CN101261525B - 稳压电路及其动作控制方法 - Google Patents
稳压电路及其动作控制方法 Download PDFInfo
- Publication number
- CN101261525B CN101261525B CN2008100833062A CN200810083306A CN101261525B CN 101261525 B CN101261525 B CN 101261525B CN 2008100833062 A CN2008100833062 A CN 2008100833062A CN 200810083306 A CN200810083306 A CN 200810083306A CN 101261525 B CN101261525 B CN 101261525B
- Authority
- CN
- China
- Prior art keywords
- output
- voltage
- current
- mentioned
- error amplifying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/575—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices characterised by the feedback circuit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nonlinear Science (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007057219 | 2007-03-07 | ||
JP2007057219A JP2008217677A (ja) | 2007-03-07 | 2007-03-07 | 定電圧回路及びその動作制御方法 |
JP2007-057219 | 2007-03-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101261525A CN101261525A (zh) | 2008-09-10 |
CN101261525B true CN101261525B (zh) | 2011-01-26 |
Family
ID=39740980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100833062A Expired - Fee Related CN101261525B (zh) | 2007-03-07 | 2008-03-06 | 稳压电路及其动作控制方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8129966B2 (zh) |
JP (1) | JP2008217677A (zh) |
KR (1) | KR100991699B1 (zh) |
CN (1) | CN101261525B (zh) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5407510B2 (ja) | 2008-08-29 | 2014-02-05 | 株式会社リコー | 定電圧回路装置 |
JP5444869B2 (ja) | 2009-06-19 | 2014-03-19 | ミツミ電機株式会社 | 出力装置 |
EP2533126B1 (en) * | 2011-05-25 | 2020-07-08 | Dialog Semiconductor GmbH | A low drop-out voltage regulator with dynamic voltage control |
JP5715525B2 (ja) * | 2011-08-05 | 2015-05-07 | セイコーインスツル株式会社 | ボルテージレギュレータ |
CN102393778B (zh) * | 2011-08-30 | 2014-03-26 | 四川和芯微电子股份有限公司 | 低压差线性稳压电路及系统 |
CN102393781A (zh) * | 2011-12-06 | 2012-03-28 | 四川和芯微电子股份有限公司 | 低压差线性稳压电路及系统 |
US8536934B1 (en) * | 2012-02-23 | 2013-09-17 | Texas Instruments Incorporated | Linear voltage regulator generating sub-reference output voltages |
WO2013147806A1 (en) * | 2012-03-29 | 2013-10-03 | Integrated Device Technology, Inc. | Apparatuses and methods responsive to output variations in voltage regulators |
US8773096B2 (en) | 2012-03-29 | 2014-07-08 | Integrated Device Technology, Inc. | Apparatuses and methods responsive to output variations in voltage regulators |
CN102830742B (zh) * | 2012-09-14 | 2014-01-15 | 邹磊 | 一种低压差线性稳压器 |
JP6261343B2 (ja) * | 2013-03-06 | 2018-01-17 | エスアイアイ・セミコンダクタ株式会社 | ボルテージレギュレータ |
US9590501B2 (en) * | 2013-04-25 | 2017-03-07 | Fairchild Semiconductor Corporation | Fast load transient response power supply system using dynamic reference generation |
EP2857923B1 (en) * | 2013-10-07 | 2020-04-29 | Dialog Semiconductor GmbH | An apparatus and method for a voltage regulator with improved output voltage regulated loop biasing |
KR102204678B1 (ko) * | 2014-12-11 | 2021-01-20 | 삼성전자주식회사 | 인버터 증폭기 기반의 이중 루프 레귤레이터 및 그에 따른 전압 레귤레이팅 방법 |
US9971370B2 (en) | 2015-10-19 | 2018-05-15 | Novatek Microelectronics Corp. | Voltage regulator with regulated-biased current amplifier |
CN107102667A (zh) * | 2016-02-22 | 2017-08-29 | 联发科技(新加坡)私人有限公司 | 低压差线性稳压器 |
US20170242449A1 (en) * | 2016-02-22 | 2017-08-24 | Mediatek Singapore Pte. Ltd. | Low-dropout linear regulator |
CN107193313B (zh) * | 2016-03-15 | 2019-08-09 | 瑞昱半导体股份有限公司 | 稳压器 |
