TWI801024B - 低功率低壓降調節器之控制電路及其控制方法 - Google Patents
低功率低壓降調節器之控制電路及其控制方法 Download PDFInfo
- Publication number
- TWI801024B TWI801024B TW110145755A TW110145755A TWI801024B TW I801024 B TWI801024 B TW I801024B TW 110145755 A TW110145755 A TW 110145755A TW 110145755 A TW110145755 A TW 110145755A TW I801024 B TWI801024 B TW I801024B
- Authority
- TW
- Taiwan
- Prior art keywords
- low
- controlling
- dropout regulator
- power
- controlling method
- Prior art date
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
- G05F1/468—Regulating voltage or current wherein the variable actually regulated by the final control device is dc characterised by reference voltage circuitry, e.g. soft start, remote shutdown
-
- 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
-
- 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
- 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
- G05F1/59—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 including plural semiconductor devices as final control devices for a single load
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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW110145755A TWI801024B (zh) | 2021-12-07 | 2021-12-07 | 低功率低壓降調節器之控制電路及其控制方法 |
US17/736,119 US11841722B2 (en) | 2021-12-07 | 2022-05-04 | Controlling circuit for low-power low dropout regulator and controlling method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW110145755A TWI801024B (zh) | 2021-12-07 | 2021-12-07 | 低功率低壓降調節器之控制電路及其控制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI801024B true TWI801024B (zh) | 2023-05-01 |
TW202324021A TW202324021A (zh) | 2023-06-16 |
Family
ID=86608605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW110145755A TWI801024B (zh) | 2021-12-07 | 2021-12-07 | 低功率低壓降調節器之控制電路及其控制方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US11841722B2 (zh) |
TW (1) | TWI801024B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI782780B (zh) * | 2021-11-05 | 2022-11-01 | 美商矽成積體電路股份有限公司 | 低功率雙資料速率記憶體之電源管理電路及其管理方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1848018A (zh) * | 2005-04-15 | 2006-10-18 | 矽创电子股份有限公司 | 快速回复的低压降线性稳压器 |
TW201013355A (en) * | 2008-09-25 | 2010-04-01 | Advanced Analog Technology Inc | Low drop out regulator with fast current limit |
TWI357204B (en) * | 2008-09-25 | 2012-01-21 | Advanced Analog Technology Inc | A low drop out regulator with over-current protect |
US20210034087A1 (en) * | 2019-07-30 | 2021-02-04 | Stmicroelectronics Asia Pacific Pte Ltd | Low drop-out (ldo) voltage regulator circuit |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9488999B2 (en) * | 2014-07-25 | 2016-11-08 | Aeroflex Colorado Springs Inc. | Voltage regulator for systems with a high dynamic current range |
US10199932B1 (en) * | 2017-10-12 | 2019-02-05 | Texas Instruments Incorporated | Precharge circuit using non-regulating output of an amplifier |
US11611316B2 (en) * | 2020-10-29 | 2023-03-21 | Psemi Corporation | Load regulation for LDO with low loop gain |
-
2021
- 2021-12-07 TW TW110145755A patent/TWI801024B/zh active
-
2022
- 2022-05-04 US US17/736,119 patent/US11841722B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1848018A (zh) * | 2005-04-15 | 2006-10-18 | 矽创电子股份有限公司 | 快速回复的低压降线性稳压器 |
TW201013355A (en) * | 2008-09-25 | 2010-04-01 | Advanced Analog Technology Inc | Low drop out regulator with fast current limit |
TWI357204B (en) * | 2008-09-25 | 2012-01-21 | Advanced Analog Technology Inc | A low drop out regulator with over-current protect |
US20210034087A1 (en) * | 2019-07-30 | 2021-02-04 | Stmicroelectronics Asia Pacific Pte Ltd | Low drop-out (ldo) voltage regulator circuit |
Also Published As
Publication number | Publication date |
---|---|
US20230176600A1 (en) | 2023-06-08 |
TW202324021A (zh) | 2023-06-16 |
US11841722B2 (en) | 2023-12-12 |
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