JPH01166437U - - Google Patents

Info

Publication number
JPH01166437U
JPH01166437U JP6240688U JP6240688U JPH01166437U JP H01166437 U JPH01166437 U JP H01166437U JP 6240688 U JP6240688 U JP 6240688U JP 6240688 U JP6240688 U JP 6240688U JP H01166437 U JPH01166437 U JP H01166437U
Authority
JP
Japan
Prior art keywords
diode
overvoltage protection
circuit
constant voltage
protection circuit
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
JP6240688U
Other languages
English (en)
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 JP6240688U priority Critical patent/JPH01166437U/ja
Publication of JPH01166437U publication Critical patent/JPH01166437U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の一実施例の過電圧保護回路を
含む定電流回路の要部回路図、第2図は第1図に
示す回路における定電圧ダイオードとダイオード
の接続部の電圧波形図、第3図は従来の過電圧保
護回路を含む定電流回路の一例の要部回路図、第
4図は電圧検出巻線の出力電圧の波形図、第5図
は第3図に示す従来回路における定電圧ダイオー
ドとダイオードの接続部の電圧波形図である。 符号の説明、1……過電圧保護回路を含む定電
流回路、2……ダイオード対回路、3……平滑コ
ンデンサ、Z……定電圧ダイオード、D……ダイ
オード、T……変圧器、CP……比較増幅器、T
……トランジスタ、Rf……帰還抵抗、I
……負荷電流、I……検出電流。

Claims (1)

    【実用新案登録請求の範囲】
  1. 定電圧ダイオードとダイオードとを逆向きに直
    列接続したダイオード対回路を介して、変圧器の
    二次側電圧を、一次側に設けたレギユレータ回路
    に負帰還する過電圧保護回路において、定電圧ダ
    イオードとダイオードの接続部に平滑コンデンサ
    を付加したことを特徴とする過電圧保護回路。
JP6240688U 1988-05-12 1988-05-12 Pending JPH01166437U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6240688U JPH01166437U (ja) 1988-05-12 1988-05-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6240688U JPH01166437U (ja) 1988-05-12 1988-05-12

Publications (1)

Publication Number Publication Date
JPH01166437U true JPH01166437U (ja) 1989-11-21

Family

ID=31288019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6240688U Pending JPH01166437U (ja) 1988-05-12 1988-05-12

Country Status (1)

Country Link
JP (1) JPH01166437U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106839U (ja) * 1990-02-16 1991-11-05

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077670A (ja) * 1983-09-30 1985-05-02 Toshiba Electric Equip Corp 電源装置
JPS6333380B2 (ja) * 1982-09-30 1988-07-05 Matsushita Electric Works Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6333380B2 (ja) * 1982-09-30 1988-07-05 Matsushita Electric Works Ltd
JPS6077670A (ja) * 1983-09-30 1985-05-02 Toshiba Electric Equip Corp 電源装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106839U (ja) * 1990-02-16 1991-11-05

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