TWI431881B - Voltage regulator - Google Patents

Voltage regulator Download PDF

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Publication number
TWI431881B
TWI431881B TW098104196A TW98104196A TWI431881B TW I431881 B TWI431881 B TW I431881B TW 098104196 A TW098104196 A TW 098104196A TW 98104196 A TW98104196 A TW 98104196A TW I431881 B TWI431881 B TW I431881B
Authority
TW
Taiwan
Prior art keywords
voltage
output
circuit
current
transistor
Prior art date
Application number
TW098104196A
Other languages
English (en)
Chinese (zh)
Other versions
TW200941878A (en
Inventor
Takashi Imura
Takao Nakashimo
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 TW200941878A publication Critical patent/TW200941878A/zh
Application granted granted Critical
Publication of TWI431881B publication Critical patent/TWI431881B/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
    • G05F1/565—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/569—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
    • 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
    • G05F1/565—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
    • G05F1/569—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
    • G05F1/573—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
    • 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

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)
TW098104196A 2008-02-15 2009-02-10 Voltage regulator TWI431881B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008034204A JP5099505B2 (ja) 2008-02-15 2008-02-15 ボルテージレギュレータ

Publications (2)

Publication Number Publication Date
TW200941878A TW200941878A (en) 2009-10-01
TWI431881B true TWI431881B (zh) 2014-03-21

Family

ID=40954497

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098104196A TWI431881B (zh) 2008-02-15 2009-02-10 Voltage regulator

Country Status (5)

Country Link
US (1) US8004257B2 (enExample)
JP (1) JP5099505B2 (enExample)
KR (1) KR101415428B1 (enExample)
CN (1) CN101567628B (enExample)
TW (1) TWI431881B (enExample)

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JP5691158B2 (ja) * 2009-11-13 2015-04-01 ミツミ電機株式会社 出力電流検出回路および送信回路
TWI398747B (zh) * 2010-07-16 2013-06-11 Richpower Microelectronics 功率級控制電路
JP5516320B2 (ja) * 2010-10-21 2014-06-11 ミツミ電機株式会社 レギュレータ用半導体集積回路
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JP5670773B2 (ja) * 2011-02-01 2015-02-18 セイコーインスツル株式会社 ボルテージレギュレータ
JP2012203673A (ja) * 2011-03-25 2012-10-22 Seiko Instruments Inc ボルテージレギュレータ
JP5823717B2 (ja) * 2011-03-30 2015-11-25 セイコーインスツル株式会社 ボルテージレギュレータ
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
US8687333B2 (en) * 2011-06-16 2014-04-01 Hamilton Sundstrand Corporation Overcurrent limiting for high side solenoid switch controls
TWI439839B (zh) * 2011-08-22 2014-06-01 Sonix Technology Co Ltd 電壓穩壓裝置
JP5867012B2 (ja) * 2011-11-24 2016-02-24 株式会社ソシオネクスト 定電圧回路
US9939827B1 (en) * 2011-12-16 2018-04-10 Altera Corporation Temperature dependent power supply circuitry
JP5950591B2 (ja) * 2012-01-31 2016-07-13 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
JP2013190932A (ja) * 2012-03-13 2013-09-26 Seiko Instruments Inc ボルテージレギュレータ
US8773096B2 (en) 2012-03-29 2014-07-08 Integrated Device Technology, Inc. Apparatuses and methods responsive to output variations in voltage regulators
JP6030879B2 (ja) * 2012-07-26 2016-11-24 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
US8742819B2 (en) * 2012-09-25 2014-06-03 Texas Instruments Incorporated Current limiting circuitry and method for pass elements and output stages
JP6168793B2 (ja) * 2013-03-04 2017-07-26 エスアイアイ・セミコンダクタ株式会社 スイッチングレギュレータ及び電子機器
JP6205142B2 (ja) * 2013-03-08 2017-09-27 エスアイアイ・セミコンダクタ株式会社 定電圧回路
US20140266290A1 (en) * 2013-03-14 2014-09-18 Bhavin Odedara Process detection circuit
JP6180815B2 (ja) * 2013-06-21 2017-08-16 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
JP6170354B2 (ja) * 2013-06-25 2017-07-26 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
JP6342240B2 (ja) * 2013-08-26 2018-06-13 エイブリック株式会社 ボルテージレギュレータ
TWI479292B (zh) * 2013-10-09 2015-04-01 Holtek Semiconductor Inc 電壓穩壓電路及其方法
JP6211887B2 (ja) * 2013-10-15 2017-10-11 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
JP6219180B2 (ja) * 2014-01-27 2017-10-25 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
CN104238613B (zh) * 2014-09-01 2015-10-28 东南大学 一种数字电路低压差线性稳压器
CN104536507B (zh) * 2014-12-05 2016-08-24 芯原微电子(上海)有限公司 折返式限流电路及具有该折返式限流电路的线性稳压源
ITUB20150969A1 (it) * 2015-05-28 2016-11-28 Sk Hynix Inc Regolatore con migliorato Slew Rate
JP6630557B2 (ja) * 2015-12-07 2020-01-15 エイブリック株式会社 ボルテージレギュレータ
WO2017209067A1 (ja) * 2016-06-02 2017-12-07 日本ゼオン株式会社 環境発電装置及び電流制御回路
JP6610446B2 (ja) * 2016-06-21 2019-11-27 株式会社オートネットワーク技術研究所 給電制御装置
JP6784918B2 (ja) * 2016-09-30 2020-11-18 ミツミ電機株式会社 レギュレータ用半導体集積回路
CN110058631B (zh) * 2018-01-18 2022-07-29 恩智浦美国有限公司 具有前馈电路的电压调节器
JP7008523B2 (ja) * 2018-02-05 2022-01-25 エイブリック株式会社 過電流制限回路、過電流制限方法及び電源回路
US10317921B1 (en) * 2018-04-13 2019-06-11 Nxp Usa, Inc. Effective clamping in power supplies
CN108776502B (zh) * 2018-06-26 2020-08-04 南京微盟电子有限公司 一种ldo线性稳压器的防倒灌保护电路
TWI684091B (zh) * 2019-01-31 2020-02-01 晶豪科技股份有限公司 限流器
CN109831092A (zh) * 2019-02-28 2019-05-31 杭州芯声智能科技有限公司 一种限流电路
CN112015220B (zh) * 2019-05-29 2022-02-11 晶豪科技股份有限公司 限流器
CN113126690A (zh) 2019-12-31 2021-07-16 圣邦微电子（北京）股份有限公司 一种低压差线性稳压器及其控制电路
CN113495592A (zh) * 2020-04-07 2021-10-12 炬芯科技股份有限公司 用于ldo的短路电流保护装置和方法、ldo
CN111522385B (zh) * 2020-06-23 2022-02-01 上海安路信息科技股份有限公司 Pmos输出功率管的低压差稳压器
CN112099560A (zh) * 2020-09-25 2020-12-18 上海华虹宏力半导体制造有限公司 线性稳压器
CN112486236B (zh) * 2020-12-11 2022-07-22 思瑞浦微电子科技（苏州）股份有限公司 基于快速短路保护的低压差线性稳压器
US11621686B2 (en) * 2021-01-26 2023-04-04 Infineon Technologies Ag Gray zone prevention circuit with indirect signal monitoring
CN113300325B (zh) * 2021-06-30 2025-10-28 上海挚达科技发展有限公司 充电桩过温保护电路及方法
US20240231403A1 (en) * 2023-01-09 2024-07-11 Texas Instruments Incorporated Adaptive current limit circuit

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JPH0774976B2 (ja) * 1989-01-18 1995-08-09 セイコー電子工業株式会社 電圧制御回路
JP2000353019A (ja) * 1999-06-10 2000-12-19 Canon Inc 電源装置
JP3558959B2 (ja) * 2000-05-25 2004-08-25 シャープ株式会社 温度検出回路およびそれを用いる液晶駆動装置
EP1727264A4 (en) * 2004-03-15 2009-05-06 Rohm Co Ltd POWER SUPPLY DEVICE
JP2007164270A (ja) * 2005-12-09 2007-06-28 Rohm Co Ltd 電源装置及びこれを備えた電気機器
JP4827565B2 (ja) * 2006-03-15 2011-11-30 株式会社リコー 半導体装置および該半導体装置を組み込んだ電子機器
JP4869839B2 (ja) * 2006-08-31 2012-02-08 株式会社リコー ボルテージレギュレータ

Also Published As

Publication number Publication date
CN101567628A (zh) 2009-10-28
KR101415428B1 (ko) 2014-07-04
JP5099505B2 (ja) 2012-12-19
KR20090088807A (ko) 2009-08-20
CN101567628B (zh) 2013-05-29
TW200941878A (en) 2009-10-01
US8004257B2 (en) 2011-08-23
US20090206807A1 (en) 2009-08-20
JP2009193414A (ja) 2009-08-27

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MM4A Annulment or lapse of patent due to non-payment of fees