CN100426173C - 可切换的线性稳压器 - Google Patents
可切换的线性稳压器 Download PDFInfo
- Publication number
- CN100426173C CN100426173C CNB2006100653107A CN200610065310A CN100426173C CN 100426173 C CN100426173 C CN 100426173C CN B2006100653107 A CNB2006100653107 A CN B2006100653107A CN 200610065310 A CN200610065310 A CN 200610065310A CN 100426173 C CN100426173 C CN 100426173C
- Authority
- CN
- China
- Prior art keywords
- resistance
- voltage regulator
- voltage
- linear voltage
- switchable
- 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.)
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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
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45136—One differential amplifier in IC-block form being shown
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45534—Indexing scheme relating to differential amplifiers the FBC comprising multiple switches and being coupled between the LC and the IC
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/087,464 | 2005-03-23 | ||
US11/087,464 US7068019B1 (en) | 2005-03-23 | 2005-03-23 | Switchable linear regulator |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1838020A CN1838020A (zh) | 2006-09-27 |
CN100426173C true CN100426173C (zh) | 2008-10-15 |
Family
ID=36600465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100653107A Active CN100426173C (zh) | 2005-03-23 | 2006-03-17 | 可切换的线性稳压器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7068019B1 (zh) |
CN (1) | CN100426173C (zh) |
TW (1) | TWI307997B (zh) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7098735B2 (en) * | 2003-09-03 | 2006-08-29 | Broadcom Corporation | Reference buffer with dynamic current control |
KR100884235B1 (ko) * | 2003-12-31 | 2009-02-17 | 삼성전자주식회사 | 불휘발성 메모리 카드 |
US7170265B2 (en) * | 2005-04-07 | 2007-01-30 | Sige Semiconductor Inc. | Voltage regulator circuit with two or more output ports |
CN100485571C (zh) * | 2005-08-05 | 2009-05-06 | 鸿富锦精密工业(深圳)有限公司 | 输出可调稳压电源电路 |
JP4805643B2 (ja) * | 2005-09-21 | 2011-11-02 | 株式会社リコー | 定電圧回路 |
WO2007038944A1 (en) * | 2005-09-21 | 2007-04-12 | Freescale Semiconductor, Inc. | An integrated circuit and a method for selecting a voltage in an integrated circuit |
TWI341972B (en) * | 2007-04-12 | 2011-05-11 | Asustek Comp Inc | Controllable power supply with the step-up function |
KR101212736B1 (ko) * | 2007-09-07 | 2012-12-14 | 에스케이하이닉스 주식회사 | 코어전압 발생회로 |
US9164523B2 (en) * | 2009-01-16 | 2015-10-20 | Mediatek Inc. | Voltage regulator having a plurality of capacitors configured to obtain a feedback voltage from a division voltage |
JP5305519B2 (ja) * | 2009-04-21 | 2013-10-02 | ルネサスエレクトロニクス株式会社 | 電圧レギュレータ回路 |
US8981754B1 (en) * | 2009-05-10 | 2015-03-17 | Cypress Semiconductor Corporation | Programmable reference signal selection |
TWI424301B (zh) | 2009-12-24 | 2014-01-21 | Richwave Technology Corp | 以序列延遲方式來任意調變輸出電壓之電壓調節器及相關電壓調節方法 |
CN102147629A (zh) * | 2010-02-04 | 2011-08-10 | 立积电子股份有限公司 | 任意调变输出电压的电压调节器及相关电压调节方法 |
CN102213967A (zh) * | 2010-04-12 | 2011-10-12 | 辉达公司 | 具有电压调节功能的gpu芯片及其制作方法 |
US8461897B2 (en) * | 2010-06-07 | 2013-06-11 | Skyworks Solutions, Inc. | Apparatus and method for well buffering |
TWI420275B (zh) * | 2010-07-13 | 2013-12-21 | Sitronix Technology Corp | Switching capacitor voltage regulator |
JP2013012000A (ja) * | 2011-06-29 | 2013-01-17 | Mitsumi Electric Co Ltd | レギュレータ用半導体集積回路 |
JP6108808B2 (ja) * | 2011-12-23 | 2017-04-05 | 株式会社半導体エネルギー研究所 | 基準電位生成回路 |
US9250694B1 (en) * | 2013-05-10 | 2016-02-02 | Sridhar Kotikalapoodi | Method and apparatus for fast, efficient, low noise power supply |
CN103944381A (zh) * | 2014-03-27 | 2014-07-23 | 重庆四联光电科技有限公司 | 一种基于pwm控制的电压输出电路 |
US9230346B2 (en) | 2014-05-21 | 2016-01-05 | Himax Technologies Limited | Programmable gamma circuit for gamma correction |
CN104950974B (zh) | 2015-06-30 | 2017-05-31 | 华为技术有限公司 | 低压差线性稳压器与增加其稳定性的方法及锁相环 |
JP6781750B2 (ja) * | 2016-03-10 | 2020-11-04 | ヌヴォトンテクノロジージャパン株式会社 | レギュレータ回路および半導体記憶装置 |
US10663993B2 (en) * | 2016-07-15 | 2020-05-26 | Qualcomm Incorporated | Low-dropout regulator with band-reject power supply rejection ratio for phase locked loop voltage controlled oscillator |
KR102605008B1 (ko) * | 2018-01-24 | 2023-11-24 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체 장치, 전자 부품, 및 전자 기기 |
JP7223225B2 (ja) * | 2018-04-03 | 2023-02-16 | ミツミ電機株式会社 | 電源制御用半導体装置および出力電圧可変電源装置 |
CN112578836A (zh) * | 2019-09-30 | 2021-03-30 | 台湾积体电路制造股份有限公司 | 电压调节器电路以及提供供电电压的方法 |
US11442482B2 (en) * | 2019-09-30 | 2022-09-13 | Taiwan Semiconductor Manufacturing Company, Ltd. | Low-dropout (LDO) regulator with a feedback circuit |
US11411574B2 (en) | 2020-04-06 | 2022-08-09 | M31 Technology Corporation | Clock and data recovery circuit with proportional path and integral path, and multiplexer circuit for clock and data recovery circuit |
TWI788756B (zh) * | 2021-01-15 | 2023-01-01 | 瑞昱半導體股份有限公司 | 電壓產生電路及相關電容充電方法和系統 |
CN114815940B (zh) * | 2021-01-22 | 2024-01-30 | 瑞昱半导体股份有限公司 | 电压产生电路及相关电容充电方法和系统 |
US11656643B2 (en) * | 2021-05-12 | 2023-05-23 | Nxp Usa, Inc. | Capless low dropout regulation |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5218544A (en) * | 1990-02-27 | 1993-06-08 | Mitsubishi Denki K.K. | Constant-speed driving control device for motor vehicles |
JPH09297623A (ja) * | 1996-05-08 | 1997-11-18 | Toyo Commun Equip Co Ltd | 電圧/電流レギュレータ回路 |
JP2000066744A (ja) * | 1998-08-17 | 2000-03-03 | Nec Corp | レギュレータ内蔵半導体装置 |
CN2482254Y (zh) * | 2000-12-29 | 2002-03-13 | 李乾良 | 漏电保护器的漏电动作镇定值调节装置 |
US6583607B1 (en) * | 1999-10-01 | 2003-06-24 | Stmicroelectronics S.A. | Linear regulator with a selectable output voltage |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4495472A (en) * | 1982-11-22 | 1985-01-22 | At&T Bell Laboratories | Stable fast-settling voltage reference buffer amplifier |
JP2577897B2 (ja) * | 1986-10-31 | 1997-02-05 | 日本テキサス・インスツルメンツ 株式会社 | 定電圧電源回路 |
US5231316A (en) * | 1991-10-29 | 1993-07-27 | Lattice Semiconductor Corporation | Temperature compensated cmos voltage to current converter |
US5467009A (en) * | 1994-05-16 | 1995-11-14 | Analog Devices, Inc. | Voltage regulator with multiple fixed plus user-selected outputs |
US6593607B1 (en) | 1999-09-30 | 2003-07-15 | Pictos Technologies, Inc. | Image sensor with enhanced blue response and signal cross-talk suppression |
-
2005
- 2005-03-23 US US11/087,464 patent/US7068019B1/en active Active
-
2006
- 2006-03-15 TW TW095108696A patent/TWI307997B/zh active
- 2006-03-17 CN CNB2006100653107A patent/CN100426173C/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5218544A (en) * | 1990-02-27 | 1993-06-08 | Mitsubishi Denki K.K. | Constant-speed driving control device for motor vehicles |
JPH09297623A (ja) * | 1996-05-08 | 1997-11-18 | Toyo Commun Equip Co Ltd | 電圧/電流レギュレータ回路 |
JP2000066744A (ja) * | 1998-08-17 | 2000-03-03 | Nec Corp | レギュレータ内蔵半導体装置 |
US6583607B1 (en) * | 1999-10-01 | 2003-06-24 | Stmicroelectronics S.A. | Linear regulator with a selectable output voltage |
CN2482254Y (zh) * | 2000-12-29 | 2002-03-13 | 李乾良 | 漏电保护器的漏电动作镇定值调节装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1838020A (zh) | 2006-09-27 |
TWI307997B (en) | 2009-03-21 |
TW200635188A (en) | 2006-10-01 |
US7068019B1 (en) | 2006-06-27 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LIANFABODONG SCIENCE + TECHNOLOGY (BEIJING) CO., L |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110517 Address after: Hsinchu Science Park, Taiwan, China Co-patentee after: Science and Technology (Beijing) Co., Ltd. graduates jobs Patentee after: MediaTek.Inc Address before: Hsinchu Science Park, Taiwan, China Patentee before: MediaTek.Inc |
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TR01 | Transfer of patent right |
Effective date of registration: 20211203 Address after: Hsinchu Science Industrial Park, Taiwan, China Patentee after: MEDIATEK Inc. Patentee after: Xueshan Technology Co., Ltd Address before: Hsinchu Science Industrial Park, Taiwan, China Patentee before: MEDIATEK Inc. Patentee before: Lianfa Bodong Technology (Beijing) Co., Ltd |
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TR01 | Transfer of patent right |