EP4194991A4 - Transient boost circuit for ldo, chip system and device - Google Patents
Transient boost circuit for ldo, chip system and device Download PDFInfo
- Publication number
- EP4194991A4 EP4194991A4 EP20950683.1A EP20950683A EP4194991A4 EP 4194991 A4 EP4194991 A4 EP 4194991A4 EP 20950683 A EP20950683 A EP 20950683A EP 4194991 A4 EP4194991 A4 EP 4194991A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- ldo
- boost circuit
- chip system
- transient boost
- transient
- 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.)
- Pending
Links
- 230000001052 transient effect Effects 0.000 title 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
- G05F1/575—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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2020/111524 WO2022041011A1 (en) | 2020-08-26 | 2020-08-26 | Transient boost circuit for ldo, chip system and device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4194991A1 EP4194991A1 (en) | 2023-06-14 |
EP4194991A4 true EP4194991A4 (en) | 2023-09-27 |
Family
ID=80352315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20950683.1A Pending EP4194991A4 (en) | 2020-08-26 | 2020-08-26 | Transient boost circuit for ldo, chip system and device |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4194991A4 (en) |
CN (1) | CN115668092A (en) |
WO (1) | WO2022041011A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115525087B (en) * | 2022-03-29 | 2023-06-27 | 南京市智凌芯科技股份有限公司 | Quick response low dropout linear voltage regulator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101048205B1 (en) * | 2002-07-31 | 2011-07-08 | 페어차일드 세미컨덕터 코포레이션 | Capacitively Coupled Current Boost Circuit for Integrated Voltage Regulators |
US20170242449A1 (en) * | 2016-02-22 | 2017-08-24 | Mediatek Singapore Pte. Ltd. | Low-dropout linear regulator |
US10545523B1 (en) * | 2018-10-25 | 2020-01-28 | Qualcomm Incorporated | Adaptive gate-biased field effect transistor for low-dropout regulator |
DE102018129910A1 (en) * | 2018-11-27 | 2020-05-28 | Intel Corporation | Concept for a buffered inverted voltage follower and for a voltage regulator with a low dropout |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7221213B2 (en) * | 2005-08-08 | 2007-05-22 | Aimtron Technology Corp. | Voltage regulator with prevention from overvoltage at load transients |
CN102722207B (en) * | 2012-05-28 | 2014-08-20 | 华为技术有限公司 | Low dropout regulator (LDO) |
CN107102666A (en) * | 2016-02-22 | 2017-08-29 | 联发科技(新加坡)私人有限公司 | Low pressure difference linear voltage regulator |
CN106774580B (en) * | 2017-01-19 | 2018-06-22 | 武汉众为信息技术有限公司 | A kind of LDO circuit of fast transient response high PSRR |
CN110162130B (en) * | 2019-05-08 | 2020-06-02 | 宁波大学 | LDO circuit with enhanced power supply rejection ratio and transient response |
-
2020
- 2020-08-26 EP EP20950683.1A patent/EP4194991A4/en active Pending
- 2020-08-26 WO PCT/CN2020/111524 patent/WO2022041011A1/en unknown
- 2020-08-26 CN CN202080101677.8A patent/CN115668092A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101048205B1 (en) * | 2002-07-31 | 2011-07-08 | 페어차일드 세미컨덕터 코포레이션 | Capacitively Coupled Current Boost Circuit for Integrated Voltage Regulators |
US20170242449A1 (en) * | 2016-02-22 | 2017-08-24 | Mediatek Singapore Pte. Ltd. | Low-dropout linear regulator |
US10545523B1 (en) * | 2018-10-25 | 2020-01-28 | Qualcomm Incorporated | Adaptive gate-biased field effect transistor for low-dropout regulator |
DE102018129910A1 (en) * | 2018-11-27 | 2020-05-28 | Intel Corporation | Concept for a buffered inverted voltage follower and for a voltage regulator with a low dropout |
Also Published As
Publication number | Publication date |
---|---|
CN115668092A (en) | 2023-01-31 |
WO2022041011A1 (en) | 2022-03-03 |
EP4194991A1 (en) | 2023-06-14 |
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Legal Events
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Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20230307 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: G05F0001560000 Ipc: G05F0001575000 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20230824 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: G05F 1/575 20060101AFI20230818BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |