of which is grounded, and 其中该第一反馈电压从该第一电阻和该第二电阻的公共节点输出。Wherein the first feedback voltage is output from the common node of the first resistor and the second resistor. 4.如权利要求1所述的多重电压电源装置，其特征在于，该上升型切换电源单元包括：4. The multi-voltage power supply device according to claim 1, wherein the step-up switching power supply unit comprises: 第二电感L2，其第一端加载该参考电压；The second inductor L2, the first end of which is loaded with the reference voltage; 第二开关Q2，其第一端连接至该第二电感的第二端，并且其第二端接地；a second switch Q2, the first end of which is connected to the second end of the second inductor, and the second end of which is grounded; 第二二极管D2，其第一端公共连接至该第二电感的该第二端和该第二开关的该第一端；a second diode D2, the first end of which is commonly connected to the second end of the second inductor and the first end of the second switch; 第二电容C2，其该第一端连接至该第二二极管的第二端，并且其第二端接地；a second capacitor C2, the first end of which is connected to the second end of the second diode, and the second end of which is grounded; 第二反馈电压产生器，其利用该上升电压来产生第二反馈电压Vfb2；以及a second feedback voltage generator, which utilizes the boosted voltage to generate a second feedback voltage Vfb2; and 第二控制器，其利用该第二反馈电压来产生第二控制信号，用于控制该第二开关的开启/关闭。The second controller uses the second feedback voltage to generate a second control signal for controlling on/off of the second switch. 5.如权利要求4所述的多重电压电源装置，5. The multi-voltage power supply device as claimed in claim 4, 其特征在于，该第二反馈电压产生器包括：It is characterized in that the second feedback voltage generator includes: 第三电阻R3，其第一端连接该上升电压的一输出节点；以及a third resistor R3, the first end of which is connected to an output node of the rising voltage; and 第四电阻R4，其第一端连接该第三电阻的第二端并且其第二端接地，以及A fourth resistor R4, whose first end is connected to the second end of the third resistor and whose second end is grounded, and 其中该第二反馈电压从该第三电阻和该第四电阻的公共节点输出。Wherein the second feedback voltage is output from the common node of the third resistor and the fourth resistor. 6.如权利要求1所述的多重电压电源装置，其特征在于，该充电泵转换型电源单元包括：6. The multi-voltage power supply device according to claim 1, wherein the charge pump switching power supply unit comprises: 驱动器，其在该上升电压和接地电压之间操作，并且其第一输入端加载该使能信号；a driver operating between the boosted voltage and ground voltage and having the enable signal applied to its first input; 第三电容C3，其第一端连接该驱动器的输出端；a third capacitor C3, the first end of which is connected to the output end of the driver; 第三二极管D3，其第一端连接该第三电容的第二端，并且其第二端接地；a third diode D3, the first end of which is connected to the second end of the third capacitor, and the second end of which is grounded; 第四二极管D4，其第一端公共连接至该第三电容的该第二端和该第三二极管的该第一端，并且其第二端连接至该负输出电压的一输出节点；A fourth diode D4, the first end of which is commonly connected to the second end of the third capacitor and the first end of the third diode, and its second end is connected to an output of the negative output voltage node; 第四电容C4，其第一端连接至该负输出电压的该输出节点，并且其第二端接地；a fourth capacitor C4, the first end of which is connected to the output node of the negative output voltage, and the second end of which is grounded; 第三反馈电压产生器(351)，其藉由利用该负输出电压Vno产生第三反馈电压Vfb3；以及a third feedback voltage generator (351), which generates a third feedback voltage Vfb3 by utilizing the negative output voltage Vno; and 第三控制器，其藉由利用该第三反馈电压产生第三控制信号，并将该第三控制信号供应至该驱动器的第二输入端。The third controller generates a third control signal by utilizing the third feedback voltage, and supplies the third control signal to the second input terminal of the driver. 7.