CN104423408B - 稳压器 - Google Patents
稳压器 Download PDFInfo
- Publication number
- CN104423408B CN104423408B CN201410422401.6A CN201410422401A CN104423408B CN 104423408 B CN104423408 B CN 104423408B CN 201410422401 A CN201410422401 A CN 201410422401A CN 104423408 B CN104423408 B CN 104423408B
- Authority
- CN
- China
- Prior art keywords
- current
- transistor
- circuit
- output
- voltage
- 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.)
- Expired - Fee Related
Links
- 230000004224 protection Effects 0.000 claims abstract description 32
- 230000005611 electricity Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/025—Current limitation using 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)
- Power Engineering (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013174842 | 2013-08-26 | ||
JP2013-174842 | 2013-08-26 | ||
JP2014139936A JP6342240B2 (ja) | 2013-08-26 | 2014-07-07 | ボルテージレギュレータ |
JP2014-139936 | 2014-07-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104423408A CN104423408A (zh) | 2015-03-18 |
CN104423408B true CN104423408B (zh) | 2017-03-29 |
Family
ID=52480170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410422401.6A Expired - Fee Related CN104423408B (zh) | 2013-08-26 | 2014-08-26 | 稳压器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9348350B2 (zh) |
JP (1) | JP6342240B2 (zh) |
KR (1) | KR20150024272A (zh) |
CN (1) | CN104423408B (zh) |
TW (1) | TWI628889B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6316632B2 (ja) * | 2014-03-25 | 2018-04-25 | エイブリック株式会社 | ボルテージレギュレータ |
JP6506133B2 (ja) * | 2015-08-10 | 2019-04-24 | エイブリック株式会社 | ボルテージレギュレータ |
JP6632358B2 (ja) * | 2015-12-11 | 2020-01-22 | エイブリック株式会社 | 増幅回路及びボルテージレギュレータ |
JP6986999B2 (ja) * | 2018-03-15 | 2021-12-22 | エイブリック株式会社 | ボルテージレギュレータ |
JP7031983B2 (ja) * | 2018-03-27 | 2022-03-08 | エイブリック株式会社 | ボルテージレギュレータ |
JP7126931B2 (ja) * | 2018-11-30 | 2022-08-29 | エイブリック株式会社 | 過熱保護回路及び半導体装置 |
US11258250B2 (en) * | 2018-12-04 | 2022-02-22 | Synaptics Incorporated | Over current protection with improved stability systems and methods |
TWI684091B (zh) * | 2019-01-31 | 2020-02-01 | 晶豪科技股份有限公司 | 限流器 |
CN112015220B (zh) * | 2019-05-29 | 2022-02-11 | 晶豪科技股份有限公司 | 限流器 |
JP7358214B2 (ja) * | 2019-11-22 | 2023-10-10 | 日清紡マイクロデバイス株式会社 | リニアレギュレータ |
US11726514B2 (en) * | 2021-04-27 | 2023-08-15 | Stmicroelectronics International N.V. | Active compensation circuit for a semiconductor regulator |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5578960A (en) * | 1992-09-30 | 1996-11-26 | Sharp Kabushiki Kaisha | Direct-current stabilizer |
CN101567628A (zh) * | 2008-02-15 | 2009-10-28 | 精工电子有限公司 | 稳压器 |
CN102645945A (zh) * | 2011-02-16 | 2012-08-22 | 精工电子有限公司 | 电压调节器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3782726B2 (ja) * | 2001-12-13 | 2006-06-07 | 株式会社リコー | 過電流保護回路 |
JP2004118411A (ja) * | 2002-09-25 | 2004-04-15 | Seiko Instruments Inc | ボルテージ・レギュレータ |
JP2006139673A (ja) * | 2004-11-15 | 2006-06-01 | Seiko Instruments Inc | ボルテージレギュレータ |
JP4614750B2 (ja) * | 2004-12-01 | 2011-01-19 | 富士通テン株式会社 | レギュレータ |
TWI379182B (en) * | 2008-10-13 | 2012-12-11 | Holtek Semiconductor Inc | Voltage regulator having active foldback current limiting circuit |
JP5580608B2 (ja) * | 2009-02-23 | 2014-08-27 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP5516320B2 (ja) * | 2010-10-21 | 2014-06-11 | ミツミ電機株式会社 | レギュレータ用半導体集積回路 |
JP5670773B2 (ja) * | 2011-02-01 | 2015-02-18 | セイコーインスツル株式会社 | ボルテージレギュレータ |
JP2012203673A (ja) * | 2011-03-25 | 2012-10-22 | Seiko Instruments Inc | ボルテージレギュレータ |
JP2013058093A (ja) * | 2011-09-08 | 2013-03-28 | Toshiba Corp | 定電圧電源回路 |
-
2014
- 2014-07-07 JP JP2014139936A patent/JP6342240B2/ja not_active Expired - Fee Related
- 2014-08-04 TW TW103126600A patent/TWI628889B/zh not_active IP Right Cessation
- 2014-08-21 KR KR20140108992A patent/KR20150024272A/ko active IP Right Grant
- 2014-08-21 US US14/465,327 patent/US9348350B2/en not_active Expired - Fee Related
- 2014-08-26 CN CN201410422401.6A patent/CN104423408B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5578960A (en) * | 1992-09-30 | 1996-11-26 | Sharp Kabushiki Kaisha | Direct-current stabilizer |
CN101567628A (zh) * | 2008-02-15 | 2009-10-28 | 精工电子有限公司 | 稳压器 |
CN102645945A (zh) * | 2011-02-16 | 2012-08-22 | 精工电子有限公司 | 电压调节器 |
Also Published As
Publication number | Publication date |
---|---|
US9348350B2 (en) | 2016-05-24 |
US20150055257A1 (en) | 2015-02-26 |
CN104423408A (zh) | 2015-03-18 |
TWI628889B (zh) | 2018-07-01 |
JP2015064866A (ja) | 2015-04-09 |
JP6342240B2 (ja) | 2018-06-13 |
KR20150024272A (ko) | 2015-03-06 |
TW201526439A (zh) | 2015-07-01 |
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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: 20160304 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 | ||
CB03 | Change of inventor or designer information |
Inventor after: Dong Wenjie Inventor after: Tatsuya Kawai Inventor before: Dong Wenjie |
|
COR | Change of bibliographic data | ||
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. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 |