JPS5956984U - Switching regulator protection circuit - Google Patents

Switching regulator protection circuit

Info

Publication number
JPS5956984U
JPS5956984U JP15312682U JP15312682U JPS5956984U JP S5956984 U JPS5956984 U JP S5956984U JP 15312682 U JP15312682 U JP 15312682U JP 15312682 U JP15312682 U JP 15312682U JP S5956984 U JPS5956984 U JP S5956984U
Authority
JP
Japan
Prior art keywords
switching regulator
protection circuit
section
circuit
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.)
Granted
Application number
JP15312682U
Other languages
Japanese (ja)
Other versions
JPH0119591Y2 (en
Inventor
伊東　秀利
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP15312682U priority Critical patent/JPS5956984U/en
Publication of JPS5956984U publication Critical patent/JPS5956984U/en
Application granted granted Critical
Publication of JPH0119591Y2 publication Critical patent/JPH0119591Y2/ja
Granted 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 drawings]

第１図は従来のスイッチングレギュレータを禿す回路図
、第２図は本考案によるスイッチングレギュレータを示
す回路図、第３図は発振部の共振回路の等節回路を示す
回路図である。 １．３．４，６．１２，２４，１７．２３・・・コンデ
ンサ、２．６・・：ダイオード、５，７，９゜１１、　
１３．　１４．　１８．　２１・・・抵抗、８，２０・
・・トランジスタ、１５・・・パルストランス、１９・
・・ＦＥＴ、２５・・・コイル。FIG. 1 is a circuit diagram showing a conventional switching regulator, FIG. 2 is a circuit diagram showing a switching regulator according to the present invention, and FIG. 3 is a circuit diagram showing an isochoric circuit of a resonant circuit of an oscillating part. 1.3.4, 6.12, 24, 17.23... Capacitor, 2.6...: Diode, 5, 7, 9° 11,
13. 14. 18. 21...Resistance, 8,20.
...Transistor, 15...Pulse transformer, 19.
...FET, 25...coil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流入力を整流平滑する整流平滑部、発振部、パルスト
ランス、安定した電圧を出力する安定化電圧出力部から
成るスイッチングレギュレータにおいて、発振部に共振
回路を設け、出力端子の短絡時の発振周波数に同調する
ように共振回路の回路定数を設定し、スイッチングトラ
ンジ、スタ駆動電圧をあるレベル以下に落とすことを特
徴とするスイッチングレギュレータの保護回路。In a switching regulator that consists of a rectifying and smoothing section that rectifies and smoothes AC input, an oscillating section, a pulse transformer, and a stabilized voltage output section that outputs a stable voltage, a resonant circuit is provided in the oscillating section to adjust the oscillation frequency when the output terminal is short-circuited. A protection circuit for a switching regulator, characterized in that the circuit constants of a resonant circuit are set so as to be synchronized, and the switching transistor and star drive voltages are reduced to below a certain level.
JP15312682U 1982-10-08 1982-10-08 Switching regulator protection circuit Granted JPS5956984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15312682U JPS5956984U (en) 1982-10-08 1982-10-08 Switching regulator protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15312682U JPS5956984U (en) 1982-10-08 1982-10-08 Switching regulator protection circuit

Publications (2)

Publication Number Publication Date
JPS5956984U true JPS5956984U (en) 1984-04-13
JPH0119591Y2 JPH0119591Y2 (en) 1989-06-06

Family

ID=30338863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15312682U Granted JPS5956984U (en) 1982-10-08 1982-10-08 Switching regulator protection circuit

Country Status (1)

Country Link
JP (1) JPS5956984U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043449A (en) * 1973-08-21 1975-04-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043449A (en) * 1973-08-21 1975-04-19

Also Published As

Publication number Publication date
JPH0119591Y2 (en) 1989-06-06

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