如权利要求6所述的多重电压电源装置，7. The multi-voltage power supply device as claimed in claim 6, 其特征在于，该第三反馈电压产生器包括：It is characterized in that the third feedback voltage generator includes: 第五电阻R5，其第一端连接至该负输出电压的该输出节点；以及a fifth resistor R5, the first end of which is connected to the output node of the negative output voltage; and 第六电阻R6，其第一端连接至该第五电阻的第二端，并且其第二端连接至该第一输出电压，以及a sixth resistor R6, the first terminal of which is connected to the second terminal of the fifth resistor, and the second terminal of which is connected to the first output voltage, and 其中该第三反馈电压从该第五电阻和该第六电阻的公共节点输出。Wherein the third feedback voltage is output from the common node of the fifth resistor and the sixth resistor. 8.如权利要求1所述的多重电压电源装置，其特征在于，该第一调节器用于去除该参考电压的一切换噪声。8. The multi-voltage power supply device as claimed in claim 1, wherein the first regulator is used to remove a switching noise of the reference voltage. 9.如权利要求8所述的多重电压电源装置，其特征在于，包括至少一个第一调节器。9. The multiple voltage power supply device of claim 8, comprising at least one first regulator. 10.如权利要求8所述的多重电压电源装置，其特征在于，包括多个第一调节器。10. The multi-voltage power supply device as claimed in claim 8, comprising a plurality of first regulators. 11.如权利要求1所述的多重电压电源装置，11. The multiple voltage power supply device as claimed in claim 1, 其特征在于，该正输出电压产生器包括：It is characterized in that the positive output voltage generator includes: 第二调节器，其藉由利用该上升电压来产生该正输出电压；以及a second regulator that generates the positive output voltage by utilizing the boosted voltage; and 使能方块，其检测该正输出电压的产生以产生该使能信号，an enable block that detects the generation of the positive output voltage to generate the enable signal, 其中该使能方块去除该上升电压的一切换噪声。Wherein the enabling block removes a switching noise of the rising voltage. 12.如权利要求2所述的多重电压电源装置，其特征在于，该第一开关为双极晶体管或MOS晶体管。12. The multi-voltage power supply device as claimed in claim 2, wherein the first switch is a bipolar transistor or a MOS transistor. 13.如权利要求4所述的多重电压电源装置，其特征在于，该第二开关为双极晶体管或MOS晶体管。13. The multi-voltage power supply device as claimed in claim 4, wherein the second switch is a bipolar transistor or a MOS transistor. 14.多重电压电源装置，其特征在于，该多重电压电源装置包括：14. A multiple voltage power supply device, characterized in that the multiple voltage power supply device comprises: 下降型切换电源单元，其藉由利用输入电压Vin产生开关信号Sw和具有低于该输入电压的电平的参考电压Vint；a step-down switching power supply unit that generates a switching signal Sw and a reference voltage Vint having a level lower than the input voltage Vin by using an input voltage Vin; 第一调节器，其通过调节该参考电压的电平来产生第一输出电压Vout1；a first regulator, which generates a first output voltage Vout1 by adjusting the level of the reference voltage; 充电泵上升型电源单元，其藉由利用该开关信号和该输入电压来产生上升电压Vx；a charge pump rising type power supply unit that generates a rising voltage Vx by utilizing the switching signal and the input voltage; 正输出电压产生器，其藉由利用该上升电压来产生正输出电压Vpo和使能信号En；以及a positive output voltage generator that generates a positive output voltage Vpo and an enable signal En by utilizing the rising voltage; and 充电泵转换型电源单元，其藉由利用该输入电压和该第一输出电压来产生负输出电压Vno，以响应该使能信号。The charge pump switching power unit responds to the enable signal by utilizing the input voltage and the first output voltage to generate a negative output voltage Vno. 15.