CN104714585A - 稳压器 - Google Patents
稳压器 Download PDFInfo
- Publication number
- CN104714585A CN104714585A CN201410760313.7A CN201410760313A CN104714585A CN 104714585 A CN104714585 A CN 104714585A CN 201410760313 A CN201410760313 A CN 201410760313A CN 104714585 A CN104714585 A CN 104714585A
- Authority
- CN
- China
- Prior art keywords
- voltage
- transistor
- output
- terminal
- pass filter
- 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.)
- Granted
Links
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
- G05F1/565—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
-
- 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
- G05F1/562—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 with a threshold detection shunting the control path of the final control device
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-258394 | 2013-12-13 | ||
JP2013258394A JP6244194B2 (ja) | 2013-12-13 | 2013-12-13 | ボルテージレギュレータ |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104714585A true CN104714585A (zh) | 2015-06-17 |
CN104714585B CN104714585B (zh) | 2017-07-25 |
Family
ID=53368341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410760313.7A Active CN104714585B (zh) | 2013-12-13 | 2014-12-12 | 稳压器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9367074B2 (zh) |
JP (1) | JP6244194B2 (zh) |
KR (1) | KR102174295B1 (zh) |
CN (1) | CN104714585B (zh) |
TW (1) | TWI643050B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110297515A (zh) * | 2018-03-22 | 2019-10-01 | 艾普凌科有限公司 | 电压调节器 |
CN111817554A (zh) * | 2019-04-12 | 2020-10-23 | 罗姆股份有限公司 | 电源电路、电源装置以及车辆 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9704581B2 (en) * | 2014-12-27 | 2017-07-11 | Intel Corporation | Voltage ramping detection |
US9541934B2 (en) * | 2015-06-15 | 2017-01-10 | Richtek Technology Corporation | Linear regulator circuit |
CN105183064B (zh) * | 2015-10-09 | 2017-03-22 | 上海华虹宏力半导体制造有限公司 | Ldo电路 |
US10025334B1 (en) * | 2016-12-29 | 2018-07-17 | Nuvoton Technology Corporation | Reduction of output undershoot in low-current voltage regulators |
KR102347178B1 (ko) * | 2017-07-19 | 2022-01-04 | 삼성전자주식회사 | 기준 전압 회로를 포함하는 단말 장치 |
US10340790B1 (en) * | 2018-09-18 | 2019-07-02 | CoolStar Technology, Inc. | Integrated voltage correction using active bandpass clamp |
US10386877B1 (en) * | 2018-10-14 | 2019-08-20 | Nuvoton Technology Corporation | LDO regulator with output-drop recovery |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4744945B2 (ja) * | 2004-07-27 | 2011-08-10 | ローム株式会社 | レギュレータ回路 |
CN1740937A (zh) * | 2004-07-27 | 2006-03-01 | 罗姆股份有限公司 | 带有电压变动检测功能的调节器电路 |
JP4833652B2 (ja) * | 2005-12-08 | 2011-12-07 | ローム株式会社 | レギュレータ回路およびそれを搭載した自動車 |
US7675273B2 (en) * | 2007-09-28 | 2010-03-09 | Qualcomm Incorporated | Wideband low dropout voltage regulator |
JP5078866B2 (ja) * | 2008-12-24 | 2012-11-21 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP5331508B2 (ja) * | 2009-02-20 | 2013-10-30 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP2011186618A (ja) * | 2010-03-05 | 2011-09-22 | Renesas Electronics Corp | 定電圧出力回路 |
JP5527070B2 (ja) * | 2010-07-13 | 2014-06-18 | 株式会社リコー | 定電圧回路およびそれを用いた電子機器 |
CN102841624B (zh) * | 2011-06-24 | 2015-09-16 | 联咏科技股份有限公司 | 快速反应电流源 |
TWI441007B (zh) * | 2011-07-05 | 2014-06-11 | Holtek Semiconductor Inc | 無需外掛穩壓電容之低壓降穩壓器及其穩壓方法 |
-
2013
- 2013-12-13 JP JP2013258394A patent/JP6244194B2/ja active Active
-
2014
- 2014-11-04 TW TW103138198A patent/TWI643050B/zh active
- 2014-11-24 US US14/551,813 patent/US9367074B2/en active Active
- 2014-12-11 KR KR1020140178615A patent/KR102174295B1/ko active IP Right Grant
- 2014-12-12 CN CN201410760313.7A patent/CN104714585B/zh active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110297515A (zh) * | 2018-03-22 | 2019-10-01 | 艾普凌科有限公司 | 电压调节器 |
CN111817554A (zh) * | 2019-04-12 | 2020-10-23 | 罗姆股份有限公司 | 电源电路、电源装置以及车辆 |
CN111817554B (zh) * | 2019-04-12 | 2024-05-14 | 罗姆股份有限公司 | 电源电路、电源装置以及车辆 |
Also Published As
Publication number | Publication date |
---|---|
KR102174295B1 (ko) | 2020-11-04 |
TW201539168A (zh) | 2015-10-16 |
KR20150069542A (ko) | 2015-06-23 |
US20150168971A1 (en) | 2015-06-18 |
JP2015114984A (ja) | 2015-06-22 |
CN104714585B (zh) | 2017-07-25 |
TWI643050B (zh) | 2018-12-01 |
US9367074B2 (en) | 2016-06-14 |
JP6244194B2 (ja) | 2017-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20160307 Address after: Chiba County, Japan Applicant after: DynaFine Semiconductor Co.,Ltd. Address before: Chiba, Chiba, Japan Applicant before: Seiko Instruments Inc. |
|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Chiba County, Japan Patentee after: ABLIC Inc. Address before: Chiba County, Japan Patentee before: DynaFine Semiconductor Co.,Ltd. |
|
CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: Nagano Patentee after: ABLIC Inc. Address before: Chiba County, Japan Patentee before: ABLIC Inc. |