JPS62186530U - - Google Patents
Info
- Publication number
- JPS62186530U JPS62186530U JP7490486U JP7490486U JPS62186530U JP S62186530 U JPS62186530 U JP S62186530U JP 7490486 U JP7490486 U JP 7490486U JP 7490486 U JP7490486 U JP 7490486U JP S62186530 U JPS62186530 U JP S62186530U
- Authority
- JP
- Japan
- Prior art keywords
- mosfet
- capacitor
- diode
- gate
- turned
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案駆動回路の一例を示す接続図、
第２図はスイツチング電源におけるスイツチ素子
とその駆動回路の接続概念図、第３図は従来のＭ
ＯＳＦＥＴの駆動回路の接続図である。
Ｑ１……ＭＯＳＦＥＴ、Ｔｒ．１……トランジ
スタ、Ｒ，Ｒ１……抵抗、Ｃ１……コンデンサ、
Ｄ１……ダイオード。
FIG. 1 is a connection diagram showing an example of the drive circuit of the present invention.
Figure 2 is a conceptual diagram of the connection between a switch element and its drive circuit in a switching power supply, and Figure 3 is a diagram of a conventional M
FIG. 3 is a connection diagram of an OSFET drive circuit. Q1 ...MOSFET, Tr. 1...Transistor, R, R1 ...Resistor, C1 ...Capacitor,
D1 ...Diode.
Claims (1)
いて、 前記駆動信号を前記ＭＯＳＦＥＴのゲートに与
えるためのダイオードのコンデンサとの直列回路
と、ゲートとコモンとの間に接続した抵抗と、前
記ダイオードとコンデンサとの共通接続点とコモ
ンとの間に接続され前記ＭＯＳＦＥＴがターンオ
フする時オンとなるトランジスタとを備えたこと
を特徴とするＭＯＳＦＥＴの駆動回路。[Claims for Utility Model Registration] A drive circuit that applies a drive signal to the gate of a MOSFET and turns the MOSFET on and off, comprising: a series circuit of a diode and a capacitor for applying the drive signal to the gate of the MOSFET; A MOSFET drive circuit comprising: a resistor connected between the common connection point of the diode and the capacitor and the common, and a transistor connected between the common connection point of the diode and the capacitor and turned on when the MOSFET is turned off. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7490486U JPH0430820Y2 (en) | 1986-05-19 | 1986-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7490486U JPH0430820Y2 (en) | 1986-05-19 | 1986-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62186530U true JPS62186530U (en) | 1987-11-27 |
| JPH0430820Y2 JPH0430820Y2 (en) | 1992-07-24 |
Family
ID=30920554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7490486U Expired JPH0430820Y2 (en) | 1986-05-19 | 1986-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430820Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0262114A (en) * | 1988-08-29 | 1990-03-02 | Hitachi Ltd | Switching circuit |
-
1986
- 1986-05-19 JP JP7490486U patent/JPH0430820Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0262114A (en) * | 1988-08-29 | 1990-03-02 | Hitachi Ltd | Switching circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0430820Y2 (en) | 1992-07-24 |