JPS59169587U - Power supply protection circuit - Google Patents

Power supply protection circuit

Info

Publication number
JPS59169587U
JPS59169587U JP6292283U JP6292283U JPS59169587U JP S59169587 U JPS59169587 U JP S59169587U JP 6292283 U JP6292283 U JP 6292283U JP 6292283 U JP6292283 U JP 6292283U JP S59169587 U JPS59169587 U JP S59169587U
Authority
JP
Japan
Prior art keywords
power supply
protection circuit
switching
control
voltage
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.)
Pending
Application number
JP6292283U
Other languages
Japanese (ja)
Inventor
笠間　則夫
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP6292283U priority Critical patent/JPS59169587U/en
Publication of JPS59169587U publication Critical patent/JPS59169587U/en
Pending legal-status Critical Current

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  • Dc-Dc Converters (AREA)
  • Power Conversion In General (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の電源装置の保護回路の１例を示す構成図
、第２図は本考案の電源装置の保護回路の一実施例を示
す構成図である。 １・・・・・・トランジスタ（スイッチ素子）、３・・
・・・・コントロールＩＣ，７・・・・・・サイリスタ
。FIG. 1 is a block diagram showing an example of a protection circuit for a conventional power supply device, and FIG. 2 is a block diagram showing an example of a protection circuit for a power supply device according to the present invention. 1... Transistor (switch element), 3...
...Control IC, 7...Thyristor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] パルス幅変調方式のスイッチングレギュレータ用コント
ロールＩＣにて動作するスイッチングタイプの電源装置
の保護回路において、前記コントロールＩＣのスイッチ
ング動作を停止させる電圧を作り出す回路に挿入され導
通することにより前記停止電圧を発生させるサイリスク
を、前記コントロールＩＣのスイッチングパルス幅ヲ決
定スル電圧を作出する回路に供給する電流のオン、オフ
を行なうスイッチング素子に接続し、前記サイリスタの
導通電流が前記スイッチ素子を介して流れるようにした
ことを特徴とする電源装置の保護回路。In a protection circuit for a switching type power supply device that operates with a control IC for a pulse width modulation switching regulator, the stop voltage is generated by being inserted into a circuit that generates a voltage that stops the switching operation of the control IC and becoming conductive. The thyristor is connected to a switching element that turns on and off a current supplied to a circuit that generates a voltage that determines the switching pulse width of the control IC, so that the conduction current of the thyristor flows through the switching element. A protection circuit for a power supply device characterized by:
JP6292283U 1983-04-28 1983-04-28 Power supply protection circuit Pending JPS59169587U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6292283U JPS59169587U (en) 1983-04-28 1983-04-28 Power supply protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6292283U JPS59169587U (en) 1983-04-28 1983-04-28 Power supply protection circuit

Publications (1)

Publication Number Publication Date
JPS59169587U true JPS59169587U (en) 1984-11-13

Family

ID=30193111

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6292283U Pending JPS59169587U (en) 1983-04-28 1983-04-28 Power supply protection circuit

Country Status (1)

Country Link
JP (1) JPS59169587U (en)

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