JPS63149192U - - Google Patents
Info
- Publication number
- JPS63149192U JPS63149192U JP4061687U JP4061687U JPS63149192U JP S63149192 U JPS63149192 U JP S63149192U JP 4061687 U JP4061687 U JP 4061687U JP 4061687 U JP4061687 U JP 4061687U JP S63149192 U JPS63149192 U JP S63149192U
- Authority
- JP
- Japan
- Prior art keywords
- gate
- winding
- switch
- voltage
- gate voltage
- 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 9
- 230000005669 field effect Effects 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例に係るスイツチング
電源の回路図、第２図は従来例のスイツチング電
源の回路図である。
１はコンバータトランス、５はコンバータトラ
ンスの二次側巻線、９はＦＥＴスイツチ、１０ａ
，１０ｂは出力端子、１１はオン・オフスイツチ
、１４は補助巻線、１５はゲート電圧印加回路。
FIG. 1 is a circuit diagram of a switching power supply according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional switching power supply. 1 is a converter transformer, 5 is a secondary winding of the converter transformer, 9 is a FET switch, 10a
, 10b is an output terminal, 11 is an on/off switch, 14 is an auxiliary winding, and 15 is a gate voltage application circuit.
Claims (1)
と出力端子との間にソース・ドレインを接続され
るとともに、そのソース・ドレイン間に負荷電流
が流れる電界効果トランジスタ（ＦＥＴ）スイツ
チと、 前記ＦＥＴスイツチのゲートと前記二次側巻線
の他端部との間に接続されたオン・オフスイツチ
と、 前記負荷電流の変化に追随する巻線電圧を誘起
する補助巻線と、 前記補助巻線と前記ＦＥＴスイツチのゲートと
の間に接続され、かつ前記補助巻線の巻線電圧か
らゲート電圧を形成するとともにこのゲート電圧
を前記ＦＥＴスイツチのゲートに印加するゲート
電圧印加回路 とを具備したことを特徴とするスイツチング電
源。[Claims for Utility Model Registration] A converter transformer with a source and drain connected between one end of the secondary winding of the converter transformer and an output terminal, and a load current flowing between the source and drain. a field effect transistor (FET) switch; an on/off switch connected between the gate of the FET switch and the other end of the secondary winding; and inducing a winding voltage that follows changes in the load current. an auxiliary winding connected between the auxiliary winding and the gate of the FET switch, forming a gate voltage from the winding voltage of the auxiliary winding and applying this gate voltage to the gate of the FET switch; A switching power supply characterized by comprising: a gate voltage application circuit for applying a gate voltage;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4061687U JPS63149192U (en) | 1987-03-18 | 1987-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4061687U JPS63149192U (en) | 1987-03-18 | 1987-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63149192U true JPS63149192U (en) | 1988-09-30 |
Family
ID=30854856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4061687U Pending JPS63149192U (en) | 1987-03-18 | 1987-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63149192U (en) |
-
1987
- 1987-03-18 JP JP4061687U patent/JPS63149192U/ja active Pending