CN115668092A - 一种用于ldo的瞬态提升电路、芯片系统及设备 - Google Patents

一种用于ldo的瞬态提升电路、芯片系统及设备 Download PDF

Info

Publication number
CN115668092A
CN115668092A CN202080101677.8A CN202080101677A CN115668092A CN 115668092 A CN115668092 A CN 115668092A CN 202080101677 A CN202080101677 A CN 202080101677A CN 115668092 A CN115668092 A CN 115668092A
Authority
CN
China
Prior art keywords
transistor
coupled
voltage
ldo
circuit
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
CN202080101677.8A
Other languages
English (en)
Chinese (zh)
Inventor
石玉楠
熊付荣
屈熹
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN115668092A publication Critical patent/CN115668092A/zh
Pending legal-status Critical Current

Links

Images

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

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)
CN202080101677.8A 2020-08-26 2020-08-26 一种用于ldo的瞬态提升电路、芯片系统及设备 Pending CN115668092A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/111524 WO2022041011A1 (fr) 2020-08-26 2020-08-26 Circuit d'amplification transitoire pour ldo, système de puce et dispositif

Publications (1)

Publication Number Publication Date
CN115668092A true CN115668092A (zh) 2023-01-31

Family

ID=80352315

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080101677.8A Pending CN115668092A (zh) 2020-08-26 2020-08-26 一种用于ldo的瞬态提升电路、芯片系统及设备

Country Status (3)

Country Link
EP (1) EP4194991A4 (fr)
CN (1) CN115668092A (fr)
WO (1) WO2022041011A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115525087B (zh) * 2022-03-29 2023-06-27 南京市智凌芯科技股份有限公司 一种快速响应低压差线性稳压器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6894553B2 (en) * 2002-07-31 2005-05-17 Fairchild Semiconductor Corporation Capacitively coupled current boost circuitry for integrated voltage regulator
US7221213B2 (en) * 2005-08-08 2007-05-22 Aimtron Technology Corp. Voltage regulator with prevention from overvoltage at load transients
CN102722207B (zh) * 2012-05-28 2014-08-20 华为技术有限公司 一种低压差线性稳压器
CN107102666A (zh) * 2016-02-22 2017-08-29 联发科技（新加坡）私人有限公司 低压差线性稳压器
US20170242449A1 (en) * 2016-02-22 2017-08-24 Mediatek Singapore Pte. Ltd. Low-dropout linear regulator
CN106774580B (zh) * 2017-01-19 2018-06-22 武汉众为信息技术有限公司 一种快速瞬态响应高电源抑制比的ldo电路
US10545523B1 (en) * 2018-10-25 2020-01-28 Qualcomm Incorporated Adaptive gate-biased field effect transistor for low-dropout regulator
DE102018129910A1 (de) * 2018-11-27 2020-05-28 Intel Corporation Konzept für einen gepufferten umgedrehten Spannungsfolger und für einen Spannungsregler mit niedrigem Dropout
CN110162130B (zh) * 2019-05-08 2020-06-02 宁波大学 一种电源抑制比和瞬态响应增强的ldo电路

Also Published As

Publication number Publication date
WO2022041011A1 (fr) 2022-03-03
EP4194991A4 (fr) 2023-09-27
EP4194991A1 (fr) 2023-06-14

Similar Documents

Publication Publication Date Title
US8289009B1 (en) Low dropout (LDO) regulator with ultra-low quiescent current
US10707773B2 (en) Energy acquisition and power supply system
CN114253330A (zh) 一种快速瞬态响应的无片外电容低压差线性稳压器
US11531361B2 (en) Current-mode feedforward ripple cancellation
EP1569062A1 (fr) compensation de fréquence efficace pour régulateur de tension linéaire.
US9477246B2 (en) Low dropout voltage regulator circuits
US10175707B1 (en) Voltage regulator having feedback path
CN110320956B (zh) 一种芯片内无片外电容的ldo调节电路
US6522114B1 (en) Noise reduction architecture for low dropout voltage regulators
CN109871059B (zh) 一种超低电压ldo电路
US11693441B2 (en) Dual loop voltage regulator utilizing gain and phase shaping
KR102138770B1 (ko) 높은 안정도와 빠른 응답 특성을 갖는 버퍼 회로, 증폭기 및 레귤레이터
KR20150075460A (ko) 외부 커패시터 없이 높은 전력 공급 제거 비율을 갖는 저 드롭 아웃 레귤레이터
CN215642444U (zh) 一种低静态电流nmos型全集成ldo电路
CN115668092A (zh) 一种用于ldo的瞬态提升电路、芯片系统及设备
CN110825157B (zh) 基于重载补偿的低压差线性稳压器
CN117389371A (zh) 一种适用于ldo的双环路频率补偿电路及其补偿方法
US8253479B2 (en) Output driver circuits for voltage regulators
CN108445959B (zh) 一种可选接片外电容的低压差线性稳压器
Harshil et al. A programmable low dropout regulator for delay correction network in DPWM
Ming et al. PSR-enhanced low-dropout regulator using feedforward supply noise rejection technique
CN210924313U (zh) 利用电荷泵增强电源抑制率的混合型开关-线性稳压器
Mustafa et al. Evolution of low drop out voltage regulator in CMOS technologies
WO2023125215A1 (fr) Régulateur à faible chute de tension et puce
CN110794910B (zh) 一种低压差稳压电路及其方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination