CN102778914B - 电压调节器 - Google Patents

电压调节器 Download PDF

Info

Publication number
CN102778914B
CN102778914B CN201210143180.XA CN201210143180A CN102778914B CN 102778914 B CN102778914 B CN 102778914B CN 201210143180 A CN201210143180 A CN 201210143180A CN 102778914 B CN102778914 B CN 102778914B
Authority
CN
China
Prior art keywords
circuit
transistor
voltage
output
reference 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.)
Active
Application number
CN201210143180.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN102778914A (zh
Inventor
坂口薰
井村多加志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ablic Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of CN102778914A publication Critical patent/CN102778914A/zh
Application granted granted Critical
Publication of CN102778914B publication Critical patent/CN102778914B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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

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)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
CN201210143180.XA 2011-05-12 2012-05-10 电压调节器 Active CN102778914B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-107610 2011-05-12
JP2011107610A JP5806853B2 (ja) 2011-05-12 2011-05-12 ボルテージレギュレータ

Publications (2)

Publication Number Publication Date
CN102778914A CN102778914A (zh) 2012-11-14
CN102778914B true CN102778914B (zh) 2015-09-02

Family

ID=47123847

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210143180.XA Active CN102778914B (zh) 2011-05-12 2012-05-10 电压调节器

Country Status (5)

Country Link
US (1) US9110487B2 (enExample)
JP (1) JP5806853B2 (enExample)
KR (1) KR101771725B1 (enExample)
CN (1) CN102778914B (enExample)
TW (1) TWI529512B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6250418B2 (ja) * 2013-05-23 2017-12-20 エスアイアイ・セミコンダクタ株式会社 ボルテージレギュレータ
TWI503954B (zh) * 2014-01-29 2015-10-11 Winbond Electronics Corp 半導體裝置
US9317053B2 (en) 2014-04-28 2016-04-19 Winbond Electronics Corp. Voltage regulator for a flash memory
JP6416638B2 (ja) * 2015-01-21 2018-10-31 エイブリック株式会社 ボルテージレギュレータ
US9817415B2 (en) * 2015-07-15 2017-11-14 Qualcomm Incorporated Wide voltage range low drop-out regulators
JP6663103B2 (ja) * 2015-08-24 2020-03-11 ミツミ電機株式会社 レギュレータ用半導体集積回路
CN107086778B (zh) * 2016-02-16 2020-09-25 世意法（北京）半导体研发有限责任公司 降压调节器的低功率待机模式
JP7008523B2 (ja) * 2018-02-05 2022-01-25 エイブリック株式会社 過電流制限回路、過電流制限方法及び電源回路
JP7479765B2 (ja) * 2020-08-21 2024-05-09 エイブリック株式会社 基準電圧回路
CN112491012B (zh) * 2021-02-03 2021-04-16 四川蕊源集成电路科技有限公司 一种限流双保护电路及电路的限流双保护方法
CN114879803B (zh) * 2022-05-24 2023-07-04 西安微电子技术研究所 一种ldo的限流保护电路结构
CN116185122B (zh) * 2023-03-17 2024-08-13 成都华微电子科技股份有限公司 负相输出电压高电源抑制比的线性稳压器

