CN109992036B - 应用ldo电路的芯片及电子设备 - Google Patents
应用ldo电路的芯片及电子设备 Download PDFInfo
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- CN109992036B CN109992036B CN201910352218.6A CN201910352218A CN109992036B CN 109992036 B CN109992036 B CN 109992036B CN 201910352218 A CN201910352218 A CN 201910352218A CN 109992036 B CN109992036 B CN 109992036B
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- field effect
- effect transistor
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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
- G05F1/461—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using an operational amplifier as final control device
-
- 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
- G05F1/565—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
- G05F1/573—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 sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection with overcurrent detector
Abstract
Description
Claims (9)
Priority Applications (1)
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CN201910352218.6A CN109992036B (zh) | 2019-04-28 | 2019-04-28 | 应用ldo电路的芯片及电子设备 |
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CN201910352218.6A CN109992036B (zh) | 2019-04-28 | 2019-04-28 | 应用ldo电路的芯片及电子设备 |
Publications (2)
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CN109992036A CN109992036A (zh) | 2019-07-09 |
CN109992036B true CN109992036B (zh) | 2021-05-25 |
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CN201910352218.6A Active CN109992036B (zh) | 2019-04-28 | 2019-04-28 | 应用ldo电路的芯片及电子设备 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111474975B (zh) * | 2020-05-18 | 2021-08-31 | 成都市易冲半导体有限公司 | 一种ldo的输出电流采样电路及采样精度调整方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101840241A (zh) * | 2010-03-30 | 2010-09-22 | 北京中星微电子有限公司 | 一种差分电流采样电路及线性调压器 |
CN105700601A (zh) * | 2014-11-24 | 2016-06-22 | 深圳市中兴微电子技术有限公司 | 一种ldo线性稳压器 |
CN107526388A (zh) * | 2016-06-22 | 2017-12-29 | 上海和辉光电有限公司 | 低压差线性稳压器 |
CN108235744A (zh) * | 2017-12-19 | 2018-06-29 | 深圳市汇顶科技股份有限公司 | 低压差线性稳压电路 |
CN108345341A (zh) * | 2017-12-27 | 2018-07-31 | 思瑞浦微电子科技(苏州)股份有限公司 | 一种自适应增强电源抑制的线性稳压器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2256578A1 (fr) * | 2009-05-15 | 2010-12-01 | STMicroelectronics (Grenoble 2) SAS | Régulateur de tension à faible tension de dechet et faible courant de repos |
CN106292824B (zh) * | 2015-06-29 | 2017-11-24 | 展讯通信(上海)有限公司 | 低压差稳压器电路 |
CN105334900B (zh) * | 2015-11-19 | 2016-11-30 | 成都华微电子科技有限公司 | 快速瞬态响应低压差线性稳压器 |
US10838446B2 (en) * | 2016-02-29 | 2020-11-17 | Skyworks Solutions, Inc. | Low leakage current switch controller |
CN106774595A (zh) * | 2017-01-09 | 2017-05-31 | 电子科技大学 | 一种用于低压差线性稳压器的过流保护电路 |
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 |
CN207717286U (zh) * | 2018-01-22 | 2018-08-10 | 宁波琻捷电子科技有限公司 | 校准驱动电路和校准系统 |
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2019
- 2019-04-28 CN CN201910352218.6A patent/CN109992036B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101840241A (zh) * | 2010-03-30 | 2010-09-22 | 北京中星微电子有限公司 | 一种差分电流采样电路及线性调压器 |
CN105700601A (zh) * | 2014-11-24 | 2016-06-22 | 深圳市中兴微电子技术有限公司 | 一种ldo线性稳压器 |
CN107526388A (zh) * | 2016-06-22 | 2017-12-29 | 上海和辉光电有限公司 | 低压差线性稳压器 |
CN108235744A (zh) * | 2017-12-19 | 2018-06-29 | 深圳市汇顶科技股份有限公司 | 低压差线性稳压电路 |
CN108345341A (zh) * | 2017-12-27 | 2018-07-31 | 思瑞浦微电子科技(苏州)股份有限公司 | 一种自适应增强电源抑制的线性稳压器 |
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Address after: Room 101, floor 10, building B, Chuangzhi building, No. 17, Xinghuo Road, Jiangbei new district, Nanjing, Jiangsu Province, 210032 Applicant after: Nanjing yingruichuang Electronic Technology Co.,Ltd. Address before: 315000 room 262, Binhai four road, Hangzhou Bay New District, Ningbo, Zhejiang, 312-07 Applicant before: NINGBO SENASIC ELECTRONIC TECHNOLOGY CO.,LTD. |
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Denomination of invention: Chips and electronic equipment using LDO circuits Effective date of registration: 20220823 Granted publication date: 20210525 Pledgee: Bank of China Limited Nanjing Jiangbei New Area Branch Pledgor: Nanjing yingruichuang Electronic Technology Co.,Ltd. Registration number: Y2022980013303 |
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Date of cancellation: 20230804 Granted publication date: 20210525 Pledgee: Bank of China Limited Nanjing Jiangbei New Area Branch Pledgor: Nanjing yingruichuang Electronic Technology Co.,Ltd. Registration number: Y2022980013303 |