JPS62202024U - - Google Patents

Info

Publication number
JPS62202024U
JPS62202024U JP8974386U JP8974386U JPS62202024U JP S62202024 U JPS62202024 U JP S62202024U JP 8974386 U JP8974386 U JP 8974386U JP 8974386 U JP8974386 U JP 8974386U JP S62202024 U JPS62202024 U JP S62202024U
Authority
JP
Japan
Prior art keywords
winding
base
terminal
auxiliary winding
capacitor
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
JP8974386U
Other languages
English (en)
Other versions
JPH066674Y2 (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 JP1986089743U priority Critical patent/JPH066674Y2/ja
Publication of JPS62202024U publication Critical patent/JPS62202024U/ja
Application granted granted Critical
Publication of JPH066674Y2 publication Critical patent/JPH066674Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Protection Of Static Devices (AREA)
  • Dc-Dc Converters (AREA)

Description

【図面の簡単な説明】
第1図は本考案にかかる過電流保護回路を組み
込んだ自励型コンバータの一実施例を示す回路図
、第2図はその出力電圧―負荷電流特性線図、第
3図は従来技術の一例を示す回路図、第4図はそ
の出力電圧―負荷電流特性線図である。 10,20……過電流保護回路、T……トラン
ス、N……一次巻線、N……二次巻線、N
……ベース巻線、N……補助巻線、Q……ス
イツチングトランジスタ、Q……保護トランジ
スタ、D……第1のダイオード、D……第2
のダイオード、C……コンデンサ、R……抵
抗。

Claims (1)

    【実用新案登録請求の範囲】
  1. コンバータトランスのベース巻線に補助巻線を
    巻き足し、ベース巻線と補助巻線の両端間に抵抗
    とコンデンサとの直列回路を接続すると共に前記
    抵抗に並列にダイオードを設け、スイツチングト
    ランジスタのベースと補助巻線端子との間に保護
    トランジスタを配置し、該保護トランジスタのベ
    ースに前記コンデンサの端子電圧が印加されるよ
    うに接続した自励型コンバータの過電流保護回路
JP1986089743U 1986-06-12 1986-06-12 自励型コンバ−タの過電流保護回路 Expired - Lifetime JPH066674Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986089743U JPH066674Y2 (ja) 1986-06-12 1986-06-12 自励型コンバ−タの過電流保護回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986089743U JPH066674Y2 (ja) 1986-06-12 1986-06-12 自励型コンバ−タの過電流保護回路

Publications (2)

Publication Number Publication Date
JPS62202024U true JPS62202024U (ja) 1987-12-23
JPH066674Y2 JPH066674Y2 (ja) 1994-02-16

Family

ID=30948997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986089743U Expired - Lifetime JPH066674Y2 (ja) 1986-06-12 1986-06-12 自励型コンバ−タの過電流保護回路

Country Status (1)

Country Link
JP (1) JPH066674Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011100837A (ja) * 2009-11-05 2011-05-19 Fdk Corp 自励式led駆動回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59149486U (ja) * 1983-03-25 1984-10-05 富士通株式会社 過電流保護回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59149486U (ja) * 1983-03-25 1984-10-05 富士通株式会社 過電流保護回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011100837A (ja) * 2009-11-05 2011-05-19 Fdk Corp 自励式led駆動回路

Also Published As

Publication number Publication date
JPH066674Y2 (ja) 1994-02-16

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