JP2011048709A5 - - Google Patents

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Publication number
JP2011048709A5
JP2011048709A5 JP2009197541A JP2009197541A JP2011048709A5 JP 2011048709 A5 JP2011048709 A5 JP 2011048709A5 JP 2009197541 A JP2009197541 A JP 2009197541A JP 2009197541 A JP2009197541 A JP 2009197541A JP 2011048709 A5 JP2011048709 A5 JP 2011048709A5
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JP
Japan
Prior art keywords
internal power
power supply
supply voltage
current
generation unit
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.)
Granted
Application number
JP2009197541A
Other languages
English (en)
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JP2011048709A (ja
JP5361614B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2009197541A priority Critical patent/JP5361614B2/ja
Priority claimed from JP2009197541A external-priority patent/JP5361614B2/ja
Priority to US12/839,033 priority patent/US8258859B2/en
Priority to CN201010243284.9A priority patent/CN102004512B/zh
Publication of JP2011048709A publication Critical patent/JP2011048709A/ja
Publication of JP2011048709A5 publication Critical patent/JP2011048709A5/ja
Priority to US13/569,247 priority patent/US8570098B2/en
Application granted granted Critical
Publication of JP5361614B2 publication Critical patent/JP5361614B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (1)

  1. 基準電圧に応じて、外部電源電圧から、前記外部電源電圧よりも低い内部電源電圧に降圧する内部電源発生部と、
    前記内部電源電圧が設定電圧以下である場合、前記内部電源発生部の電流を制御する第１の電流制御部と、
    前記内部電源電圧が前記設定電圧を超える場合、前記内部電源発生部の電流を制御する第２の電流制御部と
    を具備する降圧回路。
JP2009197541A 2009-08-28 2009-08-28 降圧回路 Expired - Fee Related JP5361614B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009197541A JP5361614B2 (ja) 2009-08-28 2009-08-28 降圧回路
US12/839,033 US8258859B2 (en) 2009-08-28 2010-07-19 Voltage reducing circuit
CN201010243284.9A CN102004512B (zh) 2009-08-28 2010-07-30 降压电路
US13/569,247 US8570098B2 (en) 2009-08-28 2012-08-08 Voltage reducing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009197541A JP5361614B2 (ja) 2009-08-28 2009-08-28 降圧回路

Publications (3)

Publication Number Publication Date
JP2011048709A JP2011048709A (ja) 2011-03-10
JP2011048709A5 true JP2011048709A5 (ja) 2012-04-05
JP5361614B2 JP5361614B2 (ja) 2013-12-04

Family

ID=43623875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009197541A Expired - Fee Related JP5361614B2 (ja) 2009-08-28 2009-08-28 降圧回路

Country Status (3)

Country Link
US (2) US8258859B2 (ja)
JP (1) JP5361614B2 (ja)
CN (1) CN102004512B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5361614B2 (ja) * 2009-08-28 2013-12-04 ルネサスエレクトロニクス株式会社 降圧回路
EP2372485B1 (en) * 2010-04-01 2014-03-19 ST-Ericsson SA Voltage regulator
US20110298499A1 (en) * 2010-06-04 2011-12-08 Samsung Electronics Co., Ltd. Internal voltage generator and integrated circuit device including the same
US20140145695A1 (en) * 2012-11-26 2014-05-29 Nxp B.V. Startup control circuit in voltage regulators and related circuits
WO2016202398A1 (en) * 2015-06-18 2016-12-22 Epcos Ag Low-dropout voltage regulator apparatus
KR20170003025A (ko) * 2015-06-30 2017-01-09 에스케이하이닉스 주식회사 내부전압 생성회로
CN112421952A (zh) * 2020-11-25 2021-02-26 北京奕斯伟计算技术有限公司 电压生成模组和电源管理芯片
JP2023013178A (ja) * 2021-07-15 2023-01-26 株式会社東芝 定電圧回路

