TW200604774A - Voltage regulator - Google Patents

Voltage regulator

Info

Publication number
TW200604774A
TW200604774A TW094101884A TW94101884A TW200604774A TW 200604774 A TW200604774 A TW 200604774A TW 094101884 A TW094101884 A TW 094101884A TW 94101884 A TW94101884 A TW 94101884A TW 200604774 A TW200604774 A TW 200604774A
Authority
TW
Taiwan
Prior art keywords
voltage regulator
output
mos transistor
transistor
drain
Prior art date
Application number
TW094101884A
Other languages
English (en)
Other versions
TWI342992B (en
Inventor
Yoshihide Kanakubo
Original Assignee
Seiko Instr Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seiko Instr Inc filed Critical Seiko Instr Inc
Publication of TW200604774A publication Critical patent/TW200604774A/zh
Application granted granted Critical
Publication of TWI342992B publication Critical patent/TWI342992B/zh

Links

Classifications

    • 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
    • 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)
  • Continuous-Control Power Sources That Use Transistors (AREA)
TW094101884A 2004-01-28 2005-01-21 Voltage regulator TWI342992B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004020394A JP4421909B2 (ja) 2004-01-28 2004-01-28 ボルテージレギュレータ

Publications (2)

Publication Number Publication Date
TW200604774A true TW200604774A (en) 2006-02-01
TWI342992B TWI342992B (en) 2011-06-01

Family

ID=34792608

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094101884A TWI342992B (en) 2004-01-28 2005-01-21 Voltage regulator

Country Status (5)

Country Link
US (1) US7068018B2 (zh)
JP (1) JP4421909B2 (zh)
KR (1) KR100967261B1 (zh)
CN (1) CN100498634C (zh)
TW (1) TWI342992B (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI408525B (zh) * 2006-04-14 2013-09-11 Semiconductor Components Ind 線性調節器及其方法
TWI456369B (zh) * 2008-05-29 2014-10-11 Seiko Instr Inc 電壓調整器

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006318327A (ja) * 2005-05-16 2006-11-24 Fuji Electric Device Technology Co Ltd 差動増幅回路およびシリーズレギュレータ
TWI319929B (en) * 2006-11-03 2010-01-21 Dc-dc converting circuit
KR101514459B1 (ko) 2007-11-09 2015-04-22 세이코 인스트루 가부시키가이샤 볼티지 레귤레이터
JP2009134698A (ja) * 2007-11-09 2009-06-18 Seiko Instruments Inc ボルテージレギュレータ
CN101581947B (zh) * 2008-05-16 2013-01-23 株式会社理光 稳压器
TWI396957B (zh) * 2008-05-30 2013-05-21 Asustek Comp Inc 變頻多相位電壓調節器及其控制方法
JP5160317B2 (ja) * 2008-06-09 2013-03-13 セイコーインスツル株式会社 ボルテージレギュレータ
US8952674B2 (en) * 2012-06-29 2015-02-10 Siemens Energy, Inc. Voltage regulator circuitry operable in a high temperature environment of a turbine engine
JP5280176B2 (ja) * 2008-12-11 2013-09-04 ルネサスエレクトロニクス株式会社 ボルテージレギュレータ
JP5331508B2 (ja) 2009-02-20 2013-10-30 セイコーインスツル株式会社 ボルテージレギュレータ
JP5580608B2 (ja) * 2009-02-23 2014-08-27 セイコーインスツル株式会社 ボルテージレギュレータ
CN101714007B (zh) * 2009-11-11 2011-11-16 钰创科技股份有限公司 一种对于临界电压变异有免疫效果的电流源及其产生方法
TWI416298B (zh) * 2010-12-29 2013-11-21 Hon Hai Prec Ind Co Ltd 電壓調節電路及具有該電壓調節電路的電源適配器
JP5676340B2 (ja) * 2011-03-30 2015-02-25 セイコーインスツル株式会社 ボルテージレギュレータ
JP6038516B2 (ja) * 2011-09-15 2016-12-07 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
CN103890681B (zh) * 2011-10-01 2015-12-16 英特尔公司 电压调节器、电子设备及为电子设备供电的方法
CN102510635B (zh) * 2011-11-15 2015-03-04 韦挽澜 一种照明led恒流源ic
JP5977963B2 (ja) * 2012-03-08 2016-08-24 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
US9213382B2 (en) * 2012-09-12 2015-12-15 Intel Corporation Linear voltage regulator based on-die grid
JP6083269B2 (ja) * 2013-03-18 2017-02-22 株式会社ソシオネクスト 電源回路及び半導体装置
JP6316632B2 (ja) * 2014-03-25 2018-04-25 エイブリック株式会社 ボルテージレギュレータ
CN104950974B (zh) 2015-06-30 2017-05-31 华为技术有限公司 低压差线性稳压器与增加其稳定性的方法及锁相环
JP6624979B2 (ja) * 2016-03-15 2019-12-25 エイブリック株式会社 ボルテージレギュレータ
JP6884472B2 (ja) * 2017-08-10 2021-06-09 エイブリック株式会社 ボルテージレギュレータ
US10671105B2 (en) * 2018-03-06 2020-06-02 Texas Instruments Incorporated Multi-input voltage regulator
JP7199330B2 (ja) * 2019-09-19 2023-01-05 株式会社東芝 レギュレータ回路
US11157028B1 (en) * 2020-11-17 2021-10-26 Centaur Technology, Inc. Fast precision droop detector

