JPS6028485U - Switching regulator protection circuit - Google Patents

Switching regulator protection circuit

Info

Publication number
JPS6028485U
JPS6028485U JP11983183U JP11983183U JPS6028485U JP S6028485 U JPS6028485 U JP S6028485U JP 11983183 U JP11983183 U JP 11983183U JP 11983183 U JP11983183 U JP 11983183U JP S6028485 U JPS6028485 U JP S6028485U
Authority
JP
Japan
Prior art keywords
protection circuit
switching regulator
resistor
switching transistor
regulator protection
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
JP11983183U
Other languages
Japanese (ja)
Inventor
健 福地
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP11983183U priority Critical patent/JPS6028485U/en
Publication of JPS6028485U publication Critical patent/JPS6028485U/en
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Static Devices (AREA)
  • Dc-Dc Converters (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図は従来例に係るスイッチングレギュレー夕を示す
回路図、第２図は本烹案の一界流側に係るスイッチング
レギュレータを示す回路図である。　　　　　　　　　
　　　 ３・・・・・・保護用の抵抗、４・・・・・・導通素子
としてのトライアック１，６・・・・・・充放電用のコ
ンデンサ、１０・・・・・・高周波トランス、１１・・
・・・・メインスイッチングトランジスタ。FIG. 1 is a circuit diagram showing a switching regulator according to a conventional example, and FIG. 2 is a circuit diagram showing a switching regulator according to the one-stream side of the present invention.
3... Resistor for protection, 4... Triac 1 as a conduction element, 6... Capacitor for charging and discharging, 10... High frequency transformer, 11・・・
...Main switching transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 高周波トランス−次側に設けた充放電用コンデンサへの
突入電流を阻止するための抵抗と、出力又はメインスイ
ッチングトランジスタの電流によりこの抵抗を短絡する
よう導通される導通素子とからなる突入電流制限回路を
備えたスイッチングレギュレータにおいて、入力電圧を
検知し、所定の電圧以下になった場合にメインスイッチ
ングトランジスタの発振を停止させた様にした事を特徴
とするスイッチングレギュレータの保護回路。High-frequency transformer - Inrush current limiting circuit consisting of a resistor to prevent inrush current to the charging/discharging capacitor provided on the next side, and a conduction element that is made conductive to short-circuit this resistor by the output or main switching transistor current. 1. A protection circuit for a switching regulator, which detects an input voltage and stops oscillation of a main switching transistor when the voltage falls below a predetermined voltage.
JP11983183U 1983-08-02 1983-08-02 Switching regulator protection circuit Pending JPS6028485U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11983183U JPS6028485U (en) 1983-08-02 1983-08-02 Switching regulator protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11983183U JPS6028485U (en) 1983-08-02 1983-08-02 Switching regulator protection circuit

Publications (1)

Publication Number Publication Date
JPS6028485U true JPS6028485U (en) 1985-02-26

Family

ID=30274864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11983183U Pending JPS6028485U (en) 1983-08-02 1983-08-02 Switching regulator protection circuit

Country Status (1)

Country Link
JP (1) JPS6028485U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55122477A (en) * 1979-03-15 1980-09-20 Nec Corp Dc-dc converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55122477A (en) * 1979-03-15 1980-09-20 Nec Corp Dc-dc converter

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