JPH0176184U - - Google Patents

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Publication number
JPH0176184U
JPH0176184U JP1987170122U JP17012287U JPH0176184U JP H0176184 U JPH0176184 U JP H0176184U JP 1987170122 U JP1987170122 U JP 1987170122U JP 17012287 U JP17012287 U JP 17012287U JP H0176184 U JPH0176184 U JP H0176184U
Authority
JP
Japan
Prior art keywords
voltage
output voltage
output
reference voltage
output current
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.)
Granted
Application number
JP1987170122U
Other languages
English (en)
Other versions
JPH0619319Y2 (ja
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 filed Critical
Priority to JP1987170122U priority Critical patent/JPH0619319Y2/ja
Publication of JPH0176184U publication Critical patent/JPH0176184U/ja
Application granted granted Critical
Publication of JPH0619319Y2 publication Critical patent/JPH0619319Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Dc-Dc Converters (AREA)

Description

【図面の簡単な説明】
図は本考案の実施例を示し、第1図はブロツク
図、第2図は出力電流と出力電圧との関係を示す
特性図である。 3…変換回路、4,5…出力端子、7…基準電
圧可変回路、8,10…演算増幅器、9…パルス
幅制御回路、Rs,R〜R…抵抗器、Vo…
出力電圧、Io…出力電流、Vref…基準電圧
、IR…所定値。

Claims (1)

    【実用新案登録請求の範囲】
  1. 出力電圧と基準電圧とを比較し、該比較結果に
    応じて主スイツチングトランジスタの導通時間幅
    を制御し、前記出力電圧を一定に維持すると共に
    、過大な出力電流を検出して前記出力電圧を垂下
    させるDC/DCコンバータにおいて、前記出力
    電流が所定値より大となつたとき前記基準電圧を
    制御し出力電圧を低下させる制御回路を設けたこ
    とを特徴とするDC/DCコンバータ。
JP1987170122U 1987-11-09 1987-11-09 Dc/dcコンバータ Expired - Lifetime JPH0619319Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987170122U JPH0619319Y2 (ja) 1987-11-09 1987-11-09 Dc/dcコンバータ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987170122U JPH0619319Y2 (ja) 1987-11-09 1987-11-09 Dc/dcコンバータ

Publications (2)

Publication Number Publication Date
JPH0176184U true JPH0176184U (ja) 1989-05-23
JPH0619319Y2 JPH0619319Y2 (ja) 1994-05-18

Family

ID=31460785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987170122U Expired - Lifetime JPH0619319Y2 (ja) 1987-11-09 1987-11-09 Dc/dcコンバータ

Country Status (1)

Country Link
JP (1) JPH0619319Y2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003162335A (ja) * 2001-11-27 2003-06-06 Rohm Co Ltd 電源装置
JP2007274853A (ja) * 2006-03-31 2007-10-18 Toyota Industries Corp Dc/dcコンバータ
JP2014068425A (ja) * 2012-09-24 2014-04-17 Toshiba Lighting & Technology Corp 電源装置および照明装置
JP2015042118A (ja) * 2013-08-23 2015-03-02 株式会社沖データ 電源装置及び画像形成装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003162335A (ja) * 2001-11-27 2003-06-06 Rohm Co Ltd 電源装置
JP2007274853A (ja) * 2006-03-31 2007-10-18 Toyota Industries Corp Dc/dcコンバータ
JP2014068425A (ja) * 2012-09-24 2014-04-17 Toshiba Lighting & Technology Corp 電源装置および照明装置
JP2015042118A (ja) * 2013-08-23 2015-03-02 株式会社沖データ 電源装置及び画像形成装置
US9141019B2 (en) 2013-08-23 2015-09-22 Oki Data Corporation Power-supply device and image formation apparatus

Also Published As

Publication number Publication date
JPH0619319Y2 (ja) 1994-05-18

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