多重电压电源装置，其特征在于，该多重电压电源装置包括：15. A multiple voltage power supply device, characterized in that the multiple voltage power supply device comprises: 下降型切换电源单元，其藉由利用输入电压Vin来产生开关信号Sw和具有低于该输入电压的电平的参考电压Vint；a step-down switching power supply unit that generates a switching signal Sw and a reference voltage Vint having a level lower than the input voltage Vin by using the input voltage Vin; 第一调节器，其通过调节该参考电压的电平来产生第一输出电压Vout1；a first regulator, which generates a first output voltage Vout1 by adjusting the level of the reference voltage; 充电泵上升型电源单元，其藉由利用该开关信号和该输入电压来产生上升电压Vx；a charge pump rising type power supply unit that generates a rising voltage Vx by utilizing the switching signal and the input voltage; 正输出电压产生器，其藉由利用该上升电压来产生正输出电压Vpo和使能信号En；以及a positive output voltage generator that generates a positive output voltage Vpo and an enable signal En by utilizing the rising voltage; and 充电泵转换型电源单元，其藉由利用该上升电压和该第一输出电压来产生负输出电压Vno，以响应该使能信号。The charge pump switching power unit responds to the enable signal by utilizing the boosted voltage and the first output voltage to generate a negative output voltage Vno. 16.多重电压电源装置，其特征在于，该多重电压电源装置包括：16. A multiple voltage power supply device, characterized in that the multiple voltage power supply device comprises: 下降型切换电源单元，其藉由利用输入电压Vin来产生具有低于该输入电压的电平的参考电压Vint；a step-down switching power supply unit that generates a reference voltage Vint having a level lower than the input voltage Vin by using the input voltage Vin; 第一调节器，其通过调节该参考电压的电平来产生第一输出电压Vout1；a first regulator, which generates a first output voltage Vout1 by adjusting the level of the reference voltage; 升降切换电源单元，其藉由增加该输入电压来产生上升电压Vx；a lifting switching power supply unit, which generates a rising voltage Vx by increasing the input voltage; 正输出电压产生器，其藉由利用该上升电压来产生正输出电压Vpo和使能信号En；以及a positive output voltage generator that generates a positive output voltage Vpo and an enable signal En by utilizing the rising voltage; and 充电泵转换型电源单元，其藉由利用该输入电压和该第一输出电压来产生负输出电压Vno，以响应该使能信号。The charge pump switching power unit responds to the enable signal by utilizing the input voltage and the first output voltage to generate a negative output voltage Vno. 17.多重电压电源装置，其特征在于，该多重电压电源装置包括：17. A multiple voltage power supply device, characterized in that the multiple voltage power supply device comprises: 下降型切换电源单元，其藉由利用输入电压Vin来产生具有低于该输入电压的电平的参考电压Vint；a step-down switching power supply unit that generates a reference voltage Vint having a level lower than the input voltage Vin by using the input voltage Vin; 第一调节器，其通过调节该参考电压的电平来产生第一输出电压Vout1；a first regulator, which generates a first output voltage Vout1 by adjusting the level of the reference voltage; 升降切换电源单元，其藉由利用该输入电压来产生上升电压Vx；a lifting switching power supply unit, which generates a rising voltage Vx by utilizing the input voltage; 第二电压调节器，其藉由利用该上升电压来产生正输出电压Vpo和使能信号En；以及a second voltage regulator that generates a positive output voltage Vpo and an enable signal En by utilizing the boosted voltage; and 充电泵转换型电源单元，其藉由利用该输入电压和该第一输出电压来产生负输出电压Vno，以响应该使能信号。The charge pump switching power unit responds to the enable signal by utilizing the input voltage and the first output voltage to generate a negative output voltage Vno. 18.如权利要求14至17中任意一项所述的多重电压电源装置，其特征在于，该下降型切换电源单元包括：18. The multi-voltage power supply device according to any one of claims 14 to 17, wherein the step-down switching power supply unit comprises: 第一开关Q1，其第一端加载该输入电压；the first switch Q1, the first end of which is loaded with the input voltage; 第一二极管D1，其第一端连接至该第一开关的第二端并且其第二端接地；a first diode D1, the first end of which is connected to the second end of the first switch and the second end of which is grounded; 第一电感L1，其第一端公共连接至该第一开关的该第二端和该第一二极管的该第一端；a first inductor L1, the first end of which is commonly connected to the second end of the first switch and the first end of the first diode; 第一电容C1，其第一端连接至该第一电感的第二端并且其第二端接地；a first capacitor C1, the first end of which is connected to the second end of the first inductor and the second end of which is grounded; 第一反馈电压产生器，其藉由利用该参考电压来产生第一反馈电压Vfb1；以及a first feedback voltage generator, which generates a first feedback voltage Vfb1 by using the reference voltage; and 第一控制器，其藉由利用该第一反馈电压来产生用于控制该第一开关的开启/关闭的第一控制信号。