TWI369602B - Low drop out voltage regulator - Google Patents

Low drop out voltage regulator

Info

Publication number
TWI369602B
TWI369602B TW097144475A TW97144475A TWI369602B TW I369602 B TWI369602 B TW I369602B TW 097144475 A TW097144475 A TW 097144475A TW 97144475 A TW97144475 A TW 97144475A TW I369602 B TWI369602 B TW I369602B
Authority
TW
Taiwan
Prior art keywords
voltage regulator
drop out
out voltage
low drop
low
Prior art date
Application number
TW097144475A
Other languages
English (en)
Other versions
TW200937167A (en
Inventor
Bernard Mark Tenbroek
Christopher Geraint Jones
Original Assignee
Mediatek Inc
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 Mediatek Inc filed Critical Mediatek Inc
Publication of TW200937167A publication Critical patent/TW200937167A/zh
Application granted granted Critical
Publication of TWI369602B publication Critical patent/TWI369602B/zh

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

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)
  • Control Of Electrical Variables (AREA)
TW097144475A 2008-02-21 2008-11-18 Low drop out voltage regulator TWI369602B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/034,984 US7548051B1 (en) 2008-02-21 2008-02-21 Low drop out voltage regulator

Publications (2)

Publication Number Publication Date
TW200937167A TW200937167A (en) 2009-09-01
TWI369602B true TWI369602B (en) 2012-08-01

Family

ID=40637853

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097144475A TWI369602B (en) 2008-02-21 2008-11-18 Low drop out voltage regulator

Country Status (4)

Country Link
US (1) US7548051B1 (zh)
EP (1) EP2093645B1 (zh)
CN (1) CN101515184B (zh)
TW (1) TWI369602B (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8080983B2 (en) * 2008-11-03 2011-12-20 Microchip Technology Incorporated Low drop out (LDO) bypass voltage regulator
JP5762205B2 (ja) * 2011-08-04 2015-08-12 ラピスセミコンダクタ株式会社 半導体集積回路
CN103681513B (zh) * 2013-12-20 2016-04-13 上海岭芯微电子有限公司 集成电路充电驱动器及其制造方法
EP2887174B1 (en) * 2013-12-20 2021-01-13 Dialog Semiconductor GmbH CC-CV method to control the startup current for LDO
US9152841B1 (en) * 2014-03-24 2015-10-06 Fingerprint Cards Ab Capacitive fingerprint sensor with improved sensing element
AU2015247798B2 (en) 2014-04-14 2018-02-22 Ergotron, Inc. Height adjustable desktop work surface
CN104181970B (zh) * 2014-08-29 2016-05-11 电子科技大学 一种内嵌基准运算放大器的低压差线性稳压器
EP3352624A1 (en) 2015-09-24 2018-08-01 Ergotron, Inc. Height adjustable device
EP3358988A1 (en) 2015-10-08 2018-08-15 Ergotron, Inc. Height adjustable table
US9588541B1 (en) * 2015-10-30 2017-03-07 Qualcomm Incorporated Dual loop regulator circuit
US9791880B2 (en) 2016-03-16 2017-10-17 Analog Devices Global Reducing voltage regulator transistor operating temperatures
US9946283B1 (en) 2016-10-18 2018-04-17 Qualcomm Incorporated Fast transient response low-dropout (LDO) regulator
JP6805005B2 (ja) * 2017-01-30 2020-12-23 エイブリック株式会社 リーク電流補償回路及び半導体装置
US10411599B1 (en) 2018-03-28 2019-09-10 Qualcomm Incorporated Boost and LDO hybrid converter with dual-loop control
CN110531826B (zh) * 2018-05-25 2020-09-25 光宝科技新加坡私人有限公司 低压降分流稳压器
US10444780B1 (en) 2018-09-20 2019-10-15 Qualcomm Incorporated Regulation/bypass automation for LDO with multiple supply voltages
US10591938B1 (en) 2018-10-16 2020-03-17 Qualcomm Incorporated PMOS-output LDO with full spectrum PSR
US10545523B1 (en) 2018-10-25 2020-01-28 Qualcomm Incorporated Adaptive gate-biased field effect transistor for low-dropout regulator
US11372436B2 (en) 2019-10-14 2022-06-28 Qualcomm Incorporated Simultaneous low quiescent current and high performance LDO using single input stage and multiple output stages

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494519A1 (fr) * 1980-11-14 1982-05-21 Efcis Generateur de courant integre en technologie cmos
US4471292A (en) * 1982-11-10 1984-09-11 Texas Instruments Incorporated MOS Current mirror with high impedance output
DE69830469D1 (de) * 1998-03-16 2005-07-14 St Microelectronics Srl Polarisationsspannungssteuerschaltung für schwebende Senke in einer integrierten Halbleiterschaltung
US6188212B1 (en) * 2000-04-28 2001-02-13 Burr-Brown Corporation Low dropout voltage regulator circuit including gate offset servo circuit powered by charge pump
DE10215084A1 (de) * 2002-04-05 2003-10-30 Infineon Technologies Ag Schaltungsanordnung zur Spannungsregelung
US6989659B2 (en) * 2002-09-09 2006-01-24 Acutechnology Semiconductor Low dropout voltage regulator using a depletion pass transistor
EP1635239A1 (en) 2004-09-14 2006-03-15 Dialog Semiconductor GmbH Adaptive biasing concept for current mode voltage regulators
CN100514246C (zh) * 2005-09-16 2009-07-15 财团法人工业技术研究院 低压降线性稳压器
JP2008015875A (ja) 2006-07-07 2008-01-24 Matsushita Electric Ind Co Ltd 電源回路
CN200993746Y (zh) * 2006-12-22 2007-12-19 崇贸科技股份有限公司 低压降稳压器

Also Published As

Publication number Publication date
US7548051B1 (en) 2009-06-16
EP2093645A2 (en) 2009-08-26
CN101515184A (zh) 2009-08-26
EP2093645B1 (en) 2017-11-01
EP2093645A3 (en) 2013-12-04
TW200937167A (en) 2009-09-01
CN101515184B (zh) 2011-03-23

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