JPH0210790U - - Google Patents
Info
- Publication number
- JPH0210790U JPH0210790U JP8655488U JP8655488U JPH0210790U JP H0210790 U JPH0210790 U JP H0210790U JP 8655488 U JP8655488 U JP 8655488U JP 8655488 U JP8655488 U JP 8655488U JP H0210790 U JPH0210790 U JP H0210790U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- current
- limiting resistor
- auxiliary power
- control unit
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
その部分図、第３図は従来例の回路図、第４図は
その波形図である。
１…ＭＯＳＦＥＴ（スイツチング素子）、２…
ＰＷＭ回路（制御部）、３，４…抵抗、５…トラ
ンジスタ、６，２０…定電圧ダイオード、７…電
解コンデンサ、８，９…ダイオード、１０…変圧
器、１１，１２…補助巻線、１３…限流抵抗、１
４…定電流回路。
FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is a partial diagram thereof, FIG. 3 is a circuit diagram of a conventional example, and FIG. 4 is a waveform diagram thereof. 1...MOSFET (switching element), 2...
PWM circuit (control unit), 3, 4... Resistor, 5... Transistor, 6, 20... Constant voltage diode, 7... Electrolytic capacitor, 8, 9... Diode, 10... Transformer, 11, 12... Auxiliary winding, 13 ...Current limiting resistance, 1
4... Constant current circuit.
Claims (1)
に限流抵抗を介して交流・直流共用の補助電源を
供給する補助電源回路において、限流抵抗として
定電流回路を使用することを特徴とする補助電源
回路。 An auxiliary power supply circuit that supplies an auxiliary power source for both AC and DC to a control unit disposed on the primary side of a switching element via a current-limiting resistor, characterized in that a constant current circuit is used as the current-limiting resistor. power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086554U JPH0623192Y2 (en) | 1988-06-29 | 1988-06-29 | Auxiliary power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988086554U JPH0623192Y2 (en) | 1988-06-29 | 1988-06-29 | Auxiliary power circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0210790U true JPH0210790U (en) | 1990-01-23 |
| JPH0623192Y2 JPH0623192Y2 (en) | 1994-06-15 |
Family
ID=31311193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988086554U Expired - Fee Related JPH0623192Y2 (en) | 1988-06-29 | 1988-06-29 | Auxiliary power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623192Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4913508U (en) * | 1972-04-28 | 1974-02-05 | ||
| WO2003103121A1 (en) * | 2002-05-30 | 2003-12-11 | サンケン電気株式会社 | Converter |
| JP2012249466A (en) * | 2011-05-30 | 2012-12-13 | Nichicon Corp | Switching power supply device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59144371A (en) * | 1983-02-02 | 1984-08-18 | Ricoh Co Ltd | Switching regulator |
-
1988
- 1988-06-29 JP JP1988086554U patent/JPH0623192Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59144371A (en) * | 1983-02-02 | 1984-08-18 | Ricoh Co Ltd | Switching regulator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4913508U (en) * | 1972-04-28 | 1974-02-05 | ||
| WO2003103121A1 (en) * | 2002-05-30 | 2003-12-11 | サンケン電気株式会社 | Converter |
| JP2012249466A (en) * | 2011-05-30 | 2012-12-13 | Nichicon Corp | Switching power supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623192Y2 (en) | 1994-06-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |