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
Application number
JP4061687U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4061687U priority Critical patent/JPS63149192U/ja
Publication of JPS63149192U publication Critical patent/JPS63149192U/ja
Pending legal-status Critical Current

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  • Dc-Dc Converters (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】 コンバータトランスと、 このコンバータトランスの二次側巻線の一端部
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;
JP4061687U 1987-03-18 1987-03-18 Pending JPS63149192U (en)

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)

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