KR20220061134A - Ldo를 위한 프리 레귤레이터 - Google Patents

Ldo를 위한 프리 레귤레이터 Download PDF

Info

Publication number
KR20220061134A
KR20220061134A KR1020227009007A KR20227009007A KR20220061134A KR 20220061134 A KR20220061134 A KR 20220061134A KR 1020227009007 A KR1020227009007 A KR 1020227009007A KR 20227009007 A KR20227009007 A KR 20227009007A KR 20220061134 A KR20220061134 A KR 20220061134A
Authority
KR
South Korea
Prior art keywords
coupled
pfet
supply voltage
gate
nfet
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
KR1020227009007A
Other languages
English (en)
Korean (ko)
Inventor
메헤디 하산
그랜트 이반 팔켄버그
Original Assignee
텍사스 인스트루먼츠 인코포레이티드
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 텍사스 인스트루먼츠 인코포레이티드 filed Critical 텍사스 인스트루먼츠 인코포레이티드
Publication of KR20220061134A publication Critical patent/KR20220061134A/ko
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
    • G05F1/468—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
    • G05F1/563—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
    • G05F1/56—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

Landscapes

  • 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)
KR1020227009007A 2019-09-20 2020-09-21 Ldo를 위한 프리 레귤레이터 Pending KR20220061134A (ko)

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 (1)

Publication Number Publication Date
KR20220061134A true KR20220061134A (ko) 2022-05-12

Family

ID=74851636

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227009007A Pending KR20220061134A (ko) 2019-09-20 2020-09-21 Ldo를 위한 프리 레귤레이터

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=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102912433B1 (ko) * 2024-08-08 2026-01-13 엘지전자 주식회사 디스플레이 장치 및 그의 동작 방법

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US9104222B2 (en) * 2012-08-24 2015-08-11 Freescale Semiconductor, Inc. Low dropout voltage regulator with a floating voltage reference
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
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
JP6721231B2 (ja) 2016-03-25 2020-07-08 新日本無線株式会社 電源回路
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102912433B1 (ko) * 2024-08-08 2026-01-13 엘지전자 주식회사 디스플레이 장치 및 그의 동작 방법

Also Published As

Publication number Publication date
US10942536B1 (en) 2021-03-09
CN114424139B (zh) 2024-05-14
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

Similar Documents

Publication Publication Date Title
KR20220061134A (ko) Ldo를 위한 프리 레귤레이터
US8680828B2 (en) Voltage regulator
US7602162B2 (en) Voltage regulator with over-current protection
CN210071919U (zh) 电流感测电路和电子电路
US7986499B2 (en) Current limiting circuit and voltage regulator using the same
US11422579B2 (en) Low dropout control for light load quiescent current reduction
US8129966B2 (en) Voltage regulator circuit and control method therefor
CN103392159B (zh) 具有基于负载阻抗的电流及电压返送的电压调节器
US8575903B2 (en) Voltage regulator that can operate with or without an external power transistor
US20160043539A1 (en) Short-circuit protection for voltage regulators
US11507120B2 (en) Load current based dropout control for continuous regulation in linear regulators
CN105393184B (zh) 稳压器
KR20160022829A (ko) 볼티지 레귤레이터
US20210156329A1 (en) Pre-regulator for an ldo
JP2022549254A5 (https=)
US6310467B1 (en) LDO regulator with thermal shutdown system and method
US9946276B2 (en) Voltage regulators with current reduction mode
US10551863B2 (en) Voltage regulators
Pérez-Bailón et al. A power efficient LDO regulator for portable CMOS SoC measurement systems
US11689111B2 (en) Self-powered solid state relay using digital isolators
TWI395079B (zh) 具限流機制之低壓降穩壓器
CN109787456A (zh) 一种栅驱动芯片自举电路
US12517534B2 (en) Dual input self-referenced voltage regulator
CN118226916B (zh) 一种带隙基准电路、电源管理电路、芯片以及电子设备

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

D21 Rejection of application intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D21-EXM-PE0902 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13 Pre-grant limitation requested

Free format text: ST27 STATUS EVENT CODE: A-2-3-E10-E13-LIM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000