JPS60187918U - Overcurrent protection circuit - Google Patents

Overcurrent protection circuit

Info

Publication number
JPS60187918U
JPS60187918U JP7199084U JP7199084U JPS60187918U JP S60187918 U JPS60187918 U JP S60187918U JP 7199084 U JP7199084 U JP 7199084U JP 7199084 U JP7199084 U JP 7199084U JP S60187918 U JPS60187918 U JP S60187918U
Authority
JP
Japan
Prior art keywords
overcurrent protection
protection circuit
circuit
power supply
abstract
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
JP7199084U
Other languages
Japanese (ja)
Inventor
和久 仙葉
Original Assignee
日立照明株式会社
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 日立照明株式会社 filed Critical 日立照明株式会社
Priority to JP7199084U priority Critical patent/JPS60187918U/en
Publication of JPS60187918U publication Critical patent/JPS60187918U/en
Pending legal-status Critical Current

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  • Continuous-Control Power Sources That Use Transistors (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) [Abstract] 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図は従来のコントロール回路のブロック図、第２図
は負荷電流波形図、第３図は本考案の一実施例のコント
ロール回路のブロック図、第４図は同じく具体的な構成
を示す回路図である。 １・・・主スィッチ素子、２・・・パルス幅変調回路、
３．４・・・誤差増幅器、５・・・電流検出回路、６・
・・電圧検出回路、７・・・遅延回路、８・・・誤差増
幅器、９・・・コンパレータ、１０・・・時定数用の抵
抗、１１・・・時定数用のコンデンサ、１２．１３・・
・トランジスタ。Figure 1 is a block diagram of a conventional control circuit, Figure 2 is a load current waveform diagram, Figure 3 is a block diagram of a control circuit according to an embodiment of the present invention, and Figure 4 is a circuit showing the same specific configuration. It is a diagram. 1... Main switch element, 2... Pulse width modulation circuit,
3.4...Error amplifier, 5...Current detection circuit, 6.
... Voltage detection circuit, 7... Delay circuit, 8... Error amplifier, 9... Comparator, 10... Resistor for time constant, 11... Capacitor for time constant, 12.13.・
・Transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] パルス状の負荷電流を供給する定電圧電源において、そ
の電流制限回路に遅延回路を設けたことを特徴とする電
源の過電流保護回路。An overcurrent protection circuit for a power supply, characterized in that a delay circuit is provided in the current limiting circuit in a constant voltage power supply that supplies a pulsed load current.
JP7199084U 1984-05-18 1984-05-18 Overcurrent protection circuit Pending JPS60187918U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7199084U JPS60187918U (en) 1984-05-18 1984-05-18 Overcurrent protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7199084U JPS60187918U (en) 1984-05-18 1984-05-18 Overcurrent protection circuit

Publications (1)

Publication Number Publication Date
JPS60187918U true JPS60187918U (en) 1985-12-12

Family

ID=30609985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7199084U Pending JPS60187918U (en) 1984-05-18 1984-05-18 Overcurrent protection circuit

Country Status (1)

Country Link
JP (1) JPS60187918U (en)

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