HK1143432A1 - Low dropout (ldo) voltage regulator and method thereof - Google Patents
Low dropout (ldo) voltage regulator and method thereofInfo
- 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
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)
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 (zh) |
CN (1) | CN101739050B (zh) |
HK (1) | HK1143432A1 (zh) |
TW (1) | TWI476557B (zh) |
Families Citing this family (15)
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)
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 |
-
2008
- 2008-11-11 US US12/268,838 patent/US7994764B2/en active Active
-
2009
- 2009-10-21 CN CN2009102068065A patent/CN101739050B/zh not_active Expired - Fee Related
- 2009-10-23 TW TW098136004A patent/TWI476557B/zh active
-
2010
- 2010-10-18 HK HK10109809.0A patent/HK1143432A1/xx not_active IP Right Cessation
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 |