JPS61202183U - - Google Patents
Info
- Publication number
- JPS61202183U JPS61202183U JP8385785U JP8385785U JPS61202183U JP S61202183 U JPS61202183 U JP S61202183U JP 8385785 U JP8385785 U JP 8385785U JP 8385785 U JP8385785 U JP 8385785U JP S61202183 U JPS61202183 U JP S61202183U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- auxiliary power
- zener diode
- power
- 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
- 239000003990 capacitor Substances 0.000 description 2
Landscapes
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第1図は本考案の一つの実施例を示す回路図、
第2図は第1図に示すもののサージ電流を説明す
るための図、第3図、第5図はそれぞれ従来より
考えられている例を示す回路図、第4図は第3図
に示すもののサージ電流を説明するための図であ
る。
1……入力電源、3……主トランジスタ、4…
…トランス、9……制御回路、10……トランジ
スタ、11……抵抗、12……ツエナーダイオー
ド、16……サイリスタ、17……抵抗、18…
…コンデンサ、19……ツエナーダイオード、2
3……コンデンサ。
FIG. 1 is a circuit diagram showing one embodiment of the present invention,
Figure 2 is a diagram for explaining the surge current of the circuit shown in Figure 1, Figures 3 and 5 are circuit diagrams showing conventionally considered examples, and Figure 4 is a circuit diagram of the circuit shown in Figure 3. FIG. 3 is a diagram for explaining surge current. 1...Input power supply, 3...Main transistor, 4...
...Transformer, 9...Control circuit, 10...Transistor, 11...Resistor, 12...Zener diode, 16...Thyristor, 17...Resistor, 18...
... Capacitor, 19 ... Zener diode, 2
3... Capacitor.
Claims (1)
力を供給するための補助電源が起動時入力電源整
流部からツエナーダイオードを通して供給される
回路において、その補助電源回路に時定数回路を
設けたことを特徴とするスイツチング電源装置。 A circuit in which the auxiliary power for operating the main switch and supplying power to the control section is supplied from the input power rectifier through the Zener diode at startup, characterized in that the auxiliary power supply circuit is provided with a time constant circuit. Switching power supply.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8385785U JPS61202183U (en) | 1985-06-05 | 1985-06-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8385785U JPS61202183U (en) | 1985-06-05 | 1985-06-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61202183U true JPS61202183U (en) | 1986-12-18 |
Family
ID=30632861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8385785U Pending JPS61202183U (en) | 1985-06-05 | 1985-06-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61202183U (en) |
-
1985
- 1985-06-05 JP JP8385785U patent/JPS61202183U/ja active Pending
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