JP3712064B2 - 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路 - Google Patents

出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路 Download PDF

Info

Publication number
JP3712064B2
JP3712064B2 JP2002133292A JP2002133292A JP3712064B2 JP 3712064 B2 JP3712064 B2 JP 3712064B2 JP 2002133292 A JP2002133292 A JP 2002133292A JP 2002133292 A JP2002133292 A JP 2002133292A JP 3712064 B2 JP3712064 B2 JP 3712064B2
Authority
JP
Japan
Prior art keywords
voltage
circuit
output
switching transistor
duty ratio
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
JP2002133292A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003324948A (ja
JP2003324948A5 (enExample
Inventor
清司 高松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2002133292A priority Critical patent/JP3712064B2/ja
Priority to CNB031309089A priority patent/CN1303748C/zh
Priority to US10/431,572 priority patent/US6816392B2/en
Priority to CNU032443374U priority patent/CN2741269Y/zh
Publication of JP2003324948A publication Critical patent/JP2003324948A/ja
Publication of JP2003324948A5 publication Critical patent/JP2003324948A5/ja
Application granted granted Critical
Publication of JP3712064B2 publication Critical patent/JP3712064B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H02M3/3385—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement with automatic control of output voltage or current
    • 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
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/902—Optical coupling to semiconductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
JP2002133292A 2002-05-08 2002-05-08 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路 Expired - Fee Related JP3712064B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002133292A JP3712064B2 (ja) 2002-05-08 2002-05-08 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路
CNB031309089A CN1303748C (zh) 2002-05-08 2003-05-08 过电流输出保护电路和包括此电路的稳压开关式电源
US10/431,572 US6816392B2 (en) 2002-05-08 2003-05-08 Overcurrent output protecting circuit and constant-voltage switching power supply incorporating the same
CNU032443374U CN2741269Y (zh) 2002-05-08 2003-05-08 过电流输出保护电路和包括此电路的恒定电压开关式电源

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002133292A JP3712064B2 (ja) 2002-05-08 2002-05-08 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路

Publications (3)

Publication Number Publication Date
JP2003324948A JP2003324948A (ja) 2003-11-14
JP2003324948A5 JP2003324948A5 (enExample) 2005-04-28
JP3712064B2 true JP3712064B2 (ja) 2005-11-02

Family

ID=29416666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002133292A Expired - Fee Related JP3712064B2 (ja) 2002-05-08 2002-05-08 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路

Country Status (3)

Country Link
US (1) US6816392B2 (enExample)
JP (1) JP3712064B2 (enExample)
CN (2) CN2741269Y (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3712064B2 (ja) * 2002-05-08 2005-11-02 セイコーエプソン株式会社 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路
CN2710244Y (zh) * 2002-05-08 2005-07-13 精工爱普生株式会社 具有过压输出保护电路的稳压开关电源及电子设备
AT501799B1 (de) * 2003-09-09 2006-11-15 Siemens Ag Oesterreich Hochsetzsteller
WO2006006289A1 (ja) * 2004-07-07 2006-01-19 Murata Manufacturing Co., Ltd. スイッチング電源装置および電子装置
DE102004034333A1 (de) * 2004-07-09 2006-05-18 Siemens Ag Verfahren zum Regeln eines an einer Gleichspannungsquelle angeschlossenen Stromrichters
JP4546320B2 (ja) * 2005-04-19 2010-09-15 株式会社リコー 定電圧電源回路及び定電圧電源回路の制御方法
KR100622972B1 (ko) * 2005-06-17 2006-09-13 삼성전자주식회사 전력변환기의 제어장치 및 제어방법
JP5042536B2 (ja) * 2006-06-16 2012-10-03 ローム株式会社 電源装置及びこれを備えた電気機器
JP4905776B2 (ja) * 2006-08-02 2012-03-28 株式会社タムラ製作所 保護回路およびスイッチング電源装置
US7518885B2 (en) 2006-10-04 2009-04-14 Power Integrations, Inc. Method and apparatus for a control circuit with multiple operation modes
KR101239978B1 (ko) * 2007-08-17 2013-03-06 삼성전자주식회사 스위칭 모드 전원공급장치 및 그 전원공급방법
KR101154894B1 (ko) * 2007-08-21 2012-06-18 삼성전자주식회사 스위칭 전원장치 및 그 제어방법
ES2350736T3 (es) * 2008-09-11 2011-01-26 Vega Grieshaber Kg Conexión de bus para el acoplamiento de un aparato de campo en un bus de campo.
JP5430186B2 (ja) * 2009-03-13 2014-02-26 キヤノン株式会社 電源装置及び制御回路
CN101958533B (zh) * 2009-07-13 2014-12-03 上海立隆微电子有限公司 用于隔离式电源供应器的电流感测电阻短路保护装置及方法
CN103248236A (zh) * 2012-02-07 2013-08-14 广州金升阳科技有限公司 一种自激振荡反激变换器
DE112016000590T5 (de) * 2015-02-03 2017-12-21 Mitsubishi Electric Corporation Dc/dc-umsetzer
JP6645356B2 (ja) * 2016-05-20 2020-02-14 株式会社オートネットワーク技術研究所 電圧変換装置
CN109193606B (zh) * 2018-11-20 2024-03-01 上海艾为电子技术股份有限公司 浪涌保护电路、电路系统及电子设备
EP4030602A4 (en) * 2019-09-12 2023-05-10 OMRON Corporation OVERCURRENT PROTECTION CIRCUIT AND CIRCUIT

