CN102778914A - 电压调节器 - Google Patents
电压调节器 Download PDFInfo
- Publication number
- CN102778914A CN102778914A CN201210143180XA CN201210143180A CN102778914A CN 102778914 A CN102778914 A CN 102778914A CN 201210143180X A CN201210143180X A CN 201210143180XA CN 201210143180 A CN201210143180 A CN 201210143180A CN 102778914 A CN102778914 A CN 102778914A
- 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.)
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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
-
- 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
- G05F1/565—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
- G05F1/567—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 temperature compensation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
- H02H7/205—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment for controlled semi-conductors which are not included in a specific circuit arrangement
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011107610A JP5806853B2 (ja) | 2011-05-12 | 2011-05-12 | ボルテージレギュレータ |
JP2011-107610 | 2011-05-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102778914A true CN102778914A (zh) | 2012-11-14 |
CN102778914B 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 (zh) |
JP (1) | JP5806853B2 (zh) |
KR (1) | KR101771725B1 (zh) |
CN (1) | CN102778914B (zh) |
TW (1) | TWI529512B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104181966A (zh) * | 2013-05-23 | 2014-12-03 | 精工电子有限公司 | 稳压器 |
CN105807839A (zh) * | 2015-01-21 | 2016-07-27 | 精工半导体有限公司 | 稳压器 |
CN106484017A (zh) * | 2015-08-24 | 2017-03-08 | 三美电机株式会社 | 稳压器用半导体集成电路 |
CN107850910A (zh) * | 2015-07-15 | 2018-03-27 | 高通股份有限公司 | 宽电压范围低压差调节器 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
Citations (9)
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---|---|---|---|---|
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 |
US20090285003A1 (en) * | 2008-05-15 | 2009-11-19 | Takuya Ishii | Boost converter |
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 |
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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 |
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 |
-
2011
- 2011-05-12 JP JP2011107610A patent/JP5806853B2/ja active Active
-
2012
- 2012-04-13 TW TW101113201A patent/TWI529512B/zh active
- 2012-05-02 US US13/462,440 patent/US9110487B2/en active Active
- 2012-05-10 KR KR1020120049671A patent/KR101771725B1/ko active IP Right Grant
- 2012-05-10 CN CN201210143180.XA patent/CN102778914B/zh active Active
Patent Citations (9)
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 |
US20090285003A1 (en) * | 2008-05-15 | 2009-11-19 | Takuya Ishii | Boost converter |
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 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104181966A (zh) * | 2013-05-23 | 2014-12-03 | 精工电子有限公司 | 稳压器 |
CN105807839A (zh) * | 2015-01-21 | 2016-07-27 | 精工半导体有限公司 | 稳压器 |
CN105807839B (zh) * | 2015-01-21 | 2018-06-15 | 艾普凌科有限公司 | 稳压器 |
TWI683511B (zh) * | 2015-01-21 | 2020-01-21 | 日商艾普凌科有限公司 | 電壓調節器 |
CN107850910A (zh) * | 2015-07-15 | 2018-03-27 | 高通股份有限公司 | 宽电压范围低压差调节器 |
CN106484017A (zh) * | 2015-08-24 | 2017-03-08 | 三美电机株式会社 | 稳压器用半导体集成电路 |
Also Published As
Publication number | Publication date |
---|---|
CN102778914B (zh) | 2015-09-02 |
KR20120127275A (ko) | 2012-11-21 |
JP5806853B2 (ja) | 2015-11-10 |
TW201303544A (zh) | 2013-01-16 |
TWI529512B (zh) | 2016-04-11 |
US20120286751A1 (en) | 2012-11-15 |
JP2012238233A (ja) | 2012-12-06 |
US9110487B2 (en) | 2015-08-18 |
KR101771725B1 (ko) | 2017-08-25 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
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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. |
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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. |
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CP01 | Change in the name or title 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. |
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CP02 | Change in the address of a patent holder |