WO2017000886A3 - 低压差线性稳压器与增加其稳定性的方法及锁相环 - Google Patents

低压差线性稳压器与增加其稳定性的方法及锁相环 Download PDF

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Publication number
WO2017000886A3
WO2017000886A3 PCT/CN2016/087707 CN2016087707W WO2017000886A3 WO 2017000886 A3 WO2017000886 A3 WO 2017000886A3 CN 2016087707 W CN2016087707 W CN 2016087707W WO 2017000886 A3 WO2017000886 A3 WO 2017000886A3
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WO
WIPO (PCT)
Prior art keywords
linear regulator
low dropout
dropout linear
dominant pole
compensation circuit
Prior art date
Application number
PCT/CN2016/087707
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English (en)
French (fr)
Other versions
WO2017000886A2 (zh
Inventor
张津海
蔡飞
周盛华
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP16817250.0A priority Critical patent/EP3296832A4/en
Priority to BR112017027689A priority patent/BR112017027689A2/pt
Publication of WO2017000886A2 publication Critical patent/WO2017000886A2/zh
Publication of WO2017000886A3 publication Critical patent/WO2017000886A3/zh
Priority to US15/857,037 priority patent/US10296028B2/en
Priority to US16/376,358 priority patent/US10915123B2/en

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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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop

Abstract

一种低压差线性稳压器与增加其稳定性的方法及锁相环。低压差线性稳压器包括：参考电压源（201）、误差放大器（202）、调节电路（203）、负载（206）、第一补偿电路（204）及第二补偿电路（205）。第一补偿电路（204），与调节电路（203）耦合，用于调节低压差线性稳压器的主极点及次主极点以调节相位裕度；第二补偿电路（205），用于在第一补偿电路（204）已调节低压差线性稳压器的主极点及次主极点的基础上，减小低压差线性稳压器的主极点，并进一步增大次主极点，以调节相位裕度和低压差线性稳压器的增益带宽积。低压差线性稳压器能够显著的降低增益带宽积值和主极点的大小，同时增加次主极点的大小，从而使得误差放大器（202）具有更好的噪声性能。
PCT/CN2016/087707 2015-06-30 2016-06-29 低压差线性稳压器与增加其稳定性的方法及锁相环 WO2017000886A2 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16817250.0A EP3296832A4 (en) 2015-06-30 2016-06-29 Low dropout linear regulator, method for increasing stability thereof and phase-locked loop
BR112017027689A BR112017027689A2 (pt) 2015-06-30 2016-06-29 regulador de tensão de baixa queda, método para melhorar a estabilidade do regulador de tensão de baixa queda e malha de captura de fase
US15/857,037 US10296028B2 (en) 2015-06-30 2017-12-28 Low dropout regulator, method for improving stability of low dropout regulator, and phase-locked loop
US16/376,358 US10915123B2 (en) 2015-06-30 2019-04-05 Low dropout regulator and phase-locked loop

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510374098.1A CN104950974B (zh) 2015-06-30 2015-06-30 低压差线性稳压器与增加其稳定性的方法及锁相环
CN201510374098.1 2015-06-30

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US15/857,037 Continuation US10296028B2 (en) 2015-06-30 2017-12-28 Low dropout regulator, method for improving stability of low dropout regulator, and phase-locked loop

Publications (2)

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WO2017000886A2 WO2017000886A2 (zh) 2017-01-05
WO2017000886A3 true WO2017000886A3 (zh) 2017-02-09

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Country Link
US (2) US10296028B2 (zh)
EP (1) EP3296832A4 (zh)
CN (1) CN104950974B (zh)
BR (1) BR112017027689A2 (zh)
TW (1) TWI611283B (zh)
WO (1) WO2017000886A2 (zh)

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CN113467559B (zh) * 2021-07-07 2022-03-08 电子科技大学 一种应用于ldo的自适应动态零点补偿电路
CN114115415B (zh) * 2021-11-09 2022-11-25 上海坤锐电子科技有限公司 一种低压差线性稳压电路
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TWI825726B (zh) * 2022-05-18 2023-12-11 瑞昱半導體股份有限公司 線性穩壓器與穩壓方法

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Also Published As

Publication number Publication date
CN104950974A (zh) 2015-09-30
CN104950974B (zh) 2017-05-31
BR112017027689A2 (pt) 2018-09-04
US10915123B2 (en) 2021-02-09
US20190235550A1 (en) 2019-08-01
EP3296832A4 (en) 2018-06-27
WO2017000886A2 (zh) 2017-01-05
US10296028B2 (en) 2019-05-21
TW201701101A (zh) 2017-01-01
EP3296832A2 (en) 2018-03-21
TWI611283B (zh) 2018-01-11
US20180120882A1 (en) 2018-05-03

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