JPS61169483U - - Google Patents
Info
- Publication number
- JPS61169483U JPS61169483U JP5149785U JP5149785U JPS61169483U JP S61169483 U JPS61169483 U JP S61169483U JP 5149785 U JP5149785 U JP 5149785U JP 5149785 U JP5149785 U JP 5149785U JP S61169483 U JPS61169483 U JP S61169483U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- photocoupler
- converter
- switch
- control
- 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
- 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ブロツク図
、第２図は第１図の実施例の詳細な回路図、第３
図と第４図は従来例を示すブロツク図、第５図は
この考案と比較するための回路例を示す図である
。
１……整流回路、２……リンギングチヨークコ
ンバータ、３……整流回路、１０……スイツチ、
７……フオトカプラ、７ａ……フオトトランジス
タ、７ｂ……発光ダイオード。
Fig. 1 is a block diagram showing one embodiment of this invention, Fig. 2 is a detailed circuit diagram of the embodiment of Fig. 1, and Fig. 3 is a detailed circuit diagram of the embodiment of Fig. 1.
4 and 4 are block diagrams showing a conventional example, and FIG. 5 is a diagram showing an example of a circuit for comparison with this invention. 1... Rectifier circuit, 2... Ringing chain converter, 3... Rectifier circuit, 10... Switch,
7...Photocoupler, 7a...Phototransistor, 7b...Light emitting diode.
Claims (1)
た電圧制御用スイツチングトランジスタのオンオ
フ比の制御にフオトカプラのフオトトランジスタ
を接続するとともに、該コンバータの２次側に電
圧制御用のフオトカプラの発光ダイオードを設け
たスイツチングレギユレータにおいて、該スイツ
チングレギユレータの２次側の電圧出力側に負荷
に供給する出力をオンオフするスイツチを設ける
とともに、該スイツチがオフ側へ切換えられたと
き、コンバータの２次側電圧を低く制御するよう
に、上記フオトカプラの発光ダイオードを駆動す
る回路を備えたことを特徴とするスイツチングレ
ギユレータ。 A switch in which a phototransistor of a photocoupler is connected to control the on-off ratio of a switching transistor for voltage control provided on the primary side of the ringing chain yoke converter, and a light emitting diode of the photocoupler for voltage control is provided on the secondary side of the converter. In the switching regulator, a switch is provided on the voltage output side of the secondary side of the switching regulator to turn on/off the output supplied to the load, and when the switch is switched to the off side, the voltage output on the secondary side of the converter is A switching regulator comprising a circuit for driving a light emitting diode of the photocoupler so as to control the voltage to a low level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5149785U JPS61169483U (en) | 1985-04-06 | 1985-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5149785U JPS61169483U (en) | 1985-04-06 | 1985-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61169483U true JPS61169483U (en) | 1986-10-21 |
Family
ID=30570600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5149785U Pending JPS61169483U (en) | 1985-04-06 | 1985-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61169483U (en) |
-
1985
- 1985-04-06 JP JP5149785U patent/JPS61169483U/ja active Pending