JPH0476184U - - Google Patents
Info
- Publication number
- JPH0476184U JPH0476184U JP11838690U JP11838690U JPH0476184U JP H0476184 U JPH0476184 U JP H0476184U JP 11838690 U JP11838690 U JP 11838690U JP 11838690 U JP11838690 U JP 11838690U JP H0476184 U JPH0476184 U JP H0476184U
- Authority
- JP
- Japan
- Prior art keywords
- converter transformer
- power supply
- transistor
- winding
- base
- 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 7
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図は第１図例における各部波形図、第３図は従
来例を示す構成図、第４図は第３図例における各
部波形図、第５図は従来例と実施例のスイツチン
グ損失の比較を示す図である。
２……コンバータトランス、２Ｐ……１次巻線
、２Ｓ……２次巻線、２Ｂ……ベース巻線、３，
２４……トランジスタ、７，１６，２５……コン
デンサ、８，１３，１４……ダイオード、１５…
…チヨークコイル、２１……比較器。
Fig. 1 is a block diagram showing an embodiment of this invention, Fig. 2 is a waveform diagram of various parts in the example shown in Fig. 1, Fig. 3 is a block diagram showing a conventional example, and Fig. 4 is a waveform diagram of various parts in the example shown in Fig. 3. FIG. 5 is a diagram showing a comparison of switching loss between a conventional example and an example. 2...Converter transformer, 2P...Primary winding, 2S...Secondary winding, 2B...Base winding, 3,
24...Transistor, 7,16,25...Capacitor, 8,13,14...Diode, 15...
...Chiyoke coil, 21...Comparator.
Claims (1)
びトランジスタで構成されるスイツチング素子の
直列回路に接続され、上記トランジスタのベース
には上記コンバータトランスのベース巻線が接続
されると共に、起動用の抵抗器を介して上記直流
電源が接続され、上記コンバータトランスの２次
巻線に誘起される電圧を整流平滑して出力電圧を
得るオン・オン型スイツチング電源装置において
、 上記トランジスタのコレクタ・エミツタと並列
に上記コンバータトランスの１次巻線と共に共振
回路を構成するコンデンサを接続することを特徴
とするオン・オン型スイツチング電源装置。[Claims for Utility Model Registration] A DC power supply is connected to a series circuit of a switching element consisting of a primary winding of a converter transformer and a transistor, and the base winding of the converter transformer is connected to the base of the transistor. In addition, in the on-on type switching power supply device, the DC power supply is connected via a starting resistor, and an output voltage is obtained by rectifying and smoothing the voltage induced in the secondary winding of the converter transformer, wherein the transistor An on-on type switching power supply device, characterized in that a capacitor forming a resonant circuit together with the primary winding of the converter transformer is connected in parallel with the collector/emitter of the converter transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11838690U JPH0476184U (en) | 1990-11-09 | 1990-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11838690U JPH0476184U (en) | 1990-11-09 | 1990-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476184U true JPH0476184U (en) | 1992-07-02 |
Family
ID=31866302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11838690U Pending JPH0476184U (en) | 1990-11-09 | 1990-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476184U (en) |
-
1990
- 1990-11-09 JP JP11838690U patent/JPH0476184U/ja active Pending