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02159975A (ja) * 1988-12-09 1990-06-20 Murata Mfg Co Ltd 自励発振型コンバータ
JPH06209569A (ja) * 1993-01-05 1994-07-26 Yokogawa Electric Corp スイッチング電源装置
JP3223695B2 (ja) * 1993-06-18 2001-10-29 株式会社村田製作所 スイッチング電源装置
JP3260024B2 (ja) * 1993-11-15 2002-02-25 株式会社東芝 電源回路
JP3450929B2 (ja) * 1995-03-23 2003-09-29 株式会社リコー スイッチング電源装置
JPH09117135A (ja) * 1995-10-17 1997-05-02 Murata Mfg Co Ltd スイッチング電源
JP3381769B2 (ja) * 1997-10-17 2003-03-04 株式会社村田製作所 自励発振型スイッチング電源装置
JP3351464B2 (ja) * 1998-02-13 2002-11-25 株式会社村田製作所 自励発振型スイッチング電源装置
JP3351400B2 (ja) * 1999-01-18 2002-11-25 株式会社村田製作所 スイッチング電源装置
JP2001005576A (ja) 1999-06-17 2001-01-12 Fujitsu Ltd 本体付属装置
JP3475888B2 (ja) * 2000-01-11 2003-12-10 株式会社村田製作所 スイッチング電源装置
JP3675389B2 (ja) * 2001-03-26 2005-07-27 株式会社村田製作所 スイッチング電源装置およびそれを用いた電子装置
JP3712064B2 (ja) * 2002-05-08 2005-11-02 セイコーエプソン株式会社 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路

Also Published As

Publication number Publication date
CN2741269Y (zh) 2005-11-16
CN1303748C (zh) 2007-03-07
US20040022074A1 (en) 2004-02-05
JP2003324948A (ja) 2003-11-14
US6816392B2 (en) 2004-11-09
CN1457140A (zh) 2003-11-19

Similar Documents

Publication Publication Date Title
JP3712064B2 (ja) 出力過電流保護回路、及び該出力過電流保護回路を備えた定電圧スイッチング電源回路
JP3652351B2 (ja) スイッチング電源装置
KR100801498B1 (ko) 스위칭 제어 회로 및 자려형 ｄｃ―ｄｃ 컨버터
JP6668762B2 (ja) スイッチング電源装置
CN1996732B (zh) 开关电源装置和用于该开关电源装置的半导体装置
JP3574394B2 (ja) スイッチング電源装置
JP3450929B2 (ja) スイッチング電源装置
JP3722811B2 (ja) モータ駆動装置
JP4481879B2 (ja) スイッチング電源装置
JP3627708B2 (ja) スイッチング電源装置
JP3358588B2 (ja) スイッチング電源回路
US5949223A (en) Power source apparatus having first and second switching power source units
WO2005101629A1 (ja) スイッチング電源回路
JP6154584B2 (ja) 電源装置、並びに、これを用いた車載機器及び車両
JP3219145B2 (ja) スイッチング電源
JP4867500B2 (ja) スイッチング電源装置
JP2010277226A (ja) 直流安定化電源装置及びそれを備えた電子機器
JP2018113811A (ja) スイッチング電源装置
JP3415566B2 (ja) スイッチング電源装置
JP2017123261A (ja) Ｌｅｄ用電源装置及びｌｅｄ照明装置
JP2001346378A (ja) スイッチング電源装置
JP2006094609A (ja) 電源装置
JP4109502B2 (ja) 降圧型チョッパーレギュレータ回路
JPH05336743A (ja) スイッチング電源
JP3360419B2 (ja) 増幅回路

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040617

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040617

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050516

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050519

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050706

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20050727

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20050809

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080826

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090826

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090826

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100826

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110826

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120826

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130826

Year of fee payment: 8

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees