JPH0244880U - - Google Patents
Info
- Publication number
- JPH0244880U JPH0244880U JP12289688U JP12289688U JPH0244880U JP H0244880 U JPH0244880 U JP H0244880U JP 12289688 U JP12289688 U JP 12289688U JP 12289688 U JP12289688 U JP 12289688U JP H0244880 U JPH0244880 U JP H0244880U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- main switching
- sub
- main
- 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.)
- Pending
Links
- 230000005611 electricity Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示すスイツチング
トランジスタの駆動回路の回路図、第２図は第１
図のスイツチングトランジスタの駆動回路の構成
を変えた他の実施例を示すスイツチングトランジ
スタの駆動回路の回路図、第３図は第２図のスイ
ツチングトランジスタの駆動回路の構成を変えた
さらに他の実施例を示すスイツチングトランジス
タの駆動回路の回路図、第４図は従来のスイツチ
ングトランジスタの駆動回路を示す回路図である
。
１０……直流電圧電源、１３……コンバーター
トランス、１４……二次側整流ダイオード、１５
……平滑コンデンサ、１６……主スイツチングト
ランジスタ、１７……カレントトランス用巻線、
１８……一次巻線、１９……二次巻線、２０……
補助巻線、２１……カレントトランス、２２……
駆動信号発生回路、２３……整流ダイオード、２
４……コンデンサ、２５……ターンオフ用トラン
ジスタ。
FIG. 1 is a circuit diagram of a switching transistor drive circuit showing an embodiment of the present invention, and FIG.
FIG. 3 is a circuit diagram of a switching transistor drive circuit showing another embodiment in which the configuration of the switching transistor drive circuit shown in FIG. 2 is changed. FIG. 4 is a circuit diagram showing a conventional switching transistor drive circuit. 10...DC voltage power supply, 13...Converter transformer, 14...Secondary side rectifier diode, 15
... Smoothing capacitor, 16 ... Main switching transistor, 17 ... Current transformer winding,
18...Primary winding, 19...Secondary winding, 20...
Auxiliary winding, 21...Current transformer, 22...
Drive signal generation circuit, 23... Rectifier diode, 2
4...Capacitor, 25...Turn-off transistor.
Claims (1)
印加される電圧を断続する主スイツチング素子と
、 コレクタ側が前記主スイツチング素子のベース
側にエミツタ側が前記主スイツチング素子のエミ
ツタ側に接続された副スイツチング素子と、 この副スイツチング素子のエミツタ側と前記主
スイツチング素子のエミツタ側との間に接続され
前記主スイツチング素子がオン状態のときに充電
し前記主スイツチング素子がオフ状態のときに放
電する逆バイアス用電源と、 前記主スイツチング素子および前記副スイツチ
ング素子の動作を、前記主スイツチング素子をオ
ン状態としたとき前記副スイツチング素子をオフ
状態とし、前記主スイツチング素子をオフ状態と
したとき前記副スイツチング素子をオン状態とす
る駆動手段と を備えたことを特徴とするスイツチングトラン
ジスタの駆動回路。[Claims for Utility Model Registration] A main switching element that is provided on the primary side of a switching power supply and cuts off the voltage applied from the power supply; a collector side is on the base side of the main switching element, and an emitter side is on the emitter side of the main switching element. A connected sub-switching element, connected between an emitter side of the sub-switching element and an emitter side of the main switching element, and charged when the main switching element is in an on state and charged when the main switching element is in an off state. and a reverse bias power supply that discharges electricity to the main switching element, and the operation of the main switching element and the sub-switching element is such that when the main switching element is turned on, the sub-switching element is turned off, and the main switching element is turned off. A driving circuit for a switching transistor, comprising: driving means for turning on the sub-switching element when the sub-switching element is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12289688U JPH0244880U (en) | 1988-09-20 | 1988-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12289688U JPH0244880U (en) | 1988-09-20 | 1988-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244880U true JPH0244880U (en) | 1990-03-28 |
Family
ID=31371257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12289688U Pending JPH0244880U (en) | 1988-09-20 | 1988-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012044821A (en) * | 2010-08-23 | 2012-03-01 | Nichicon Corp | Self-excited flyback converter |
-
1988
- 1988-09-20 JP JP12289688U patent/JPH0244880U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012044821A (en) * | 2010-08-23 | 2012-03-01 | Nichicon Corp | Self-excited flyback converter |