JPS61171488U - - Google Patents
Info
- Publication number
- JPS61171488U JPS61171488U JP5361885U JP5361885U JPS61171488U JP S61171488 U JPS61171488 U JP S61171488U JP 5361885 U JP5361885 U JP 5361885U JP 5361885 U JP5361885 U JP 5361885U JP S61171488 U JPS61171488 U JP S61171488U
- Authority
- JP
- Japan
- Prior art keywords
- power
- power supply
- supply circuit
- auxiliary
- rectifier
- 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 2
Description
第１図は本考案の一つの実施例を説明するため
の回路図、第２図は従来の回路図を示すものであ
る。
１……入力電源、２……主トランジスタ、３…
…主トランス、４……フオトカプラ、５……制御
回路部（パルス幅変調制御）、６……抵抗、７…
…トランジスタ、８……ダイオード、９……ツエ
ナーダイオード、１０……ダイオード、１１……
抵抗、１２……ツエナーダイオード。
FIG. 1 is a circuit diagram for explaining one embodiment of the present invention, and FIG. 2 is a conventional circuit diagram. 1...Input power supply, 2...Main transistor, 3...
...Main transformer, 4...Photocoupler, 5...Control circuit section (pulse width modulation control), 6...Resistor, 7...
...Transistor, 8...Diode, 9...Zener diode, 10...Diode, 11...
Resistor, 12... Zener diode.
Claims (1)
力を供給するための補助電源回路が、入力電源整
流部からの電力と、主トランスからの帰還電力の
２つから成つている時、入力電源整流部からの電
力はツエナーダイオードを通して供給されること
を特徴とする前記補助電源回路を備えるスイツチ
ング電源。 When the auxiliary power supply circuit for operating the main switch and supplying power to its control section consists of two parts: power from the input power rectifier and feedback power from the main transformer, the input power rectifier A switching power supply comprising the auxiliary power supply circuit, characterized in that power from the auxiliary power supply circuit is supplied through a Zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5361885U JPS61171488U (en) | 1985-04-12 | 1985-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5361885U JPS61171488U (en) | 1985-04-12 | 1985-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61171488U true JPS61171488U (en) | 1986-10-24 |
Family
ID=30574653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5361885U Pending JPS61171488U (en) | 1985-04-12 | 1985-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61171488U (en) |
-
1985
- 1985-04-12 JP JP5361885U patent/JPS61171488U/ja active Pending