KR100872067B1 - 전원 회로 - Google Patents

전원 회로 Download PDF

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Publication number
KR100872067B1
KR100872067B1 KR1020050030957A KR20050030957A KR100872067B1 KR 100872067 B1 KR100872067 B1 KR 100872067B1 KR 1020050030957 A KR1020050030957 A KR 1020050030957A KR 20050030957 A KR20050030957 A KR 20050030957A KR 100872067 B1 KR100872067 B1 KR 100872067B1
Authority
KR
South Korea
Prior art keywords
voltage
supply
circuit
transistor
power supply
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.)
Expired - Fee Related
Application number
KR1020050030957A
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English (en)
Korean (ko)
Other versions
KR20060045697A (ko
Inventor
신이치 가키우치
Original Assignee
호야 가부시키가이샤
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Publication date
Application filed by 호야 가부시키가이샤 filed Critical 호야 가부시키가이샤
Publication of KR20060045697A publication Critical patent/KR20060045697A/ko
Application granted granted Critical
Publication of KR100872067B1 publication Critical patent/KR100872067B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G05F1/577—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 for plural loads
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Dc-Dc Converters (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Logic Circuits (AREA)
KR1020050030957A 2004-04-21 2005-04-14 전원 회로 Expired - Fee Related KR100872067B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2004-00125829 2004-04-21
JP2004125829A JP4530709B2 (ja) 2004-04-21 2004-04-21 一定電圧を供給可能な電源回路

Publications (2)

Publication Number Publication Date
KR20060045697A KR20060045697A (ko) 2006-05-17
KR100872067B1 true KR100872067B1 (ko) 2008-12-05

Family

ID=35135771

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050030957A Expired - Fee Related KR100872067B1 (ko) 2004-04-21 2005-04-14 전원 회로

Country Status (5)

Country Link
US (1) US7166932B2 (enExample)
JP (1) JP4530709B2 (enExample)
KR (1) KR100872067B1 (enExample)
CN (1) CN100472384C (enExample)
TW (1) TWI320255B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200919917A (en) * 2007-10-19 2009-05-01 Syspotek Corp Power supply device with voltage conversion circuit
JP6236746B2 (ja) * 2014-02-19 2017-11-29 リコーイメージング株式会社 電圧変換回路、ストロボ装置、撮影装置およびサージ電圧低減方法
CN112135394B (zh) * 2020-10-22 2025-07-01 深圳尚莱特照明技术有限公司 一种可升压降压的恒流led驱动电路

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323171A (en) * 1989-05-26 1994-06-21 Seiko Epson Corporation Power circuit
KR950025774A (ko) * 1994-02-28 1995-09-18 기다오까 다까시 더 안정된 기준 전위를 발생하는 기준 전위 발생회로, 검출된 전위가 소정의 레벨에 도달해 있는지의 여부를 판정하는 전위 검출회로 및 이것을 구비한 반도체 집적회로 장치
KR0161035B1 (ko) * 1992-07-23 1999-03-20 사또오 후미오 반도체 집적 회로
KR19990030005A (ko) * 1997-09-22 1999-04-26 가네꼬 히사시 저전압 전원용 반도체 장치
KR19990056915A (ko) * 1997-12-29 1999-07-15 유기범 이동단말기에서의 일정한 배터리전원 공급장치
KR20000010508A (ko) * 1998-07-21 2000-02-15 아끼구사 나오유끼 반도체 장치_
KR20000070087A (ko) * 1997-11-13 2000-11-25 야스카와 히데아키 반도체 집적 회로, 동작 상태 검출기 및 전자 기기

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247694A (en) * 1975-10-15 1977-04-15 Nippon Telegr & Teleph Corp <Ntt> Solar cell power supply device
JPS63168512U (enExample) * 1987-04-15 1988-11-02
US5049805A (en) * 1990-05-25 1991-09-17 International Business Machines Corporation Voltage sensitive switch
JPH0543787U (ja) * 1991-11-13 1993-06-11 三洋電機株式会社 電子機器の電源装置
JPH07104015A (ja) 1993-10-01 1995-04-21 Mitsubishi Electric Corp 電圧検知回路
JP3198215B2 (ja) * 1994-06-17 2001-08-13 キヤノン株式会社 スイッチング電源装置およびその電力供給方法
JPH118932A (ja) * 1997-06-13 1999-01-12 Dx Antenna Co Ltd 電気二重層コンデンサによって駆動される装置
JP3863663B2 (ja) * 1998-06-12 2006-12-27 三洋電機株式会社 増幅回路
JP2001125009A (ja) 1999-10-28 2001-05-11 Asahi Optical Co Ltd 内視鏡装置
JP3679681B2 (ja) 2000-04-05 2005-08-03 ペンタックス株式会社 電源装置及び電気二重層コンデンサの充電方法
JP3947906B2 (ja) 2001-08-30 2007-07-25 株式会社日立製作所 バックアップ電源と電源装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323171A (en) * 1989-05-26 1994-06-21 Seiko Epson Corporation Power circuit
KR0161035B1 (ko) * 1992-07-23 1999-03-20 사또오 후미오 반도체 집적 회로
KR950025774A (ko) * 1994-02-28 1995-09-18 기다오까 다까시 더 안정된 기준 전위를 발생하는 기준 전위 발생회로, 검출된 전위가 소정의 레벨에 도달해 있는지의 여부를 판정하는 전위 검출회로 및 이것을 구비한 반도체 집적회로 장치
KR19990030005A (ko) * 1997-09-22 1999-04-26 가네꼬 히사시 저전압 전원용 반도체 장치
KR20000070087A (ko) * 1997-11-13 2000-11-25 야스카와 히데아키 반도체 집적 회로, 동작 상태 검출기 및 전자 기기
KR19990056915A (ko) * 1997-12-29 1999-07-15 유기범 이동단말기에서의 일정한 배터리전원 공급장치
KR20000010508A (ko) * 1998-07-21 2000-02-15 아끼구사 나오유끼 반도체 장치_

Also Published As

Publication number Publication date
TW200616302A (en) 2006-05-16
CN100472384C (zh) 2009-03-25
US20050237043A1 (en) 2005-10-27
US7166932B2 (en) 2007-01-23
TWI320255B (en) 2010-02-01
JP4530709B2 (ja) 2010-08-25
KR20060045697A (ko) 2006-05-17
JP2005312183A (ja) 2005-11-04
CN1690906A (zh) 2005-11-02

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