CN110100219A - 稳压器以及电源 - Google Patents

稳压器以及电源 Download PDF

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Publication number
CN110100219A
CN110100219A CN201780002241.1A CN201780002241A CN110100219A CN 110100219 A CN110100219 A CN 110100219A CN 201780002241 A CN201780002241 A CN 201780002241A CN 110100219 A CN110100219 A CN 110100219A
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voltage
operational amplifier
ptat
offset
adjusting
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CN201780002241.1A
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CN110100219B (zh
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杜微
张均军
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Shenzhen Goodix Technology Co Ltd
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Shenzhen Goodix Technology Co Ltd
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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
    • G05F1/575—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
    • G05F1/468—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45183—Long tailed pairs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45269—Complementary non-cross coupled types
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
    • H03F3/45273—Mirror types
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45632—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit
    • H03F3/45744—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction
    • H03F3/45766—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction by using balancing means
    • H03F3/45771—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction by using balancing means using switching means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H03F3/45928—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit
    • H03F3/45968—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction
    • H03F3/45991—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection using IC blocks as the active amplifying circuit by offset reduction by using balancing means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/456—A scaled replica of a transistor being present in an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45044—One or more switches are opened or closed to balance the dif amp to reduce the offset of the dif amp
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45101—Control of the DC level being present
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45291—Indexing scheme relating to differential amplifiers the active amplifying circuit [AAC] comprising balancing means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45371—Indexing scheme relating to differential amplifiers the AAC comprising parallel coupled multiple transistors at their source and gate and drain or at their base and emitter and collector, e.g. in a cascode dif amp, only those forming the composite common source transistor or the composite common emitter transistor respectively
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45396—Indexing scheme relating to differential amplifiers the AAC comprising one or more switches

Abstract

一种稳压器以及电源，其中，稳压器包括运算放大器(21)以及失调电压控制模块(22)，运算放大器(21)具有输入端以及输出端，所述运算放大器(21)用于根据从所述输入端接入的基准电压(VREF)生成从输出端输出的输出电压(VOUT)；失调电压控制模块(22)，包括一级或并联的多级基于晶体管的调整支路，用于通过所述调整支路的选择控制所述运算放大器(21)的失调电压，以调整所述输出电压(VOUT)，由于失调电压调节模块(22)中的每一级调整支路基于晶体管结构，与现有技术中分压电阻相比，晶体管的功耗更低，从而降低了稳压器的功耗。

Description

PCT国内申请，说明书已公开。

Claims (17)

  1. PCT国内申请，权利要求书已公开。
CN201780002241.1A 2017-11-28 2017-11-28 稳压器以及电源 Active CN110100219B (zh)

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CN114356014A (zh) * 2021-11-22 2022-04-15 北京智芯微电子科技有限公司 低压基准电压产生电路及芯片
CN114461006A (zh) * 2022-01-17 2022-05-10 深圳市诚芯微科技股份有限公司 一种基准电压及倍压电路
CN115542987A (zh) * 2022-08-30 2022-12-30 北京思凌科半导体技术有限公司 Ldo电路、ldo电路控制方法及集成电路
CN116225142A (zh) * 2023-05-06 2023-06-06 上海灵动微电子股份有限公司 无电阻式带隙基准电压源、基准电压产生方法及集成电路

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CN110100219B (zh) * 2017-11-28 2021-09-10 深圳市汇顶科技股份有限公司 稳压器以及电源
US10514562B2 (en) * 2018-01-15 2019-12-24 Shenzhen China Star Optoelectronics Technology Co., Ltd. Amplifier for LCD and LCD
CN110794909B (zh) * 2019-11-05 2021-06-04 安徽大学 一种输出电压可调的超低功耗电压基准源电路
US11146262B1 (en) * 2020-07-16 2021-10-12 Xilinx, Inc. Low-noise reference voltage generator
CN112399676B (zh) * 2020-12-04 2023-08-29 欧普照明股份有限公司 恒流驱动电路及其校准方法与照明装置

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CN114356014A (zh) * 2021-11-22 2022-04-15 北京智芯微电子科技有限公司 低压基准电压产生电路及芯片
CN114356014B (zh) * 2021-11-22 2024-03-15 北京智芯微电子科技有限公司 低压基准电压产生电路及芯片
CN114461006A (zh) * 2022-01-17 2022-05-10 深圳市诚芯微科技股份有限公司 一种基准电压及倍压电路
CN115542987A (zh) * 2022-08-30 2022-12-30 北京思凌科半导体技术有限公司 Ldo电路、ldo电路控制方法及集成电路
CN116225142A (zh) * 2023-05-06 2023-06-06 上海灵动微电子股份有限公司 无电阻式带隙基准电压源、基准电压产生方法及集成电路

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US20190243402A1 (en) 2019-08-08
US20200174508A1 (en) 2020-06-04
WO2019104467A1 (zh) 2019-06-06
US10936001B2 (en) 2021-03-02
US10599173B2 (en) 2020-03-24
EP3518069A1 (en) 2019-07-31
CN110100219B (zh) 2021-09-10
EP3518069B1 (en) 2022-01-19
EP3518069A4 (en) 2020-03-25

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