CN114424139B - 用于ldo的前置稳压器 - Google Patents

用于ldo的前置稳压器 Download PDF

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Publication number
CN114424139B
CN114424139B CN202080065606.7A CN202080065606A CN114424139B CN 114424139 B CN114424139 B CN 114424139B CN 202080065606 A CN202080065606 A CN 202080065606A CN 114424139 B CN114424139 B CN 114424139B
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China
Prior art keywords
coupled
pfet
supply voltage
gate
nfet
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CN202080065606.7A
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Chinese (zh)
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CN114424139A (zh
Inventor
M·哈桑
G·E·法尔肯堡
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Texas Instruments Inc
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Texas Instruments Inc
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    • 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
    • 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
    • G05F1/468—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC characterised by reference voltage circuitry, e.g. soft start, remote shutdown
    • 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
    • G05F1/59—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 plural semiconductor devices as final control devices for a single load
    • 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
    • G05F3/18—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using Zener diodes
    • G05F3/185—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using Zener diodes and field-effect transistors

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Nonlinear Science (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Dc-Dc Converters (AREA)
CN202080065606.7A 2019-09-20 2020-09-21 用于ldo的前置稳压器 Active CN114424139B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962903632P 2019-09-20 2019-09-20
US62/903,632 2019-09-20
US16/674,577 2019-11-05
US16/674,577 US10942536B1 (en) 2019-09-20 2019-11-05 Pre-regulator for an LDO
PCT/US2020/051738 WO2021055923A1 (en) 2019-09-20 2020-09-21 Pre-regulator for an ldo

Publications (2)

Publication Number Publication Date
CN114424139A CN114424139A (zh) 2022-04-29
CN114424139B true CN114424139B (zh) 2024-05-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080065606.7A Active CN114424139B (zh) 2019-09-20 2020-09-21 用于ldo的前置稳压器

Country Status (6)

Country Link
US (1) US10942536B1 (https=)
EP (1) EP4031954A4 (https=)
JP (1) JP7648609B2 (https=)
KR (1) KR20220061134A (https=)
CN (1) CN114424139B (https=)
WO (1) WO2021055923A1 (https=)

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CN114189148B (zh) * 2022-01-21 2022-10-21 钰泰半导体股份有限公司 功率转换器及其控制方法
TWI799145B (zh) * 2022-02-18 2023-04-11 瑞昱半導體股份有限公司 D類放大器驅動電路
US12001235B2 (en) * 2022-03-30 2024-06-04 Texas Instruments Incorporated Startup circuit for high voltage low power voltage regulator
US12456910B2 (en) * 2023-04-12 2025-10-28 Cisco Technology, Inc. Latch-up mitigated charge pump for high power supply rejection low-dropout regulator
CN118605687B (zh) * 2024-06-25 2025-04-18 芯弘微电子(深圳)有限公司 电压稳定电路、电源模块和电子设备
WO2026034665A1 (ko) * 2024-08-08 2026-02-12 엘지전자 주식회사 디스플레이 장치 및 그의 동작 방법
CN119356462B (zh) * 2024-12-23 2025-04-25 江苏帝奥微电子股份有限公司 一种高压启动电路

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CN103631301A (zh) * 2012-08-24 2014-03-12 飞思卡尔半导体公司 带有浮动电压参考的低压降稳压器
CN205847214U (zh) * 2016-02-16 2016-12-28 世意法（北京）半导体研发有限责任公司 用于开关功率晶体管的电子电路和电子设备
JP2017174336A (ja) * 2016-03-25 2017-09-28 新日本無線株式会社 電源回路

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JPH03100814A (ja) * 1989-09-14 1991-04-25 Fukushima Nippon Denki Kk 定電圧回路
US5982158A (en) * 1999-04-19 1999-11-09 Delco Electronics Corporaiton Smart IC power control
EP1111492A1 (en) 1999-11-30 2001-06-27 Nokia Mobile Phones Ltd. Low loss voltage preregulator
JP3683185B2 (ja) 2001-03-12 2005-08-17 株式会社リコー 定電圧回路
KR100608112B1 (ko) * 2004-08-27 2006-08-02 삼성전자주식회사 과전류 보호회로를 구비한 전원 레귤레이터 및 전원레귤레이터의 과전류 보호방법
CN102948035A (zh) * 2010-06-16 2013-02-27 株式会社自动网络技术研究所 电源控制电路及电源控制装置
US8575903B2 (en) * 2010-12-23 2013-11-05 Texas Instruments Incorporated Voltage regulator that can operate with or without an external power transistor
JP6205250B2 (ja) 2013-11-25 2017-09-27 新日本無線株式会社 電源回路
KR20150075803A (ko) 2013-12-26 2015-07-06 삼성전기주식회사 바이패스 모드를 갖는 전압 레귤레이터
JP6510828B2 (ja) 2015-02-05 2019-05-08 ローム株式会社 リニア電源及びこれを用いた電子機器
JP6491520B2 (ja) * 2015-04-10 2019-03-27 ローム株式会社 リニア電源回路
RU2611021C2 (ru) * 2015-05-26 2017-02-17 Федеральное государственное образовательное бюджетное учреждение высшего профессионального образования "Сибирский государственный университет телекоммуникаций и информатики" (ФГОБУ ВПО "СибГУТИ") Стабилизатор постоянного напряжения
JP6566353B2 (ja) 2015-08-07 2019-08-28 パナソニックＩｐマネジメント株式会社 自動火災報知システムの子機、自動火災報知システム、および自動火災報知システムの親機
CN205787995U (zh) * 2016-05-18 2016-12-07 湖州绿明微电子有限公司 Ldo调压器、交流设备
GB2558877A (en) * 2016-12-16 2018-07-25 Nordic Semiconductor Asa Voltage regulator

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CN103631301A (zh) * 2012-08-24 2014-03-12 飞思卡尔半导体公司 带有浮动电压参考的低压降稳压器
CN205847214U (zh) * 2016-02-16 2016-12-28 世意法（北京）半导体研发有限责任公司 用于开关功率晶体管的电子电路和电子设备
JP2017174336A (ja) * 2016-03-25 2017-09-28 新日本無線株式会社 電源回路

Also Published As

Publication number Publication date
US10942536B1 (en) 2021-03-09
KR20220061134A (ko) 2022-05-12
EP4031954A1 (en) 2022-07-27
CN114424139A (zh) 2022-04-29
EP4031954A4 (en) 2022-11-16
WO2021055923A1 (en) 2021-03-25
JP2022549254A (ja) 2022-11-24
US20210089067A1 (en) 2021-03-25
JP7648609B2 (ja) 2025-03-18

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