The first controller generates a first control signal for controlling on/off of the first switch by utilizing the first feedback voltage. 19.如权利要求18所述的多重电压电源装置，其特征在于，该第一反馈电压产生器包括：19. The multi-voltage power supply device as claimed in claim 18, wherein the first feedback voltage generator comprises: 第一电阻R1，其第一端连接至该参考电压的输出节点；以及a first resistor R1, the first terminal of which is connected to the output node of the reference voltage; and 第二电阻R2，其第一端连接至该第一电阻的第二端并且其第二端接地，以及a second resistor R2, the first end of which is connected to the second end of the first resistor and the second end of which is grounded, and 其中该第一反馈电压从该第一电阻和该第二电阻的公共节点输出。Wherein the first feedback voltage is output from the common node of the first resistor and the second resistor. 20.如权利要求14或15所述的多重电压电源装置，20. The multiple voltage power supply device as claimed in claim 14 or 15, 其特征在于，该充电泵上升型电源单元包括：It is characterized in that the charge pump rising power supply unit includes: 第五二极管D5，其第一端连接至该输入电压；a fifth diode D5, the first end of which is connected to the input voltage; 第五电容C5，其第一端连接至该下降型切换电源单元的开关信号Sw并且其第二端连接至该第五二极管的第二端；A fifth capacitor C5, the first terminal of which is connected to the switching signal Sw of the drop-type switching power supply unit and the second terminal of which is connected to the second terminal of the fifth diode; 第六二极管D6，其第一端公共连接至该第五电容的该第二端和该第五二极管的该第二端；以及a sixth diode D6, the first end of which is commonly connected to the second end of the fifth capacitor and the second end of the fifth diode; and 第六电容C6，其第一端连接至该第六二极管的第二端并且其第二端接地，以及A sixth capacitor C6, whose first end is connected to the second end of the sixth diode and whose second end is grounded, and 其中该上升电压从该第六二极管的该第二端和该第六电容的该第一端的公共节点输出。Wherein the rising voltage is output from the common node of the second terminal of the sixth diode and the first terminal of the sixth capacitor. 21.如权利要求16或17所述的多重电压电源装置，其特征在于，该升降切换电源单元包括：21. The multi-voltage power supply device according to claim 16 or 17, wherein the up-down switching power supply unit comprises: 第三电感L3，其第一端加载该输入电压；The third inductor L3, the first end of which is loaded with the input voltage; 第三开关Q3，其第一端连接至该第三电感的第二端并且其第二端接地；a third switch Q3, the first terminal of which is connected to the second terminal of the third inductor and the second terminal of which is grounded; 第七电容C7，其第一端公共连接至该第三电感的该第二端和该第三开关的该第一端；a seventh capacitor C7, the first end of which is commonly connected to the second end of the third inductor and the first end of the third switch; 第八电容C8，其第一端并联至该第七电容的该第一端；An eighth capacitor C8, the first end of which is connected in parallel to the first end of the seventh capacitor; 第九电阻R9，其第一端串联至该第八电容的第二端，并且其第二端并联至该第七电容的一第二端；A ninth resistor R9, the first end of which is connected in series to the second end of the eighth capacitor, and the second end of which is connected in parallel to a second end of the seventh capacitor; 第七二极管D7，其第一端公共连接至该第七电容的该第二端和该第九电阻的该第二端并且其第二端接地；a seventh diode D7, the first terminal of which is commonly connected to the second terminal of the seventh capacitor and the second terminal of the ninth resistor and the second terminal of which is grounded; 第四电感L4，其第一端公共连接至该第七电容的该第二端和该第九电阻的该第二端，并且其第二端连接至该上升电压的输出节点，a fourth inductor L4, the first terminal of which is commonly connected to the second terminal of the seventh capacitor and the second terminal of the ninth resistor, and the second terminal of which is connected to the output node of the boosted voltage, 第四反馈电压产生器(731)，其藉由利用该上升电压来产生一第四反馈电压Vfb4；以及a fourth feedback voltage generator (731), which generates a fourth feedback voltage Vfb4 by utilizing the rising voltage; and 第四控制器，其藉由利用该第四反馈电压来产生用于控制该第三开关开启/关闭的一第四控制信号。The fourth controller generates a fourth control signal for controlling on/off of the third switch by using the fourth feedback voltage. 22.如权利要求21所述的多重电压电源装置，其特征在于，该第四反馈电压Vfb4包括：22. The multi-voltage power supply device according to claim 21, wherein the fourth feedback voltage Vfb4 comprises: 第七电阻R7，其第一端连接至该上升电压的输出节点；以及a seventh resistor R7, the first end of which is connected to the output node of the rising voltage; and 第八电阻R8，其第一端连接至该第七电阻的第二端，并且其第二端接地，以及An eighth resistor R8, the first end of which is connected to the second end of the seventh resistor, and the second end of which is grounded, and 其中该第四反馈电压从该第七电阻和该第八电阻的公共节点来输出。Wherein the fourth feedback voltage is output from the common node of the seventh resistor and the eighth resistor. 23.如权利要求14或16所述的多重电压电源装置，其特征在于，该充电泵转换型电源单元包括：23. The multi-voltage power supply device according to claim 14 or 16, wherein the charge pump switching power supply unit comprises: 驱动器，其在该输入电压和接地电压之间操作，并且其第一输入端加载该使能信号；a driver operating between the input voltage and a ground voltage and having the enable signal applied to its first input; 第三电容C3，其第一端连接至该驱动器的输出端；a third capacitor C3, the first terminal of which is connected to the output terminal of the driver; 第三二极管D3，其第一端连接至该第三电容的第二端并且其第二端接地；a third diode D3, the first end of which is connected to the second end of the third capacitor and the second end of which is grounded; 第四二极管D4，其第一端公共连接至该第三电容的该第二端和该第三二极管的该第一端并且其第二端连接至该负输出电压的输出节点；a fourth diode D4, the first terminal of which is commonly connected to the second terminal of the third capacitor and the first terminal of the third diode and the second terminal of which is connected to the output node of the negative output voltage; 第四电容C4，其第一端连接至该负输出电压的该输出节点并且该第二端接地；a fourth capacitor C4, the first end of which is connected to the output node of the negative output voltage and the second end is grounded; 第三反馈电压产生器，其藉由利用该负输出电压Vno来产生第三反馈电压Vfb3；以及a third feedback voltage generator, which generates a third feedback voltage Vfb3 by using the negative output voltage Vno; and 第三控制器，其藉由利用该第三反馈电压来产生第三控制信号，并将该第三控制信号加载至该驱动器的第二输入端。The third controller generates a third control signal by using the third feedback voltage, and loads the third control signal to the second input terminal of the driver. 24.如权利要求23所述的多重电压电源装置，其特征在于，该第三反馈电压产生器包括：24. The multi-voltage power supply device as claimed in claim 23, wherein the third feedback voltage generator comprises: 第五电阻R5，其第一端连接至该负输出电压的该输出节点；以及a fifth resistor R5, the first end of which is connected to the output node of the negative output voltage; and 第六电阻R6，其第一端连接至该第五电阻的第二端并且其第二端连接至该第一输出电压，以及a sixth resistor R6, the first terminal of which is connected to the second terminal of the fifth resistor and the second terminal of which is connected to the first output voltage, and 其中该第三反馈电压从该第五电阻和该第六电阻的公共节点输出。