JPS5978738U

JPS5978738U - Field-effect transistor gate drive circuit

Info

Publication number: JPS5978738U
Application number: JP17530682U
Authority: JP
Inventors: 大橋　郁夫
Original assignee: 日本電気株式会社
Priority date: 1982-11-19
Filing date: 1982-11-19
Publication date: 1984-05-28

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

[Brief explanation of drawings]

第１図は従来例の回路図、第３図および第４図は本考案
の二つの実施例の回路図、第２図はそれらの回路の動作
波形図である。１．２．１１・・・直流電源、３．　４．　１２．　１
３・・・パルス発生回路、５・・−ＰＮＰ型トランジス
タ、６゜８．１４．１５・・・ＮＰＮ型トランジスタ、
７゜１６．１６’・・・抵抗、９，２０・・・Ｎチャン
ネル型ＭＩＳ−ＦＥＴ、１７・・・ダイオード、１８・
・・リアクトル、１９・・・コンデンサ。FIG. 1 is a circuit diagram of a conventional example, FIGS. 3 and 4 are circuit diagrams of two embodiments of the present invention, and FIG. 2 is an operating waveform diagram of those circuits. 1.2.11...DC power supply, 3. 4. 12. 1
3...Pulse generation circuit, 5...-PNP type transistor, 6°8.14.15...NPN type transistor,
7゜16.16'...Resistance, 9,20...N-channel type MIS-FET, 17...Diode, 18.
...Reactor, 19...Capacitor.

Claims

[Scope of utility model registration request]

A DC power supply, first and second pulse generation circuits, and a series connection circuit of first and second transistors are commonly connected in parallel, and the bases of the first and second transistors are connected to the bases of the first and second transistors, respectively. a reactor between the common connection point of the first and second transistors and the gate of the driven field effect transistor, and a capacitor between the gate and source of the driven field effect transistor, respectively. 1. A gate drive circuit for a field effect transistor, comprising a circuit including a resistor having a resistor or a diode connected in parallel in a closed loop consisting of the second transistor, the reactor, and the capacitor.