CN116940913A - 线性电源电路 - Google Patents

线性电源电路 Download PDF

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Publication number
CN116940913A
CN116940913A CN202280018546.2A CN202280018546A CN116940913A CN 116940913 A CN116940913 A CN 116940913A CN 202280018546 A CN202280018546 A CN 202280018546A CN 116940913 A CN116940913 A CN 116940913A
Authority
CN
China
Prior art keywords
output
output transistor
voltage
power supply
linear power
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.)
Pending
Application number
CN202280018546.2A
Other languages
English (en)
Chinese (zh)
Inventor
田古部勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm Co Ltd
Original Assignee
Rohm Co Ltd
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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of CN116940913A publication Critical patent/CN116940913A/zh
Pending legal-status Critical Current

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
    • 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
    • G05F1/563—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 including two stages of regulation at least one of which is output level responsive, e.g. coarse and fine regulation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is DC
    • G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G05F3/262—Current mirrors using field-effect transistors only

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
CN202280018546.2A 2021-03-04 2022-02-18 线性电源电路 Pending CN116940913A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-034178 2021-03-04
JP2021034178 2021-03-04
PCT/JP2022/006584 WO2022185945A1 (ja) 2021-03-04 2022-02-18 リニア電源回路

Publications (1)

Publication Number Publication Date
CN116940913A true CN116940913A (zh) 2023-10-24

Family

ID=83154150

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280018546.2A Pending CN116940913A (zh) 2021-03-04 2022-02-18 线性电源电路

Country Status (5)

Country Link
US (1) US12498748B2 (https=)
JP (1) JPWO2022185945A1 (https=)
CN (1) CN116940913A (https=)
DE (1) DE112022000613T5 (https=)
WO (1) WO2022185945A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120038332A1 (en) * 2010-08-10 2012-02-16 Novatek Microelectronics Corp. Linear voltage regulator and current sensing circuit thereof
CN102455730A (zh) * 2010-10-21 2012-05-16 三美电机株式会社 稳压器用半导体集成电路
CN102999075A (zh) * 2011-09-15 2013-03-27 精工电子有限公司 稳压器
US20200244160A1 (en) * 2019-01-30 2020-07-30 Dialog Semiconductor (Uk) Limited Feedback Scheme for Stable LDO Regulator Operation
CN112306130A (zh) * 2019-07-30 2021-02-02 意法半导体亚太私人有限公司 低压降（ldo）电压调节器电路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0317811U (https=) * 1989-06-30 1991-02-21
CN100480944C (zh) * 2007-05-15 2009-04-22 北京中星微电子有限公司 一种压控电流源及带有压控电流源的低压差稳压电源
US7728565B2 (en) * 2007-11-12 2010-06-01 Itt Manufacturing Enterprises, Inc. Non-invasive load current sensing in low dropout (LDO) regulators
JP5971720B2 (ja) * 2012-11-01 2016-08-17 株式会社東芝 電圧レギュレータ
JP2015152997A (ja) * 2014-02-12 2015-08-24 セイコーエプソン株式会社 回路装置及び電子機器
CN105446403A (zh) * 2014-08-14 2016-03-30 登丰微电子股份有限公司 低压差线性稳压器
WO2016190112A1 (ja) * 2015-05-26 2016-12-01 ソニー株式会社 レギュレータ回路、制御方法
CN106557106B (zh) * 2015-09-30 2018-06-26 意法半导体(中国)投资有限公司 用于调节器电路的补偿网络
JP7042117B2 (ja) * 2018-03-08 2022-03-25 ローム株式会社 リニアレギュレータ
JP7177661B2 (ja) 2018-10-31 2022-11-24 ローム株式会社 リニア電源回路
DE112020001910T5 (de) * 2019-04-12 2021-12-30 Rohm Co., Ltd. Lineare Energieversorgungsschaltung und Source-Follower-Schaltung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120038332A1 (en) * 2010-08-10 2012-02-16 Novatek Microelectronics Corp. Linear voltage regulator and current sensing circuit thereof
CN102455730A (zh) * 2010-10-21 2012-05-16 三美电机株式会社 稳压器用半导体集成电路
CN102999075A (zh) * 2011-09-15 2013-03-27 精工电子有限公司 稳压器
US20200244160A1 (en) * 2019-01-30 2020-07-30 Dialog Semiconductor (Uk) Limited Feedback Scheme for Stable LDO Regulator Operation
CN112306130A (zh) * 2019-07-30 2021-02-02 意法半导体亚太私人有限公司 低压降（ldo）电压调节器电路

Also Published As

Publication number Publication date
DE112022000613T5 (de) 2023-11-09
WO2022185945A1 (ja) 2022-09-09
US12498748B2 (en) 2025-12-16
US20230393600A1 (en) 2023-12-07
JPWO2022185945A1 (https=) 2022-09-09

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