CN102478877A - 恒流电路以及基准电压电路 - Google Patents
恒流电路以及基准电压电路 Download PDFInfo
- Publication number
- CN102478877A CN102478877A CN2011103790997A CN201110379099A CN102478877A CN 102478877 A CN102478877 A CN 102478877A CN 2011103790997 A CN2011103790997 A CN 2011103790997A CN 201110379099 A CN201110379099 A CN 201110379099A CN 102478877 A CN102478877 A CN 102478877A
- Authority
- CN
- China
- Prior art keywords
- circuit
- terminal
- current
- constant
- transistor
- 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
Images
Classifications
-
- 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
- G05F3/26—Current mirrors
-
- 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
- G05F1/575—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 characterised by the feedback circuit
-
- 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
- G05F3/242—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 with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Nonlinear Science (AREA)
- Control Of Electrical Variables (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010261718A JP5706674B2 (ja) | 2010-11-24 | 2010-11-24 | 定電流回路及び基準電圧回路 |
JP2010-261718 | 2010-11-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102478877A true CN102478877A (zh) | 2012-05-30 |
CN102478877B CN102478877B (zh) | 2016-12-14 |
Family
ID=
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103618526A (zh) * | 2013-11-27 | 2014-03-05 | 苏州贝克微电子有限公司 | 一种高速恒流自动清零的cmos比较器 |
CN104375545A (zh) * | 2013-08-14 | 2015-02-25 | 奕力科技股份有限公司 | 带隙参考电压电路与其电子装置 |
CN104460801A (zh) * | 2014-11-25 | 2015-03-25 | 无锡中星微电子有限公司 | 电压调节器 |
TWI514106B (zh) * | 2014-03-11 | 2015-12-21 | Midastek Microelectronic Inc | 參考電源產生電路及應用其之電子電路 |
CN110941305A (zh) * | 2018-09-21 | 2020-03-31 | 艾普凌科有限公司 | 恒流电路 |
CN112994437A (zh) * | 2021-02-07 | 2021-06-18 | 成都方舟微电子有限公司 | 一种应用于开关电源的启动电路及功率集成器件 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7253597B2 (en) * | 2004-03-04 | 2007-08-07 | Analog Devices, Inc. | Curvature corrected bandgap reference circuit and method |
CN101349928A (zh) * | 2007-07-17 | 2009-01-21 | 台湾积体电路制造股份有限公司 | 超低电压次带隙电压参考产生器 |
US20090051341A1 (en) * | 2007-08-22 | 2009-02-26 | Faraday Technology Corporation | Bandgap reference circuit |
CN101561689A (zh) * | 2008-12-04 | 2009-10-21 | 西安电子科技大学 | 一种低压cmos电流源 |
CN101807088A (zh) * | 2009-02-18 | 2010-08-18 | 台湾积体电路制造股份有限公司 | 具有不受偏移电压影响的输出的带隙基准电路 |
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7253597B2 (en) * | 2004-03-04 | 2007-08-07 | Analog Devices, Inc. | Curvature corrected bandgap reference circuit and method |
CN101349928A (zh) * | 2007-07-17 | 2009-01-21 | 台湾积体电路制造股份有限公司 | 超低电压次带隙电压参考产生器 |
US20090051341A1 (en) * | 2007-08-22 | 2009-02-26 | Faraday Technology Corporation | Bandgap reference circuit |
CN101561689A (zh) * | 2008-12-04 | 2009-10-21 | 西安电子科技大学 | 一种低压cmos电流源 |
CN101807088A (zh) * | 2009-02-18 | 2010-08-18 | 台湾积体电路制造股份有限公司 | 具有不受偏移电压影响的输出的带隙基准电路 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104375545A (zh) * | 2013-08-14 | 2015-02-25 | 奕力科技股份有限公司 | 带隙参考电压电路与其电子装置 |
CN103618526A (zh) * | 2013-11-27 | 2014-03-05 | 苏州贝克微电子有限公司 | 一种高速恒流自动清零的cmos比较器 |
TWI514106B (zh) * | 2014-03-11 | 2015-12-21 | Midastek Microelectronic Inc | 參考電源產生電路及應用其之電子電路 |
US9268348B2 (en) | 2014-03-11 | 2016-02-23 | Midastek Microelectronic Inc. | Reference power generating circuit and electronic circuit using the same |
CN104460801A (zh) * | 2014-11-25 | 2015-03-25 | 无锡中星微电子有限公司 | 电压调节器 |
CN104460801B (zh) * | 2014-11-25 | 2016-03-09 | 无锡中感微电子股份有限公司 | 电压调节器 |
CN110941305A (zh) * | 2018-09-21 | 2020-03-31 | 艾普凌科有限公司 | 恒流电路 |
CN110941305B (zh) * | 2018-09-21 | 2022-11-15 | 艾普凌科有限公司 | 恒流电路 |
CN112994437A (zh) * | 2021-02-07 | 2021-06-18 | 成都方舟微电子有限公司 | 一种应用于开关电源的启动电路及功率集成器件 |
Also Published As
Publication number | Publication date |
---|---|
JP5706674B2 (ja) | 2015-04-22 |
US20120126873A1 (en) | 2012-05-24 |
KR101451468B1 (ko) | 2014-10-15 |
TW201235815A (en) | 2012-09-01 |
KR20120056222A (ko) | 2012-06-01 |
TWI564690B (zh) | 2017-01-01 |
JP2012113503A (ja) | 2012-06-14 |
US8476967B2 (en) | 2013-07-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101451468B1 (ko) | 정전류 회로 및 기준 전압 회로 | |
KR101507199B1 (ko) | 차동 증폭 회로 | |
KR20070009712A (ko) | 과전류 검출 회로 및 이것을 갖는 전원 장치 | |
CN103558891B (zh) | 低压差稳压器 | |
CN108075737A (zh) | 用于驱动电容性负载的低输出阻抗、高速高压电压生成器 | |
US20120001605A1 (en) | Differential amplifier circuit and series regulator | |
KR20130047658A (ko) | 정전류 회로 및 기준 전압 회로 | |
TW200919130A (en) | Voltage regulator | |
CN104426494B (zh) | 高速放大器 | |
US20110221406A1 (en) | Reference voltage generation circuit | |
KR20070087987A (ko) | 저전압 레귤레이티드 캐스코드 회로 및 이를 이용한 시모스아날로그 회로 | |
JP2012004627A (ja) | カレントミラー回路 | |
JP5576250B2 (ja) | 電圧測定装置 | |
KR101797769B1 (ko) | 정전류 회로 | |
EP2360547B1 (en) | Band gap reference circuit | |
KR101362474B1 (ko) | Cmos 서브밴드갭 기준발생기 | |
CN105929886B (zh) | 基准电压电路以及电子设备 | |
JP2012064009A (ja) | 電圧出力回路 | |
JP6045148B2 (ja) | 基準電流発生回路および基準電圧発生回路 | |
TWI396063B (zh) | 無esr電阻補償之低壓降線性穩壓器 | |
CN109582077B (zh) | 低耗电电源启动重设电路与参考信号电路 | |
KR100863529B1 (ko) | 연산 증폭기 회로 | |
CN102478877B (zh) | 恒流电路以及基准电压电路 | |
JP2020022103A (ja) | 差動増幅回路を備える装置 | |
TWI657249B (zh) | 電流感測電路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20160330 Address after: Chiba County, Japan Applicant after: DynaFine Semiconductor Co.,Ltd. Address before: Chiba County, Japan Applicant before: Seiko Instruments Inc. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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. |
|
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. |
|
CP02 | Change in the address of a patent holder |