HK1009859A1 - Frequency compensation for a low drop-out regulator - Google Patents

Frequency compensation for a low drop-out regulator

Info

Publication number
HK1009859A1
HK1009859A1 HK98110861A HK98110861A HK1009859A1 HK 1009859 A1 HK1009859 A1 HK 1009859A1 HK 98110861 A HK98110861 A HK 98110861A HK 98110861 A HK98110861 A HK 98110861A HK 1009859 A1 HK1009859 A1 HK 1009859A1
Authority
HK
Hong Kong
Prior art keywords
frequency compensation
low drop
out regulator
regulator
drop
Prior art date
Application number
HK98110861A
Other languages
English (en)
Inventor
Evaldo M Miranda
Todd Brooks
Paul A Brokaw
Original Assignee
Analog Devices 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 Analog Devices Inc filed Critical Analog Devices Inc
Publication of HK1009859A1 publication Critical patent/HK1009859A1/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
    • G05F1/565—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

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)
HK98110861A 1995-06-07 1998-09-22 Frequency compensation for a low drop-out regulator HK1009859A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/488,403 US5631598A (en) 1995-06-07 1995-06-07 Frequency compensation for a low drop-out regulator
PCT/US1996/009348 WO1996041248A1 (en) 1995-06-07 1996-06-05 Frequency compensation for a low drop-out regulator

Publications (1)

Publication Number Publication Date
HK1009859A1 true HK1009859A1 (en) 1999-09-03

Family

ID=23939596

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98110861A HK1009859A1 (en) 1995-06-07 1998-09-22 Frequency compensation for a low drop-out regulator

Country Status (6)

Country Link
US (1) US5631598A (xx)
EP (1) EP0830650B1 (xx)
JP (1) JP2001507484A (xx)
DE (1) DE69605915T2 (xx)
HK (1) HK1009859A1 (xx)
WO (1) WO1996041248A1 (xx)

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US5982226A (en) * 1997-04-07 1999-11-09 Texas Instruments Incorporated Optimized frequency shaping circuit topologies for LDOs
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US6819165B2 (en) * 2002-05-30 2004-11-16 Analog Devices, Inc. Voltage regulator with dynamically boosted bias current
US6897715B2 (en) * 2002-05-30 2005-05-24 Analog Devices, Inc. Multimode voltage regulator
JP3993473B2 (ja) * 2002-06-20 2007-10-17 株式会社ルネサステクノロジ 半導体集積回路装置
DE60225124T2 (de) * 2002-07-05 2009-02-19 Dialog Semiconductor Gmbh Regelungseinrichtung mit kleiner Verlustspannung, mit großem Lastbereich und schneller innerer Regelschleife
CN1675606A (zh) * 2002-08-08 2005-09-28 皇家飞利浦电子股份有限公司 电压调节器
US6989659B2 (en) * 2002-09-09 2006-01-24 Acutechnology Semiconductor Low dropout voltage regulator using a depletion pass transistor
DE10249162B4 (de) * 2002-10-22 2007-10-31 Texas Instruments Deutschland Gmbh Spannungsregler
US6842068B2 (en) * 2003-02-27 2005-01-11 Semiconductor Components Industries, L.L.C. Power management method and structure
US7161339B2 (en) * 2003-08-20 2007-01-09 Broadcom Corporation High voltage power management unit architecture in CMOS process
US6879142B2 (en) * 2003-08-20 2005-04-12 Broadcom Corporation Power management unit for use in portable applications
US6894472B2 (en) 2003-08-20 2005-05-17 Broadcom Corporation Low leakage CMOS power mux
US6960907B2 (en) * 2004-02-27 2005-11-01 Hitachi Global Storage Technologies Netherlands, B.V. Efficient low dropout linear regulator
US6975099B2 (en) 2004-02-27 2005-12-13 Texas Instruments Incorporated Efficient frequency compensation for linear voltage regulators
US7298567B2 (en) * 2004-02-27 2007-11-20 Hitachi Global Storage Technologies Netherlands B.V. Efficient low dropout linear regulator
US7030595B2 (en) * 2004-08-04 2006-04-18 Nanopower Solutions Co., Ltd. Voltage regulator having an inverse adaptive controller
US7245115B2 (en) 2005-09-07 2007-07-17 Honeywell International Inc. Low drop out voltage regulator
EP1947544A1 (en) * 2007-01-17 2008-07-23 Austriamicrosystems AG Voltage regulator and method for voltage regulation
US7755338B2 (en) 2007-07-12 2010-07-13 Qimonda North America Corp. Voltage regulator pole shifting method and apparatus
US7733180B1 (en) * 2008-11-26 2010-06-08 Texas Instruments Incorporated Amplifier for driving external capacitive loads
US7924096B2 (en) * 2009-03-06 2011-04-12 Analog Devices, Inc. Input buffer with impedance cancellation
JP2011160554A (ja) * 2010-02-01 2011-08-18 Sanyo Electric Co Ltd 電源回路及び電子機器
US8575905B2 (en) * 2010-06-24 2013-11-05 International Business Machines Corporation Dual loop voltage regulator with bias voltage capacitor
FR2988184B1 (fr) 2012-03-15 2014-03-07 St Microelectronics Rousset Regulateur a faible chute de tension a stabilite amelioree.
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
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
US9369099B1 (en) * 2014-12-10 2016-06-14 Qualcomm Incorporated Low power operational transconductance amplifier
US9778672B1 (en) * 2016-03-31 2017-10-03 Qualcomm Incorporated Gate boosted low drop regulator
KR102436699B1 (ko) * 2016-05-11 2022-08-25 엘지전자 주식회사 전원공급장치, 및 이를 구비하는 영상표시장치
US9946283B1 (en) * 2016-10-18 2018-04-17 Qualcomm Incorporated Fast transient response low-dropout (LDO) regulator
CN108255223A (zh) * 2016-12-28 2018-07-06 中芯国际集成电路制造(北京)有限公司 Ldo电路
US10411599B1 (en) 2018-03-28 2019-09-10 Qualcomm Incorporated Boost and LDO hybrid converter with dual-loop control
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
US10756676B2 (en) 2018-10-17 2020-08-25 Analog Devices Global Unlimited Company Amplifier systems for driving a wide range of loads
US10545523B1 (en) 2018-10-25 2020-01-28 Qualcomm Incorporated Adaptive gate-biased field effect transistor for low-dropout regulator
US10775819B2 (en) * 2019-01-16 2020-09-15 Avago Technologies International Sales Pte. Limited Multi-loop voltage regulator with load tracking compensation
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

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Also Published As

Publication number Publication date
US5631598A (en) 1997-05-20
DE69605915T2 (de) 2000-05-04
EP0830650A1 (en) 1998-03-25
WO1996041248A1 (en) 1996-12-19
EP0830650B1 (en) 1999-12-29
DE69605915D1 (de) 2000-02-03
JP2001507484A (ja) 2001-06-05

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Legal Events

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

Effective date: 20150605