US10614766B2 (en) * | 2016-05-19 | 2020-04-07 | Novatek Microelectronics Corp. | Voltage regulator and method applied thereto |
EP3467611B1 (en) * | 2016-06-02 | 2023-10-25 | Zeon Corporation | Energy harvesting apparatus and current control circuit |
US11009900B2 (en) * | 2017-01-07 | 2021-05-18 | Texas Instruments Incorporated | Method and circuitry for compensating low dropout regulators |
US10256623B2 (en) * | 2017-08-21 | 2019-04-09 | Rohm Co., Ltd. | Power control device |
JP7173915B2 (ja) * | 2019-03-28 | 2022-11-16 | ラピスセミコンダクタ株式会社 | 電源回路 |
US11531361B2 (en) * | 2020-04-02 | 2022-12-20 | Texas Instruments Incorporated | Current-mode feedforward ripple cancellation |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5336986A (en) * | 1992-02-07 | 1994-08-09 | Crosspoint Solutions, Inc. | Voltage regulator for field programmable gate arrays |
JP2002312043A (ja) * | 2001-04-10 | 2002-10-25 | Ricoh Co Ltd | ボルテージレギュレータ |
US6541946B1 (en) * | 2002-03-19 | 2003-04-01 | Texas Instruments Incorporated | Low dropout voltage regulator with improved power supply rejection ratio |
US6703816B2 (en) * | 2002-03-25 | 2004-03-09 | Texas Instruments Incorporated | Composite loop compensation for low drop-out regulator |
US6703815B2 (en) * | 2002-05-20 | 2004-03-09 | Texas Instruments Incorporated | Low drop-out regulator having current feedback amplifier and composite feedback loop |
US6465994B1 (en) * | 2002-03-27 | 2002-10-15 | Texas Instruments Incorporated | Low dropout voltage regulator with variable bandwidth based on load current |
US7215180B2 (en) * | 2003-08-07 | 2007-05-08 | Ricoh Company, Ltd. | Constant voltage circuit |
JP2005190381A (ja) | 2003-12-26 | 2005-07-14 | Ricoh Co Ltd | 定電圧電源 |
US7368896B2 (en) * | 2004-03-29 | 2008-05-06 | Ricoh Company, Ltd. | Voltage regulator with plural error amplifiers |
JP4688528B2 (ja) | 2004-05-10 | 2011-05-25 | 株式会社リコー | 定電圧回路 |
JP4658623B2 (ja) | 2005-01-20 | 2011-03-23 | ローム株式会社 | 定電流回路、それを用いた電源装置および発光装置 |
JP4523473B2 (ja) * | 2005-04-04 | 2010-08-11 | 株式会社リコー | 定電圧回路 |
JP4546320B2 (ja) * | 2005-04-19 | 2010-09-15 | 株式会社リコー | 定電圧電源回路及び定電圧電源回路の制御方法 |
JP4823586B2 (ja) | 2005-06-28 | 2011-11-24 | Hoya株式会社 | レギュレータ回路 |
JP4774247B2 (ja) | 2005-07-21 | 2011-09-14 | Okiセミコンダクタ株式会社 | 電圧レギュレータ |
JP2007323114A (ja) * | 2006-05-30 | 2007-12-13 | Oki Electric Ind Co Ltd | レギュレータ回路 |
-
2007
- 2007-03-07 JP JP2007057219A patent/JP2008217677A/ja not_active Withdrawn
-
2008
- 2008-02-29 KR KR1020080018733A patent/KR100991699B1/ko not_active IP Right Cessation
- 2008-03-04 US US12/041,812 patent/US8129966B2/en not_active Expired - Fee Related
- 2008-03-06 CN CN2008100833062A patent/CN101261525B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101261525A (zh) | 2008-09-10 |
JP2008217677A (ja) | 2008-09-18 |
KR20080082460A (ko) | 2008-09-11 |
KR100991699B1 (ko) | 2010-11-04 |
US8129966B2 (en) | 2012-03-06 |
US20080218139A1 (en) | 2008-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RICOH MICROELECTRONICS CO., LTD. Free format text: FORMER OWNER: RICOH CO. LTD. Effective date: 20150409 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150409 Address after: Osaka Patentee after: Ricoh Microelectronics Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Ricoh Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20150306 |
|
EXPY | Termination of patent right or utility model |