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1497405A (zh) * 2002-09-25 2004-05-19 精工电子有限公司 电压调节器
JP2005293067A (ja) * 2004-03-31 2005-10-20 Seiko Instruments Inc ボルテージレギュレータ
CN200953102Y (zh) * 2006-03-30 2007-09-26 武汉理工大学 通用型电子式汽车电压调节器
CN101329587A (zh) * 2007-06-21 2008-12-24 精工电子有限公司 电压调节器
CN101782785A (zh) * 2008-12-24 2010-07-21 精工电子有限公司 电压调节器
CN101813958A (zh) * 2009-02-25 2010-08-25 联发科技股份有限公司 低压降稳压器以及于稳压器中提供过流保护的电路及其方法
CN101813957A (zh) * 2009-02-23 2010-08-25 精工电子有限公司 电压调节器
CN102033560A (zh) * 2009-09-15 2011-04-27 精工电子有限公司 电压调节器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5191278A (en) * 1991-10-23 1993-03-02 International Business Machines Corporation High bandwidth low dropout linear regulator
US6452766B1 (en) * 2000-10-30 2002-09-17 National Semiconductor Corporation Over-current protection circuit
JP3782726B2 (ja) 2001-12-13 2006-06-07 株式会社リコー 過電流保護回路
JP4010893B2 (ja) * 2002-07-08 2007-11-21 ローム株式会社 電流制限機能付き安定化電源装置
JP3983612B2 (ja) * 2002-07-08 2007-09-26 ローム株式会社 電流制限機能付き安定化電源装置
DE10249162B4 (de) * 2002-10-22 2007-10-31 Texas Instruments Deutschland Gmbh Spannungsregler
JP4125774B2 (ja) 2003-01-08 2008-07-30 株式会社リコー 定電圧回路
US7215103B1 (en) * 2004-12-22 2007-05-08 National Semiconductor Corporation Power conservation by reducing quiescent current in low power and standby modes
US7602162B2 (en) * 2005-11-29 2009-10-13 Stmicroelectronics Pvt. Ltd. Voltage regulator with over-current protection
US8294441B2 (en) * 2006-11-13 2012-10-23 Decicon, Inc. Fast low dropout voltage regulator circuit
JP4855913B2 (ja) 2006-12-01 2012-01-18 セイコーインスツル株式会社 ボルテージレギュレータ
US8174251B2 (en) * 2007-09-13 2012-05-08 Freescale Semiconductor, Inc. Series regulator with over current protection circuit
JP5047815B2 (ja) * 2008-01-11 2012-10-10 株式会社リコー 過電流保護回路及びその過電流保護回路を備えた定電圧回路
JP2009278797A (ja) * 2008-05-15 2009-11-26 Panasonic Corp 昇圧コンバータ
JP5279544B2 (ja) * 2009-02-17 2013-09-04 セイコーインスツル株式会社 ボルテージレギュレータ
JP5558964B2 (ja) * 2009-09-30 2014-07-23 セイコーインスツル株式会社 ボルテージレギュレータ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1497405A (zh) * 2002-09-25 2004-05-19 精工电子有限公司 电压调节器
JP2005293067A (ja) * 2004-03-31 2005-10-20 Seiko Instruments Inc ボルテージレギュレータ
CN200953102Y (zh) * 2006-03-30 2007-09-26 武汉理工大学 通用型电子式汽车电压调节器
CN101329587A (zh) * 2007-06-21 2008-12-24 精工电子有限公司 电压调节器
CN101782785A (zh) * 2008-12-24 2010-07-21 精工电子有限公司 电压调节器
CN101813957A (zh) * 2009-02-23 2010-08-25 精工电子有限公司 电压调节器
CN101813958A (zh) * 2009-02-25 2010-08-25 联发科技股份有限公司 低压降稳压器以及于稳压器中提供过流保护的电路及其方法
CN102033560A (zh) * 2009-09-15 2011-04-27 精工电子有限公司 电压调节器

Also Published As

Publication number Publication date
KR20120127275A (ko) 2012-11-21
TWI529512B (zh) 2016-04-11
US20120286751A1 (en) 2012-11-15
CN102778914A (zh) 2012-11-14
TW201303544A (zh) 2013-01-16
JP5806853B2 (ja) 2015-11-10
US9110487B2 (en) 2015-08-18
JP2012238233A (ja) 2012-12-06
KR101771725B1 (ko) 2017-08-25

Similar Documents

Publication Publication Date Title
CN102778914B (zh) 电压调节器
KR20110035942A (ko) 전압 조정기
CN105393184B (zh) 稳压器
US7995319B2 (en) Semiconductor device with overcurrent protection circuit
JP6211887B2 (ja) ボルテージレギュレータ
JP7061837B2 (ja) 無線給電装置、無線受電装置、無線電力伝送システム、及び無線給電装置の電流測定方法
JP2009193414A (ja) ボルテージレギュレータ
US9748789B2 (en) Charging/discharging control circuit, charging/discharging control device, and battery device
KR20070009712A (ko) 과전류 검출 회로 및 이것을 갖는 전원 장치
CN102622033A (zh) 电压调节器
CN108693916B (zh) 过电流保护电路以及电压调节器
CN115145346B (zh) 带隙基准电路
TW201611465A (zh) 充放電控制電路及電池裝置
CN104423408A (zh) 稳压器
CN110275566A (zh) 电压调节器
CN103997334A (zh) 电平转换电路
TWI672572B (zh) 電壓調節器
TWI629843B (zh) 電流限制電路、過電流檢測系統及電流限制電路中的操作的方法
CN114365368A (zh) 过电流保护电路
JP6658269B2 (ja) 過電流検出回路
CN113031694A (zh) 一种低功耗的低压差线性稳压器及其控制电路
TW201607207A (zh) 充放電控制電路及電池裝置
CN223666036U (zh) 保护电路、数字输入接收器电路和数字输入接收器芯片
US20200389008A1 (en) Over-current protection circuit
US9465055B2 (en) Electronic circuit and method for measuring a load current

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160310

Address after: Chiba County, Japan

Patentee after: DynaFine Semiconductor Co.,Ltd.

Address before: Chiba, Chiba, Japan

Patentee before: Seiko Instruments Inc.

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.