JPH0253281U - - Google Patents
Info
- Publication number
- JPH0253281U JPH0253281U JP13188688U JP13188688U JPH0253281U JP H0253281 U JPH0253281 U JP H0253281U JP 13188688 U JP13188688 U JP 13188688U JP 13188688 U JP13188688 U JP 13188688U JP H0253281 U JPH0253281 U JP H0253281U
- Authority
- JP
- Japan
- Prior art keywords
- photocoupler
- converter
- drive circuit
- mosfet
- load
- 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
Links
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例のブロツク図、第２
図は従来のコンバータのドライブ回路の一例のブ
ロツク図である。
１……直流電源、２，１２……コンデンサ、３
……コンバータ部、４……ＭＯＳＦＥＴ、５……
負荷、６，１３，１６……抵抗器、７……トラン
ジスタ、８……フオトカプラ、９，１５……ダイ
オード、１０……パルストランス、１１……補助
電源、１２……コンデンサ、１４……ＰＷＭ制御
回路。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a block diagram of an example of a conventional converter drive circuit. 1...DC power supply, 2, 12...Capacitor, 3
...Converter section, 4...MOSFET, 5...
Load, 6, 13, 16...Resistor, 7...Transistor, 8...Photocoupler, 9, 15...Diode, 10...Pulse transformer, 11...Auxiliary power supply, 12...Capacitor, 14...PWM control circuit.
Claims (1)
ホトカプラの発光部に印加するＰＷＭ制御回路と
、前記ホトカプラの受光部によつてＭＯＳＦＥＴ
のソースとドレイン間を非導通にする駆動回路と
を有することを特徴とするコンバータのドライブ
回路。 A PWM control circuit that detects the output voltage supplied to the load and applies a pulse signal to the light emitting part of the photocoupler, and a light receiving part of the photocoupler that controls the MOSFET.
A drive circuit for a converter, comprising: a drive circuit that causes non-conduction between the source and drain of the converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13188688U JPH0253281U (en) | 1988-10-07 | 1988-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13188688U JPH0253281U (en) | 1988-10-07 | 1988-10-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0253281U true JPH0253281U (en) | 1990-04-17 |
Family
ID=31388357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13188688U Pending JPH0253281U (en) | 1988-10-07 | 1988-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0253281U (en) |
-
1988
- 1988-10-07 JP JP13188688U patent/JPH0253281U/ja active Pending