Wherein the third feedback voltage is output from the common node of the fifth resistor and the sixth resistor. 25.如权利要求15或17所述的多重电压电源装置，其特征在于，该充电泵转换型电压单元，包括：25. The multi-voltage power supply device according to claim 15 or 17, wherein the charge pump switching voltage unit comprises: 驱动器，其在该上升电压和接地电压之间操作，并且其第一输入端加载该使能信号；a driver operating between the boosted voltage and ground voltage and having the enable signal applied to its first input; 第三电容C3，其第一端连接至该驱动器的输出端；a third capacitor C3, the first terminal of which is connected to the output terminal of the driver; 第三二极管D3，其第一端连接至该第三电容的第二端并且其第二端接地；a third diode D3, the first end of which is connected to the second end of the third capacitor and the second end of which is grounded; 第四二极管D4，其第一端公共连接至该第三电容的该第二端和该第三二极管的该第一端，并且其第二端连接至该负输出电压的一输出节点；A fourth diode D4, the first end of which is commonly connected to the second end of the third capacitor and the first end of the third diode, and its second end is connected to an output of the negative output voltage node; 第四电容C4，其第一端连接至该负输出电压的该输出节点并且其第二端接地；a fourth capacitor C4, the first end of which is connected to the output node of the negative output voltage and the second end of which is grounded; 第三反馈电压产生器，其藉由利用该负输出电压Vno来产生第三反馈电压Vfb3；以及a third feedback voltage generator, which generates a third feedback voltage Vfb3 by utilizing the negative output voltage Vno; and 第三控制器，其藉由利用该第三反馈电压来产生第三控制信号，并将该第三控制信号加载至该驱动器的第二输入端。The third controller generates a third control signal by using the third feedback voltage, and loads the third control signal to the second input terminal of the driver. 26.如权利要求25所述的多重电压电源装置，其特征在于，该第三反馈电压产生器包括：26. The multi-voltage power supply device as claimed in claim 25, wherein the third feedback voltage generator comprises: 第五电阻R5，其第一端连接至该负输出电压的该输出节点；以及a fifth resistor R5, the first end of which is connected to the output node of the negative output voltage; and 第六电阻R6，其第一端连接至该第五电阻的第二端并且其第二端连接至该第一输出电压；以及a sixth resistor R6, the first terminal of which is connected to the second terminal of the fifth resistor and the second terminal of which is connected to the first output voltage; and 其中该第三反馈电压从该第五电阻和该第六电阻的公共节点输出。Wherein the third feedback voltage is output from the common node of the fifth resistor and the sixth resistor. 27.如权利要求14至17中任意一项所述的多重电压电源装置，其特征在于，至少一个第一调节器去除该参考电压的切换噪声。27. The multiple voltage power supply device according to any one of claims 14 to 17, wherein at least one first regulator removes switching noise of the reference voltage. 28.如权利要求14至17中任意一项所述的多重电压电源装置，其特征在于，多个第一调节器去除该参考电压的切换噪声。28. The multi-voltage power supply device according to any one of claims 14-17, wherein a plurality of first regulators remove switching noise of the reference voltage. 29.如权利要求14至17中任意一项所述的多重电压电源装置，其特征在于，该正输出电压产生器包括：29. The multiple voltage power supply device according to any one of claims 14 to 17, wherein the positive output voltage generator comprises: 第二调节器，其藉由利用该上升电压来产生该正输出电压；以及a second regulator that generates the positive output voltage by utilizing the boosted voltage; and 使能方块，其检测该正输出电压的产生以产生该使能信号，an enable block that detects the generation of the positive output voltage to generate the enable signal, 其中该使能方块去除该上升电压的切换噪声。Wherein the enabling block removes the switching noise of the rising voltage. 30.如权利要求18所述的多重电压电源装置，其特征在于，该第一开关为双极晶体管或MOS晶体管。30. The multi-voltage power supply device as claimed in claim 18, wherein the first switch is a bipolar transistor or a MOS transistor.
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