JPS6366092U - - Google Patents
Info
- Publication number
- JPS6366092U JPS6366092U JP15827286U JP15827286U JPS6366092U JP S6366092 U JPS6366092 U JP S6366092U JP 15827286 U JP15827286 U JP 15827286U JP 15827286 U JP15827286 U JP 15827286U JP S6366092 U JPS6366092 U JP S6366092U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- auxiliary power
- supply circuit
- switching transistor
- circuit
- 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 4
- 230000005284 excitation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案によるスイツチングレギユレー
タの一実施例を示すブロツク図、第２図は第１図
中の補助電源回路の一実施例の回路図、第３図は
従来のスイツチングレギユレータの一例のブロツ
ク図、第４図は第３図における補助電源回路の一
例の回路図である。
１，２……整流・平滑回路、３，４……制御回
路、５……ドライブ回路、６……補助電源回路、
Ｔ１……主トランス、Ｔ２……ドライブトランス
、Ｔ３……補助電源トランス、ＰＣ１……ホトカ
プラ、Ｓ１……主スイツチ。
Fig. 1 is a block diagram showing an embodiment of the switching regulator according to the present invention, Fig. 2 is a circuit diagram of an embodiment of the auxiliary power supply circuit in Fig. 1, and Fig. 3 is a circuit diagram of a conventional switching regulator. FIG. 4 is a block diagram of an example of the generator, and FIG. 4 is a circuit diagram of an example of the auxiliary power supply circuit in FIG. 1, 2... Rectifier/smoothing circuit, 3, 4... Control circuit, 5... Drive circuit, 6... Auxiliary power supply circuit,
T1 ...Main transformer, T2 ...Drive transformer, T3 ...Auxiliary power transformer, PC1...Photocoupler, S1 ...Main switch.
Claims (1)
ための補助電源回路を有するスイツチングレギユ
レータにおいて、前記補助電源回路は、該補助電
源回路内の変成器の励磁巻線とスイツチング用ト
ランジスタとの直列回路を直流電源に接続して成
り、しかも該スイツチング用トランジスタのオン
時に発生する電圧を該スイツチング用トランジス
タのベースに正帰還させるためのベース巻線を有
すると共に、該スイツチング用トランジスタのオ
フ時に前記ベース巻線に生じる電圧を安定化する
回路を有して該安定化された電圧を補助電源回路
の出力電圧としたリンギングチヨークコンバータ
であり、一方、前記スイツチングレギユレータの
出力電圧帰還回路中にホトカプラを用いることを
特徴とするスイツチングレギユレータ。 In a switching regulator having an auxiliary power supply circuit used for output voltage control, main transistor drive, etc., the auxiliary power supply circuit is a series circuit of a switching transistor and an excitation winding of a transformer in the auxiliary power supply circuit. is connected to a DC power supply, and has a base winding for positive feedback of the voltage generated when the switching transistor is turned on to the base of the switching transistor, and a base winding that is connected to the base winding when the switching transistor is turned off. The ringing chain converter has a circuit that stabilizes the voltage generated in the line and uses the stabilized voltage as the output voltage of the auxiliary power supply circuit. A switching regulator characterized by using a photocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15827286U JPS6366092U (en) | 1986-10-17 | 1986-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15827286U JPS6366092U (en) | 1986-10-17 | 1986-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6366092U true JPS6366092U (en) | 1988-05-02 |
Family
ID=31081610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15827286U Pending JPS6366092U (en) | 1986-10-17 | 1986-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6366092U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58148680A (en) * | 1982-02-26 | 1983-09-03 | Hitachi Ltd | Self-excited oscillator |
| JPS59201675A (en) * | 1983-04-25 | 1984-11-15 | エヌ・シ−・ア−ル・コ−ポレ−シヨン | Oscillating frequency stabilizing method for dc stabilized power source |
-
1986
- 1986-10-17 JP JP15827286U patent/JPS6366092U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58148680A (en) * | 1982-02-26 | 1983-09-03 | Hitachi Ltd | Self-excited oscillator |
| JPS59201675A (en) * | 1983-04-25 | 1984-11-15 | エヌ・シ−・ア−ル・コ−ポレ−シヨン | Oscillating frequency stabilizing method for dc stabilized power source |