JPS5967016U - Power transistor base drive circuit - Google Patents

Power transistor base drive circuit

Info

Publication number
JPS5967016U
JPS5967016U JP16223682U JP16223682U JPS5967016U JP S5967016 U JPS5967016 U JP S5967016U JP 16223682 U JP16223682 U JP 16223682U JP 16223682 U JP16223682 U JP 16223682U JP S5967016 U JPS5967016 U JP S5967016U
Authority
JP
Japan
Prior art keywords
power transistor
drive circuit
circuit
base drive
transistor base
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
JP16223682U
Other languages
Japanese (ja)
Inventor
鬼頭　恭民
Original Assignee
株式会社明電舎
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 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP16223682U priority Critical patent/JPS5967016U/en
Publication of JPS5967016U publication Critical patent/JPS5967016U/en
Pending legal-status Critical Current

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  • Electronic Switches (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 drawings]

第１図は本考案の一実施例を示す回路図、第２図は本考
案の他の実施例を示す回路図である。 Ｔｐ・・・パワートランジスタ、ＰＣ・・・フォトカプ
ラ。FIG. 1 is a circuit diagram showing one embodiment of the present invention, and FIG. 2 is a circuit diagram showing another embodiment of the present invention. Tp...power transistor, PC...photocoupler.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] パワートランジスタのオン・オフ制御信号を入力とする
フォトカプラと、このフォトカプラのオン・オフ出力で
オン・オフ駆動されてパワートランジスタにオンベース
電流を供給・しゃ断する第１のドライブ用トランジスタ
回路と、上記フォトカプラのオン・オフ出力でオフ・オ
ン駆動されてオン時にパワートランジスタのベース電流
吸収及び逆バイアスを印加する第２のドライブ用トラン
ジスタ回路とを備え、上記第１のドライブ用１〜ランジ
スタ回路のオン・オフ動作に先立って上記第２のドライ
ブ用トランジスタ回路にオン・オフ動作を得るようにし
たことを特徴とするパワートランジスタのベースドライ
ブ回路。A photocoupler that receives an on/off control signal for the power transistor as an input, and a first drive transistor circuit that is driven on and off by the on/off output of the photocoupler to supply and cut off an on-base current to the power transistor. , a second drive transistor circuit that is driven off and on by the on-off output of the photocoupler and absorbs the base current of the power transistor and applies a reverse bias when it is on; A base drive circuit for a power transistor, characterized in that the second drive transistor circuit is configured to perform an on/off operation prior to the on/off operation of the circuit.
JP16223682U 1982-10-26 1982-10-26 Power transistor base drive circuit Pending JPS5967016U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16223682U JPS5967016U (en) 1982-10-26 1982-10-26 Power transistor base drive circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16223682U JPS5967016U (en) 1982-10-26 1982-10-26 Power transistor base drive circuit

Publications (1)

Publication Number Publication Date
JPS5967016U true JPS5967016U (en) 1984-05-07

Family

ID=30356318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16223682U Pending JPS5967016U (en) 1982-10-26 1982-10-26 Power transistor base drive circuit

Country Status (1)

Country Link
JP (1) JPS5967016U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5171055A (en) * 1974-12-17 1976-06-19 Mitsubishi Electric Corp Toranjisutano zetsuenbeesukudokairo
JPS5634226A (en) * 1979-08-29 1981-04-06 Toshiba Corp Electric valve unit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5171055A (en) * 1974-12-17 1976-06-19 Mitsubishi Electric Corp Toranjisutano zetsuenbeesukudokairo
JPS5634226A (en) * 1979-08-29 1981-04-06 Toshiba Corp Electric valve unit

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