KR101002119B1 - 전압 레귤레이터 - Google Patents
전압 레귤레이터 Download PDFInfo
- Publication number
- KR101002119B1 KR101002119B1 KR1020050059987A KR20050059987A KR101002119B1 KR 101002119 B1 KR101002119 B1 KR 101002119B1 KR 1020050059987 A KR1020050059987 A KR 1020050059987A KR 20050059987 A KR20050059987 A KR 20050059987A KR 101002119 B1 KR101002119 B1 KR 101002119B1
- Authority
- KR
- South Korea
- Prior art keywords
- voltage
- nmos transistor
- power supply
- output
- circuit
- Prior art date
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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
- G05F1/565—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
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- 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)
Abstract
Description
Claims (3)
- 전원과 출력단자 사이에 접속된 출력 트랜지스터;상기 출력단자의 출력전압을 피드백시키는 피드백 저항;기준전압을 출력하는 기준전압회로;상기 피드백 저항에서 출력된 피드백 전압과 기준전압을 비교하여 상기 출력 트랜지스터를 제어하는 전압증폭회로; 및상기 기준전압에 기초하여 소정의 전류가 흐르게 하는 정전류부, 전원전압의 변동을 검출하는 검출부, 및 상기 검출부에 의해 검출된 변동레벨에 상응하는 전류를 상기 전압증폭회로로 공급하는 출력부를 포함하는 과도응답개선회로를 포함하는 전압 레귤레이터로서,상기 검출부는, 전류미러형태로 서로 접속되는 제1 NMOS 트랜지스터와 제2 NMOS 트랜지스터; 및 상기 제1 NMOS 트랜지스터의 게이트와 제2 NMOS 트랜지스터의 게이트 사이의 노드와, 전원 사이에 제공된 캐패시터를 포함하고, 상기 검출부는 상기 캐패시터를 통해 게이트의 전위 저하에 기초하여 전원전압의 트레일링 부분(Trailing Portion)을 검출하는, 전압 레귤레이터.
- 삭제
- 제 1 항에 있어서, 상기 제2 NMOS 트랜지스터의 임계전압은 상기 제1 NMOS 트랜지스터 보다 낮은 전압 레귤레이터.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004198546A JP2006018774A (ja) | 2004-07-05 | 2004-07-05 | ボルテージレギュレータ |
JPJP-P-2004-00198546 | 2004-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060049829A KR20060049829A (ko) | 2006-05-19 |
KR101002119B1 true KR101002119B1 (ko) | 2010-12-16 |
Family
ID=35513200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050059987A KR101002119B1 (ko) | 2004-07-05 | 2005-07-05 | 전압 레귤레이터 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7199566B2 (ko) |
JP (1) | JP2006018774A (ko) |
KR (1) | KR101002119B1 (ko) |
CN (1) | CN100538582C (ko) |
TW (1) | TWI354195B (ko) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP4744945B2 (ja) * | 2004-07-27 | 2011-08-10 | ローム株式会社 | レギュレータ回路 |
JP2006331059A (ja) * | 2005-05-26 | 2006-12-07 | Ricoh Co Ltd | ボルテージレギュレータ |
JP4295289B2 (ja) * | 2006-03-30 | 2009-07-15 | パナソニック株式会社 | 基準電源電圧回路 |
JP4847207B2 (ja) | 2006-05-09 | 2011-12-28 | 株式会社リコー | 定電圧回路 |
US7642754B2 (en) * | 2006-06-08 | 2010-01-05 | Semiconductor Components Industries, L.L.C. | Method of forming a voltage regulator and structure therefor |
JP5203086B2 (ja) * | 2007-08-10 | 2013-06-05 | セイコーインスツル株式会社 | 電源電圧低下検出回路 |
JP5095504B2 (ja) * | 2008-05-29 | 2012-12-12 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP2010170171A (ja) * | 2009-01-20 | 2010-08-05 | Renesas Electronics Corp | 電圧レギュレータ回路 |
KR20100107346A (ko) | 2009-03-25 | 2010-10-05 | 삼성전자주식회사 | 반도체 메모리 장치 |
JP5704314B2 (ja) * | 2010-12-10 | 2015-04-22 | セイコーエプソン株式会社 | 集積回路装置及び電子機器 |
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 |
US9213382B2 (en) * | 2012-09-12 | 2015-12-15 | Intel Corporation | Linear voltage regulator based on-die grid |
US9223329B2 (en) * | 2013-04-18 | 2015-12-29 | Stmicroelectronics S.R.L. | Low drop out voltage regulator with operational transconductance amplifier and related method of generating a regulated voltage |
JP6065808B2 (ja) | 2013-10-24 | 2017-01-25 | 三菱電機株式会社 | 半導体装置及び半導体モジュール |
CN106160468B (zh) * | 2015-03-25 | 2019-01-22 | 展讯通信(上海)有限公司 | 改善瞬态响应特性的驱动电源系统 |
JP6457887B2 (ja) * | 2015-05-21 | 2019-01-23 | エイブリック株式会社 | ボルテージレギュレータ |
CN105302218B (zh) * | 2015-11-11 | 2017-03-15 | 珠海格力电器股份有限公司 | 一种低功耗电路中瞬时大电流输出电路 |
JP2017126285A (ja) | 2016-01-15 | 2017-07-20 | 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 |
CN109085405B (zh) * | 2017-06-13 | 2021-04-02 | 中芯国际集成电路制造(上海)有限公司 | 一种电路模块的工作电流检测方法及电路 |
JP7237774B2 (ja) * | 2019-08-27 | 2023-03-13 | 株式会社東芝 | 電流検出回路 |
US20240045456A1 (en) * | 2022-08-08 | 2024-02-08 | Advanced Micro Devices, Inc. | Noise cancellation for power supply rejection |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2002091580A (ja) * | 2000-09-20 | 2002-03-29 | Ricoh Co Ltd | 安定化電源回路 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5861736A (en) * | 1994-12-01 | 1999-01-19 | Texas Instruments Incorporated | Circuit and method for regulating a voltage |
US6605931B2 (en) * | 2000-11-07 | 2003-08-12 | Microsemi Corporation | Switching regulator with transient recovery circuit |
US6700360B2 (en) * | 2002-03-25 | 2004-03-02 | Texas Instruments Incorporated | Output stage compensation circuit |
US6690147B2 (en) * | 2002-05-23 | 2004-02-10 | Texas Instruments Incorporated | LDO voltage regulator having efficient current frequency compensation |
-
2004
- 2004-07-05 JP JP2004198546A patent/JP2006018774A/ja not_active Withdrawn
-
2005
- 2005-07-01 US US11/172,682 patent/US7199566B2/en active Active
- 2005-07-01 TW TW094122420A patent/TWI354195B/zh not_active IP Right Cessation
- 2005-07-05 CN CNB2005100835030A patent/CN100538582C/zh not_active Expired - Fee Related
- 2005-07-05 KR KR1020050059987A patent/KR101002119B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP2002091580A (ja) * | 2000-09-20 | 2002-03-29 | Ricoh Co Ltd | 安定化電源回路 |
Also Published As
Publication number | Publication date |
---|---|
TW200615732A (en) | 2006-05-16 |
US20060001407A1 (en) | 2006-01-05 |
CN1722042A (zh) | 2006-01-18 |
CN100538582C (zh) | 2009-09-09 |
KR20060049829A (ko) | 2006-05-19 |
JP2006018774A (ja) | 2006-01-19 |
TWI354195B (en) | 2011-12-11 |
US7199566B2 (en) | 2007-04-03 |
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