KR101407924B1 - Ldo 전압 레귤레이터 - Google Patents
Ldo 전압 레귤레이터 Download PDFInfo
- Publication number
- KR101407924B1 KR101407924B1 KR1020087008376A KR20087008376A KR101407924B1 KR 101407924 B1 KR101407924 B1 KR 101407924B1 KR 1020087008376 A KR1020087008376 A KR 1020087008376A KR 20087008376 A KR20087008376 A KR 20087008376A KR 101407924 B1 KR101407924 B1 KR 101407924B1
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- South Korea
- Prior art keywords
- ldo
- voltage regulator
- regulator circuit
- voltage
- transistor
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- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 54
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000036039 immunity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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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
- G05F1/575—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
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- 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)
Abstract
Description
Claims (8)
- 삭제
- 삭제
- 삭제
- 삭제
- 공급 전압에 연결되는 LDO 전압 레귤레이터 회로; 및커패시터를 포함하는 피드백 보상 부품을 포함하고,상기 LDO 전압 레귤레이터 회로는 FET 트랜지스터와 전류원에 연결된 제1 트랜지스터 및 제2 저항기와 상기 커패시터에 연결된 제1 저항기를 포함하고,상기 커패시터는 제3 저항기와 제3 트랜지스터에 연결된 제2 트랜지스터에 연결되고,상기 제3 트랜지스터는 제4 저항기와 상기 제1 트랜지스터에 연결되고,상기 제4 저항기는 접지에 연결되며,상기 LDO 전압 레귤레이터 회로로부터 적어도 하나의 출력 전압을 생성하도록 적어도 하나의 입력 전압이 상기 LDO 전압 레귤레이터 회로에 입력되고,상기 피드백 보상 부품은 상기 LDO 전압 레귤레이터 회로와 일체화되고,상기 피드백 보상 부품은 상기 LDO 레귤레이터 회로 내에 위치되어, 상기 공급 전압과 관련된 고전압을 견디고 상기 LDO 전압 레귤레이터 회로로부터 상기 적어도 하나의 출력 전압을 생성하도록 상기 LDO 전압 레귤레이터 회로와 관련된 밀러 효과를 이용하는,LDO 전압 레귤레이터 장치.
- 제5항에 있어서,상기 전류원은 기동 전류를 생성하고, 상기 전류원은 상기 접지에 더 연결되는,LDO 전압 레귤레이터 장치.
- 공급 전압에 연결되는 LDO 전압 레귤레이터 회로; 및상기 LDO 전압 레귤레이터 회로와 일체화되는 피드백 보상 부품을 포함하고,상기 LDO 전압 레귤레이터 회로로부터 적어도 하나의 출력 전압을 생성하도록 적어도 하나의 입력 전압이 상기 LDO 전압 레귤레이터 회로에 입력되고,상기 피드백 보상 부품은 상기 LDO 레귤레이터 회로 내에 위치되어, 상기 공급 전압과 관련된 고전압을 견디고 상기 LDO 전압 레귤레이터 회로로부터 상기 적어도 하나의 출력 전압을 생성하도록 상기 LDO 전압 레귤레이터 회로와 관련된 밀러 효과를 이용하고,상기 피드백 보상 부품은 피드백 트랜지스터의 이미터로부터 상기 적어도 하나의 출력 전압이 제공되는 노드로 연결되고, 상기 노드는 부하 저항기와 병렬로 연결된 부하 커패시터를 포함하는 부하에 더 연결되고, 상기 부하 커패시터 및 상기 부하 저항기는 상기 적어도 하나의 출력 전압이 제공되는 상기 노드와 접지 사이에 연결되는,LDO 전압 레귤레이터 장치.
- 제7항에 있어서,상기 피드백 보상 부품은 커패시터를 포함하는,LDO 전압 레귤레이터 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/221,467 | 2005-09-07 | ||
US11/221,467 US7245115B2 (en) | 2005-09-07 | 2005-09-07 | Low drop out voltage regulator |
PCT/US2006/034521 WO2007030439A1 (en) | 2005-09-07 | 2006-09-05 | Low drop out voltage regulator |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080045268A KR20080045268A (ko) | 2008-05-22 |
KR101407924B1 true KR101407924B1 (ko) | 2014-06-17 |
Family
ID=37496986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087008376A Expired - Fee Related KR101407924B1 (ko) | 2005-09-07 | 2006-09-05 | Ldo 전압 레귤레이터 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7245115B2 (ko) |
EP (1) | EP1922598B1 (ko) |
KR (1) | KR101407924B1 (ko) |
CN (1) | CN101258457B (ko) |
WO (1) | WO2007030439A1 (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8174251B2 (en) * | 2007-09-13 | 2012-05-08 | Freescale Semiconductor, Inc. | Series regulator with over current protection circuit |
US7737676B2 (en) * | 2008-10-16 | 2010-06-15 | Freescale Semiconductor, Inc. | Series regulator circuit |
US8179108B2 (en) | 2009-08-02 | 2012-05-15 | Freescale Semiconductor, Inc. | Regulator having phase compensation circuit |
CN101847028B (zh) * | 2010-04-14 | 2012-03-28 | 广州市广晟微电子有限公司 | 一种超低功耗的动态补偿电路及应用该电路的线性调节器 |
CN102681577B (zh) * | 2011-03-15 | 2014-06-11 | 瑞昱半导体股份有限公司 | 具有交换式及线性电压调节模式的电压调节装置 |
CN102981544B (zh) * | 2012-11-23 | 2016-04-27 | 无锡中感微电子股份有限公司 | 嵌套式米勒补偿方法、电路和低压差稳压器 |
US9281741B2 (en) * | 2013-03-12 | 2016-03-08 | Taiwan Semiconductor Manufacturing Company Limited | Start-up circuit for voltage regulation circuit |
CN115437445B (zh) * | 2022-10-20 | 2023-12-15 | 群联电子股份有限公司 | 稳压电路模块、存储器存储装置及电压控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5563501A (en) * | 1995-01-20 | 1996-10-08 | Linfinity Microelectronics | Low voltage dropout circuit with compensating capacitance circuitry |
