JPH0221931U - - Google Patents
Info
- Publication number
- JPH0221931U JPH0221931U JP9979788U JP9979788U JPH0221931U JP H0221931 U JPH0221931 U JP H0221931U JP 9979788 U JP9979788 U JP 9979788U JP 9979788 U JP9979788 U JP 9979788U JP H0221931 U JPH0221931 U JP H0221931U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- gate
- source
- field effect
- effect transistor
- 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
- 230000005669 field effect Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案のＭＯＳ型電界効果トランジス
タを用いた駆動回路の一実施例を示す回路図、第
２図および第３図は本考案の駆動回路の動作を説
明する回路図および概略回路図、第４図は本考案
の駆動回路に加える別の制御信号を示す波形図、
第５図は従来の電界効果トランジスタを用いた駆
動回路を示す回路図である。
１……入力端子、３……負荷、５……切換回路
、Ｃ……コンデンサ、……切換回路（インバー
タ）、ＳＷ１，ＳＷ２……切換回路（第１のスイ
ツチ回路）、ＳＷ３，ＳＷ４……切換回路（第２
のスイツチ回路）、ＳＷ５……切換回路（第３の
スイツチ回路）、Ｔｒ１，Ｔｒ２……ＮＰＮトラ
ンジスタ、Ｔｒ３……ＭＯＳ型電界効果トランジ
スタ、ＶＡ……電源（第１の電源）、ＶＢ……第
２の電源。
FIG. 1 is a circuit diagram showing an embodiment of a drive circuit using a MOS field effect transistor of the present invention, and FIGS. 2 and 3 are a circuit diagram and a schematic circuit diagram illustrating the operation of the drive circuit of the present invention. , FIG. 4 is a waveform diagram showing another control signal applied to the drive circuit of the present invention,
FIG. 5 is a circuit diagram showing a drive circuit using a conventional field effect transistor. 1...Input terminal, 3...Load, 5...Switching circuit, C...Capacitor,...Switching circuit (inverter), SW1 , SW2 ...Switching circuit (first switch circuit), SW3 , SW 4 ...Switching circuit (second
switch circuit), SW 5 ... switching circuit (third switch circuit), Tr 1 , Tr 2 ... NPN transistor, Tr 3 ... MOS field effect transistor, VA ... power supply (first power supply), VB...Second power supply.
Claims (1)
型電界効果トランジスタと、 前記コンデンサの両端を前記電源にのみ接続し
前記電界効果トランジスタのゲートを接地する一
方、入力された制御信号によつて前記ゲートの接
地を開放するとともに前記コンデンサを前記電源
のら前記ゲートおよび前記ソース間に切り換え接
続する切換回路と、 を具備してなることを特徴とするＭＯＳ型電界効
果トランジスタを用いた駆動回路。[Claims for Utility Model Registration] A capacitor, a power supply for charging this capacitor, and an N-channel MOS with a load connected to the source.
type field effect transistor, and both ends of the capacitor are connected only to the power source, and the gate of the field effect transistor is grounded, while the ground of the gate is released by an input control signal, and the capacitor is connected to the power source. A drive circuit using a MOS type field effect transistor, comprising: a switching circuit that switches between the gate and the source; and a switching circuit that switches between the gate and the source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9979788U JPH0221931U (en) | 1988-07-29 | 1988-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9979788U JPH0221931U (en) | 1988-07-29 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221931U true JPH0221931U (en) | 1990-02-14 |
Family
ID=31327289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9979788U Pending JPH0221931U (en) | 1988-07-29 | 1988-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221931U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4717625B2 (en) * | 2005-12-19 | 2011-07-06 | 富士通テレコムネットワークス株式会社 | Synchronous rectifier circuit |
| WO2020261353A1 (en) * | 2019-06-25 | 2020-12-30 | 三菱電機株式会社 | Apparatus for driving switching device |
| JP2022535476A (en) * | 2019-11-26 | 2022-08-09 | エルジー エナジー ソリューション リミテッド | FET controller and method |
-
1988
- 1988-07-29 JP JP9979788U patent/JPH0221931U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4717625B2 (en) * | 2005-12-19 | 2011-07-06 | 富士通テレコムネットワークス株式会社 | Synchronous rectifier circuit |
| WO2020261353A1 (en) * | 2019-06-25 | 2020-12-30 | 三菱電機株式会社 | Apparatus for driving switching device |
| JP2022535476A (en) * | 2019-11-26 | 2022-08-09 | エルジー エナジー ソリューション リミテッド | FET controller and method |