KR100578648B1 - 디씨-디씨 컨버터의 래치-업 방지회로 - Google Patents
디씨-디씨 컨버터의 래치-업 방지회로 Download PDFInfo
- Publication number
- KR100578648B1 KR100578648B1 KR1020040115903A KR20040115903A KR100578648B1 KR 100578648 B1 KR100578648 B1 KR 100578648B1 KR 1020040115903 A KR1020040115903 A KR 1020040115903A KR 20040115903 A KR20040115903 A KR 20040115903A KR 100578648 B1 KR100578648 B1 KR 100578648B1
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- South Korea
- Prior art keywords
- converter
- voltage
- latch
- input
- turned
- Prior art date
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
- H02M3/073—Charge pumps of the Schenkel-type
- H02M3/078—Charge pumps of the Schenkel-type with means for reducing the back bias effect, i.e. the effect which causes the threshold voltage of transistors to increase as more stages are added to the converters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Semiconductor Integrated Circuits (AREA)
- Dc-Dc Converters (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (4)
- 입력전압을 입력받아 양전압과 음전압을 각각 생성하는 제1 및 제2 디씨-디씨 컨버터가 하나의 칩 내에서 서로 결합되어 하나의 PNP 트랜지스터와 하나의 NPN 트랜지스터를 구성하여 이루어진 래치-업 발생부를 구비한 디씨-디씨 컨버터에 있어서,상기 양전압이 생성되는 시점에서 상기 입력전압이 입력되는 입력단과 상기 제1 디씨-디씨 컨버터 간에 상기 PNP 트랜지스터는 턴-온되고, 상기 NPN 트랜지스터는 턴-온되지 않는 범위 내의 전류가 유입되도록 입력전류의 크기를 제한하는 제1 경로부; 및상기 양전압과 상기 음전압이 목표치 전압까지 도달하는 시점에서 입력되는 상기 입력전류를 상기 제1 디씨-디씨 컨버터로 제한없이 그대로 유입시키는 제2 경로부;를 포함하는 디씨-디씨 컨버터의 래치-업 방지회로.
- 제 1 항에 있어서,상기 제1 경로부는 상기 양전압이 생성되는 시점에서 하이레벨에서 로우레벨로 천이하는 제1 신호에 의해 턴-온되어 상기 입력전류를 일정 크기로 제한하여 전달하는 PMOS 트랜지스터를 포함하는 디씨-디씨 컨버터의 래치-업 방지회로.
- 제 1 항에 있어서,상기 제1 경로부는 상기 PMOS 트랜지스터와 상기 제1 디씨-디씨 컨버터 간에 직렬접속되는 적어도 하나의 저항소자를 더 포함하는 디씨-디씨 컨버터의 래치-업 방지회로.
- 제 1 항 내지 제 3 항 중 어느 하나의 항에 있어서,상기 제2 경로부는 상기 양전압과 상기 음전압이 목표치 전압까지 도달하는 시점에서 하이레벨에서 로우레벨로 천이하는 제2 신호에 의해 턴-온되어 상기 입력전류를 제한없이 그대로 상기 제1 디씨-디씨 컨버터로 전달하는 PMOS 트랜지스터를 포함하는 디씨-디씨 컨버터의 래치-업 방지회로.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040115903A KR100578648B1 (ko) | 2004-12-30 | 2004-12-30 | 디씨-디씨 컨버터의 래치-업 방지회로 |
JP2005372917A JP5334359B2 (ja) | 2004-12-30 | 2005-12-26 | Dc−dcコンバータのラッチアップ防止回路 |
US11/321,952 US7385434B2 (en) | 2004-12-30 | 2005-12-28 | Circuit for preventing latch-up in DC-DC converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040115903A KR100578648B1 (ko) | 2004-12-30 | 2004-12-30 | 디씨-디씨 컨버터의 래치-업 방지회로 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100578648B1 true KR100578648B1 (ko) | 2006-05-11 |
Family
ID=36639645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040115903A KR100578648B1 (ko) | 2004-12-30 | 2004-12-30 | 디씨-디씨 컨버터의 래치-업 방지회로 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7385434B2 (ko) |
JP (1) | JP5334359B2 (ko) |
