HK1143432A1 - Low dropout (ldo) voltage regulator and method thereof - Google Patents

Low dropout (ldo) voltage regulator and method thereof

Info

Publication number
HK1143432A1
HK1143432A1 HK10109809.0A HK10109809A HK1143432A1 HK 1143432 A1 HK1143432 A1 HK 1143432A1 HK 10109809 A HK10109809 A HK 10109809A HK 1143432 A1 HK1143432 A1 HK 1143432A1
Authority
HK
Hong Kong
Prior art keywords
ldo
voltage regulator
low dropout
dropout
low
Prior art date
Application number
HK10109809.0A
Other languages
English (en)
Inventor
Rastislav Koleno
Original Assignee
Semiconductor Components Ind
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 Semiconductor Components Ind filed Critical Semiconductor Components Ind
Publication of HK1143432A1 publication Critical patent/HK1143432A1/xx

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
    • G05F1/575—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)
HK10109809.0A 2008-11-11 2010-10-18 Low dropout (ldo) voltage regulator and method thereof HK1143432A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/268,838 US7994764B2 (en) 2008-11-11 2008-11-11 Low dropout voltage regulator with high power supply rejection ratio

Publications (1)

Publication Number Publication Date
HK1143432A1 true HK1143432A1 (en) 2010-12-31

Family

ID=42164595

Family Applications (1)

Application Number Title Priority Date Filing Date
HK10109809.0A HK1143432A1 (en) 2008-11-11 2010-10-18 Low dropout (ldo) voltage regulator and method thereof

Country Status (4)

Country Link
US (1) US7994764B2 (xx)
CN (1) CN101739050B (xx)
HK (1) HK1143432A1 (xx)
TW (1) TWI476557B (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7994764B2 (en) * 2008-11-11 2011-08-09 Semiconductor Components Industries, Llc Low dropout voltage regulator with high power supply rejection ratio
TWI435199B (zh) * 2011-07-29 2014-04-21 Realtek Semiconductor Corp 電源供應電路以及電源供應方法
US20130127427A1 (en) * 2011-11-18 2013-05-23 Jiazhou Liu Regulator, electronic device including the regulator
US8760131B2 (en) 2012-01-06 2014-06-24 Micrel, Inc. High bandwidth PSRR power supply regulator
JP5715587B2 (ja) * 2012-03-21 2015-05-07 株式会社東芝 レギュレータ
JP6048026B2 (ja) 2012-09-20 2016-12-21 富士通株式会社 電源回路及び電源装置
US20140347026A1 (en) * 2013-05-21 2014-11-27 Nxp B.V. Circuit for voltage regulation
CN104049667A (zh) * 2014-06-24 2014-09-17 吴江圣博瑞信息科技有限公司 一种高带宽高psrr低压降线性稳压器
JP6442322B2 (ja) * 2015-02-26 2018-12-19 エイブリック株式会社 基準電圧回路および電子機器
KR102352449B1 (ko) * 2015-04-30 2022-01-18 삼성전자주식회사 배터리 팽창을 방지하기 위한 방법 및 그 전자 장치
TWI694320B (zh) * 2015-09-22 2020-05-21 南韓商三星電子股份有限公司 使用多電源和增益提升技術之電壓調節器以及包含該電壓調節器的行動裝置
TWI654509B (zh) 2018-01-03 2019-03-21 立積電子股份有限公司 參考電壓產生器
EP3511796B1 (en) * 2018-01-15 2021-06-30 Nxp B.V. A linear regulator with a common resistance
US10671105B2 (en) * 2018-03-06 2020-06-02 Texas Instruments Incorporated Multi-input voltage regulator
JP7489244B2 (ja) * 2020-07-09 2024-05-23 ローム株式会社 リニア電源回路

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9721908D0 (en) * 1997-10-17 1997-12-17 Philips Electronics Nv Voltage regulator circuits and semiconductor circuit devices
US6424205B1 (en) 2000-08-07 2002-07-23 Semiconductor Components Industries Llc Low voltage ACMOS reference with improved PSRR
US6246221B1 (en) * 2000-09-20 2001-06-12 Texas Instruments Incorporated PMOS low drop-out voltage regulator using non-inverting variable gain stage
US6700360B2 (en) * 2002-03-25 2004-03-02 Texas Instruments Incorporated Output stage compensation circuit
US6703815B2 (en) * 2002-05-20 2004-03-09 Texas Instruments Incorporated Low drop-out regulator having current feedback amplifier and composite feedback loop
US6703816B2 (en) * 2002-03-25 2004-03-09 Texas Instruments Incorporated Composite loop compensation for low drop-out regulator
JP4023286B2 (ja) * 2002-10-24 2007-12-19 株式会社デンソー 多出力電源装置及び車載電子制御装置
US7173402B2 (en) * 2004-02-25 2007-02-06 O2 Micro, Inc. Low dropout voltage regulator
FR2881537B1 (fr) * 2005-01-28 2007-05-11 Atmel Corp Regulateur cmos standard a bas renvoi, psrr eleve, bas bruit avec nouvelle compensation dynamique
CN100492244C (zh) * 2007-03-21 2009-05-27 北京中星微电子有限公司 一种低压差的电压调节器
CN100495281C (zh) * 2007-09-07 2009-06-03 北京时代民芯科技有限公司 一种低压差线性稳压器
US7994764B2 (en) * 2008-11-11 2011-08-09 Semiconductor Components Industries, Llc Low dropout voltage regulator with high power supply rejection ratio

Also Published As

Publication number Publication date
US7994764B2 (en) 2011-08-09
TWI476557B (zh) 2015-03-11
TW201033780A (en) 2010-09-16
CN101739050B (zh) 2013-10-09
US20100117609A1 (en) 2010-05-13
CN101739050A (zh) 2010-06-16

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20211021