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03158912A (ja) * 1989-11-17 1991-07-08 Seiko Instr Inc ボルテージ・レギュレーター
DE69426104T2 (de) * 1993-08-30 2001-05-10 Motorola Inc Krümmungskorrekturschaltung für eine Spannungsreferenz
JP3650186B2 (ja) 1995-11-28 2005-05-18 株式会社ルネサステクノロジ 半導体装置および比較回路
JP3592423B2 (ja) * 1996-01-26 2004-11-24 株式会社ルネサステクノロジ 半導体集積回路装置
JPH10232721A (ja) * 1997-02-20 1998-09-02 Sharp Corp 直流安定化電源の出力制御装置、および、直流安定化電源
EP0892332B1 (en) * 1997-07-14 2005-03-09 STMicroelectronics S.r.l. Low power consumption linear voltage regulator having a fast response with respect to the load transients
US6188211B1 (en) * 1998-05-13 2001-02-13 Texas Instruments Incorporated Current-efficient low-drop-out voltage regulator with improved load regulation and frequency response
US6285246B1 (en) * 1998-09-15 2001-09-04 California Micro Devices, Inc. Low drop-out regulator capable of functioning in linear and saturated regions of output driver
JP2002042467A (ja) * 2000-07-21 2002-02-08 Mitsubishi Electric Corp 電圧降圧回路およびそれを備える半導体集積回路装置
US6522111B2 (en) * 2001-01-26 2003-02-18 Linfinity Microelectronics Linear voltage regulator using adaptive biasing
DE10119858A1 (de) * 2001-04-24 2002-11-21 Infineon Technologies Ag Spannungsregler
JP3874247B2 (ja) * 2001-12-25 2007-01-31 株式会社ルネサステクノロジ 半導体集積回路装置
US6642791B1 (en) * 2002-08-09 2003-11-04 Lsi Logic Corporation Self-biased amplifier circuit and method for self-basing amplifier circuit
JP4005481B2 (ja) * 2002-11-14 2007-11-07 セイコーインスツル株式会社 ボルテージ・レギュレータ及び電子機器
US6933772B1 (en) * 2004-02-02 2005-08-23 Freescale Semiconductor, Inc. Voltage regulator with improved load regulation using adaptive biasing
US7095257B2 (en) * 2004-05-07 2006-08-22 Sige Semiconductor (U.S.), Corp. Fast low drop out (LDO) PFET regulator circuit
JP2005322152A (ja) * 2004-05-11 2005-11-17 Toshiba Corp 基準電圧回路
JP4354360B2 (ja) * 2004-07-26 2009-10-28 Ｏｋｉセミコンダクタ株式会社 降圧電源装置
EP1635239A1 (en) * 2004-09-14 2006-03-15 Dialog Semiconductor GmbH Adaptive biasing concept for current mode voltage regulators
JP2006155357A (ja) * 2004-11-30 2006-06-15 Sanyo Electric Co Ltd 降圧回路
US7248531B2 (en) * 2005-08-03 2007-07-24 Mosaid Technologies Incorporated Voltage down converter for high speed memory
JP2007128292A (ja) * 2005-11-04 2007-05-24 Ricoh Co Ltd ボルテージレギュレータ
JP2007280025A (ja) * 2006-04-06 2007-10-25 Seiko Epson Corp 電源装置
KR100780209B1 (ko) * 2006-05-26 2007-11-27 삼성전기주식회사 공급전압 변환 장치
EP1865397B1 (en) * 2006-06-05 2012-11-21 St Microelectronics S.A. Low drop-out voltage regulator
US8026703B1 (en) * 2006-12-08 2011-09-27 Cypress Semiconductor Corporation Voltage regulator and method having reduced wakeup-time and increased power efficiency
US7982448B1 (en) * 2006-12-22 2011-07-19 Cypress Semiconductor Corporation Circuit and method for reducing overshoots in adaptively biased voltage regulators
US7567119B2 (en) * 2007-01-10 2009-07-28 Standard Microsystems Corporation Current limiting protection circuit
US7723968B2 (en) * 2007-03-06 2010-05-25 Freescale Semiconductor, Inc. Technique for improving efficiency of a linear voltage regulator
JP5008472B2 (ja) * 2007-06-21 2012-08-22 セイコーインスツル株式会社 ボルテージレギュレータ
JP2009053783A (ja) * 2007-08-24 2009-03-12 Ricoh Co Ltd オーバーシュート抑制回路および該オーバーシュート抑制回路を用いた電圧レギュレータならびに電子機器
JP4937865B2 (ja) * 2007-09-11 2012-05-23 株式会社リコー 定電圧回路
JP4971970B2 (ja) * 2007-12-27 2012-07-11 ルネサスエレクトロニクス株式会社 降圧回路及び半導体装置並びに降圧回路制御方法
JP5014194B2 (ja) * 2008-02-25 2012-08-29 セイコーインスツル株式会社 ボルテージレギュレータ
US20090224737A1 (en) * 2008-03-07 2009-09-10 Mediatek Inc. Voltage regulator with local feedback loop using control currents for compensating load transients
EP2151732B1 (en) * 2008-08-08 2012-10-17 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Stable low dropout voltage regulator
TWI379182B (en) * 2008-10-13 2012-12-11 Holtek Semiconductor Inc Voltage regulator having active foldback current limiting circuit
JP5361614B2 (ja) * 2009-08-28 2013-12-04 ルネサスエレクトロニクス株式会社 降圧回路
US8289009B1 (en) * 2009-11-09 2012-10-16 Texas Instruments Incorporated Low dropout (LDO) regulator with ultra-low quiescent current
JP5527056B2 (ja) * 2010-07-05 2014-06-18 ミツミ電機株式会社 差動増幅回路およびシリーズレギュレータ

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