KR (1) | KR100578648B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110043941A (ko) * | 2009-10-22 | 2011-04-28 | 한양대학교 산학협력단 | 플래시 메모리의 바이어스 회로 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102230214B1 (ko) * | 2018-03-20 | 2021-03-22 | 칩원 테크놀로지(베이징) 컴퍼니 리미티드 | 래치업 방지 회로 및 집적 회로 |
CN108445819B (zh) | 2018-05-25 | 2020-05-05 | 无锡职业技术学院 | 一种抗闩锁效应单片机系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970871A (en) | 1974-02-19 | 1976-07-20 | Gte Automatic Electric Laboratories Incorporated | Negative DC to positive DC converter |
JPH0475116A (ja) * | 1990-07-18 | 1992-03-10 | Mitsubishi Electric Corp | 直流定電圧電源 |
JPH10117476A (ja) | 1996-10-11 | 1998-05-06 | Kyosan Electric Mfg Co Ltd | 整流装置 |
KR20050051772A (ko) * | 2003-11-28 | 2005-06-02 | 엘지전자 주식회사 | 디씨/디씨 컨버터에서의 저전압 차단회로 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2675638B2 (ja) * | 1989-09-27 | 1997-11-12 | 株式会社東芝 | 半導体集積回路 |
JP2557271B2 (ja) * | 1990-04-06 | 1996-11-27 | 三菱電機株式会社 | 内部降圧電源電圧を有する半導体装置における基板電圧発生回路 |
US5689209A (en) * | 1994-12-30 | 1997-11-18 | Siliconix Incorporated | Low-side bidirectional battery disconnect switch |
US5767733A (en) * | 1996-09-20 | 1998-06-16 | Integrated Device Technology, Inc. | Biasing circuit for reducing body effect in a bi-directional field effect transistor |
US6191615B1 (en) * | 1998-03-30 | 2001-02-20 | Nec Corporation | Logic circuit having reduced power consumption |
TW407256B (en) * | 1998-10-16 | 2000-10-01 | Samsung Electronics Co Ltd | Power supply apparatus of an LCD and voltage sequence control method |
US6377112B1 (en) * | 2000-12-05 | 2002-04-23 | Semiconductor Components Industries Llc | Circuit and method for PMOS device N-well bias control |
-
2004
- 2004-12-30 KR KR1020040115903A patent/KR100578648B1/ko active IP Right Grant
-
2005
- 2005-12-26 JP JP2005372917A patent/JP5334359B2/ja active Active
- 2005-12-28 US US11/321,952 patent/US7385434B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970871A (en) | 1974-02-19 | 1976-07-20 | Gte Automatic Electric Laboratories Incorporated | Negative DC to positive DC converter |
JPH0475116A (ja) * | 1990-07-18 | 1992-03-10 | Mitsubishi Electric Corp | 直流定電圧電源 |
JPH10117476A (ja) | 1996-10-11 | 1998-05-06 | Kyosan Electric Mfg Co Ltd | 整流装置 |
KR20050051772A (ko) * | 2003-11-28 | 2005-06-02 | 엘지전자 주식회사 | 디씨/디씨 컨버터에서의 저전압 차단회로 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110043941A (ko) * | 2009-10-22 | 2011-04-28 | 한양대학교 산학협력단 | 플래시 메모리의 바이어스 회로 |
KR101582691B1 (ko) | 2009-10-22 | 2016-01-08 | 한양대학교 산학협력단 | 플래시 메모리의 바이어스 회로 |
Also Published As
Publication number | Publication date |
---|---|
US7385434B2 (en) | 2008-06-10 |
JP2006191045A (ja) | 2006-07-20 |
US20060145671A1 (en) | 2006-07-06 |
JP5334359B2 (ja) | 2013-11-06 |
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