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343122A (en) * 1989-07-27 1994-08-30 Ken Hayashibara Luminaire using incandescent lamp as luminous source
JP3020235B2 (ja) * 1991-10-25 2000-03-15 日本電信電話株式会社 半導体定電圧発生回路
US5852359A (en) * 1995-09-29 1998-12-22 Stmicroelectronics, Inc. Voltage regulator with load pole stabilization
DE69732695D1 (de) 1997-07-14 2005-04-14 St Microelectronics Srl Linearer Spannungsregler mit geringem Stromverbrauch und schnellem Ansprechen auf die Lasttransienten
FR2783942B1 (fr) * 1998-09-30 2004-02-13 St Microelectronics Sa Dispositif de regulation de tension
EP1065580B1 (en) 1999-06-30 2003-11-12 STMicroelectronics S.r.l. Voltage regulating circuit for a capacitive load
US6377033B2 (en) * 2000-08-07 2002-04-23 Asustek Computer Inc. Linear regulator capable of sinking current
US6246221B1 (en) 2000-09-20 2001-06-12 Texas Instruments Incorporated PMOS low drop-out voltage regulator using non-inverting variable gain stage
US6441594B1 (en) * 2001-04-27 2002-08-27 Motorola Inc. Low power voltage regulator with improved on-chip noise isolation
US6459246B1 (en) * 2001-06-13 2002-10-01 Marvell International, Ltd. Voltage regulator
US6465994B1 (en) * 2002-03-27 2002-10-15 Texas Instruments Incorporated Low dropout voltage regulator with variable bandwidth based on load current
JP3983612B2 (ja) * 2002-07-08 2007-09-26 ローム株式会社 電流制限機能付き安定化電源装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI408525B (zh) * 2006-04-14 2013-09-11 Semiconductor Components Ind 線性調節器及其方法
TWI456369B (zh) * 2008-05-29 2014-10-11 Seiko Instr Inc 電壓調整器

Also Published As

Publication number Publication date
US7068018B2 (en) 2006-06-27
TWI342992B (en) 2011-06-01
CN1667538A (zh) 2005-09-14
KR100967261B1 (ko) 2010-07-01
JP2005215897A (ja) 2005-08-11
CN100498634C (zh) 2009-06-10
US20050162141A1 (en) 2005-07-28
JP4421909B2 (ja) 2010-02-24
KR20050077804A (ko) 2005-08-03

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