JPH02138928U - - Google Patents
Info
- Publication number
- JPH02138928U JPH02138928U JP4940589U JP4940589U JPH02138928U JP H02138928 U JPH02138928 U JP H02138928U JP 4940589 U JP4940589 U JP 4940589U JP 4940589 U JP4940589 U JP 4940589U JP H02138928 U JPH02138928 U JP H02138928U
- Authority
- JP
- Japan
- Prior art keywords
- winding
- control signal
- buffer circuit
- signal sent
- primary
- 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
- 238000004804 winding Methods 0.000 claims description 8
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す一次側回路の
要部回路図、第２図は第１図の回路の波形図、第
３図は本考案をスイツチング電源に適用した場合
の具体例である。第４図及び第５図は従来装置の
一次側回路の要部回路図である。
ｎ１……一次巻線、ｎ２１……駆動巻線、ｎ２
２……バイアス巻線、Ｑ……スイツチング素子、
ＳＣ……可飽和リアクトル、Ｔ……トランス、α
……バツフア回路。
Fig. 1 is a circuit diagram of the main part of a primary circuit showing an embodiment of the present invention, Fig. 2 is a waveform diagram of the circuit of Fig. 1, and Fig. 3 is a specific example when the present invention is applied to a switching power supply. It is. FIGS. 4 and 5 are circuit diagrams of main parts of the primary side circuit of the conventional device. n 1 ...Primary winding, n 21 ... Drive winding, n 2
2 ...bias winding, Q...switching element,
SC...Saturable reactor, T...Transformer, α
...Batsuhua circuit.
Claims (1)
次巻線と結合する駆動巻線ｎ２１及びバイアス巻
線ｎ２２を有するトランスと、 この駆動巻線に接続され、一次側から送られた
制御信号に対応するオンオフ信号を出力するバツ
フア回路と、 このバイアス巻線と可飽和リアクトルを介して
接続され、一次側から送られた制御信号に対応す
る信号を整流平滑化して、前記バツフア回路に動
作用電圧を供給する整流平滑化回路と、 このバツフア回路より送られたオンオフ信号に
より制御されるＭＯＳＦＥＴより成るスイツチン
グ素子と、 を具備することを特徴とするスイツチング素子駆
動回路。[Claims for Utility Model Registration] A transformer having a primary winding n1 into which a control signal is input, a drive winding n21 and a bias winding n22 coupled to this primary winding; A buffer circuit that outputs an on/off signal corresponding to the control signal sent from the primary side is connected to this bias winding through a saturable reactor, and rectifies and smoothes the signal corresponding to the control signal sent from the primary side. , a rectifying and smoothing circuit that supplies an operating voltage to the buffer circuit, and a switching element comprising a MOSFET that is controlled by an on/off signal sent from the buffer circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4940589U JPH02138928U (en) | 1989-04-26 | 1989-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4940589U JPH02138928U (en) | 1989-04-26 | 1989-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02138928U true JPH02138928U (en) | 1990-11-20 |
Family
ID=31567066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4940589U Pending JPH02138928U (en) | 1989-04-26 | 1989-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02138928U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003061337A (en) * | 2001-08-20 | 2003-02-28 | Sanken Electric Co Ltd | Gate drive circuit for semiconductor switch |
| WO2006013973A1 (en) * | 2004-08-06 | 2006-02-09 | Ntt Data Ex Techno Corporation | Switching means driving circuit, switching means driving method, power supply device and switching circuit |
| JP2007143387A (en) * | 2005-11-14 | 2007-06-07 | General Electric Co <Ge> | Optical power supply type drive circuit and method for controlling semiconductor switch |
| WO2015068194A1 (en) * | 2013-11-05 | 2015-05-14 | 株式会社日立製作所 | Semiconductor drive device |
-
1989
- 1989-04-26 JP JP4940589U patent/JPH02138928U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003061337A (en) * | 2001-08-20 | 2003-02-28 | Sanken Electric Co Ltd | Gate drive circuit for semiconductor switch |
| WO2006013973A1 (en) * | 2004-08-06 | 2006-02-09 | Ntt Data Ex Techno Corporation | Switching means driving circuit, switching means driving method, power supply device and switching circuit |
| JP2007143387A (en) * | 2005-11-14 | 2007-06-07 | General Electric Co <Ge> | Optical power supply type drive circuit and method for controlling semiconductor switch |
| WO2015068194A1 (en) * | 2013-11-05 | 2015-05-14 | 株式会社日立製作所 | Semiconductor drive device |
| JPWO2015068194A1 (en) * | 2013-11-05 | 2017-03-09 | 株式会社日立製作所 | Semiconductor drive device |
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