US6304131B1 (en) * | 2000-02-22 | 2001-10-16 | Texas Instruments Incorporated | High power supply ripple rejection internally compensated low drop-out voltage regulator using PMOS pass device |
US20030111986A1 (en) | 2001-12-19 | 2003-06-19 | Xiaoyu (Frank) Xi | Miller compensated nmos low drop-out voltage regulator using variable gain stage |
US6822514B1 (en) * | 2002-09-16 | 2004-11-23 | National Semiconductor Corporation | Amplifier with miller-effect compensation for use in closed loop system such as low dropout voltage regulator |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5631598A (en) | 1995-06-07 | 1997-05-20 | Analog Devices, Inc. | Frequency compensation for a low drop-out regulator |
US6225857B1 (en) * | 2000-02-08 | 2001-05-01 | Analog Devices, Inc. | Non-inverting driver circuit for low-dropout voltage regulator |
US6188212B1 (en) * | 2000-04-28 | 2001-02-13 | Burr-Brown Corporation | Low dropout voltage regulator circuit including gate offset servo circuit powered by charge pump |
US6201375B1 (en) * | 2000-04-28 | 2001-03-13 | Burr-Brown Corporation | Overvoltage sensing and correction circuitry and method for low dropout voltage regulator |
US6373233B2 (en) * | 2000-07-17 | 2002-04-16 | Philips Electronics No. America Corp. | Low-dropout voltage regulator with improved stability for all capacitive loads |
US6333623B1 (en) * | 2000-10-30 | 2001-12-25 | Texas Instruments Incorporated | Complementary follower output stage circuitry and method for low dropout voltage regulator |
US6621675B2 (en) * | 2001-02-02 | 2003-09-16 | Broadcom Corporation | High bandwidth, high PSRR, low dropout voltage regulator |
US6518737B1 (en) * | 2001-09-28 | 2003-02-11 | Catalyst Semiconductor, Inc. | Low dropout voltage regulator with non-miller frequency compensation |
US6522114B1 (en) * | 2001-12-10 | 2003-02-18 | Koninklijke Philips Electronics N.V. | Noise reduction architecture for low dropout voltage regulators |
EP1336912A1 (en) * | 2002-02-18 | 2003-08-20 | Motorola, Inc. | Low drop-out voltage regulator |
US6541946B1 (en) * | 2002-03-19 | 2003-04-01 | Texas Instruments Incorporated | Low dropout voltage regulator with improved power supply rejection ratio |
US6465994B1 (en) * | 2002-03-27 | 2002-10-15 | Texas Instruments Incorporated | Low dropout voltage regulator with variable bandwidth based on load current |
US6989659B2 (en) * | 2002-09-09 | 2006-01-24 | Acutechnology Semiconductor | Low dropout voltage regulator using a depletion pass transistor |
US7173402B2 (en) * | 2004-02-25 | 2007-02-06 | O2 Micro, Inc. | Low dropout voltage regulator |
-
2005
- 2005-09-07 US US11/221,467 patent/US7245115B2/en active Active
-
2006
- 2006-09-05 EP EP06790169.4A patent/EP1922598B1/en active Active
- 2006-09-05 WO PCT/US2006/034521 patent/WO2007030439A1/en active Application Filing
- 2006-09-05 KR KR1020087008376A patent/KR101407924B1/ko not_active Expired - Fee Related
- 2006-09-05 CN CN2006800327680A patent/CN101258457B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5563501A (en) * | 1995-01-20 | 1996-10-08 | Linfinity Microelectronics | Low voltage dropout circuit with compensating capacitance circuitry |
US6304131B1 (en) * | 2000-02-22 | 2001-10-16 | Texas Instruments Incorporated | High power supply ripple rejection internally compensated low drop-out voltage regulator using PMOS pass device |
US20030111986A1 (en) | 2001-12-19 | 2003-06-19 | Xiaoyu (Frank) Xi | Miller compensated nmos low drop-out voltage regulator using variable gain stage |
US6822514B1 (en) * | 2002-09-16 | 2004-11-23 | National Semiconductor Corporation | Amplifier with miller-effect compensation for use in closed loop system such as low dropout voltage regulator |
Also Published As
Publication number | Publication date |
---|---|
CN101258457B (zh) | 2013-02-06 |
CN101258457A (zh) | 2008-09-03 |
US20070052400A1 (en) | 2007-03-08 |
KR20080045268A (ko) | 2008-05-22 |
WO2007030439A1 (en) | 2007-03-15 |
US7245115B2 (en) | 2007-07-17 |
EP1922598A1 (en) | 2008-05-21 |
EP1922598B1 (en) | 2019-04-03 |
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