JPS62111784U - - Google Patents
Info
- Publication number
- JPS62111784U JPS62111784U JP20395485U JP20395485U JPS62111784U JP S62111784 U JPS62111784 U JP S62111784U JP 20395485 U JP20395485 U JP 20395485U JP 20395485 U JP20395485 U JP 20395485U JP S62111784 U JPS62111784 U JP S62111784U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- resistor
- converter
- current detection
- zener diode
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来例の回路図である。
２…コンバータを構成するトランジスタ、３…
トランス、４…制御回路、５…電流検出抵抗、８
…整流平滑回路、９…電圧検出回路、１３…過電
圧検出回路、１４…一次巻線、１５…補助巻線、
１６…二次巻線、２５…第２のトランジスタ、４
３…サイリスタ、４４…ツエナーダイオード、４
５…抵抗。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram of a conventional example. 2...Transistor constituting the converter, 3...
Transformer, 4... Control circuit, 5... Current detection resistor, 8
... rectifier smoothing circuit, 9 ... voltage detection circuit, 13 ... overvoltage detection circuit, 14 ... primary winding, 15 ... auxiliary winding,
16...Secondary winding, 25...Second transistor, 4
3... Thyristor, 44... Zener diode, 4
5...Resistance.
Claims (1)
レギユレータにおいて、コンバータを構成するト
ランジスタのエミツタアース間に電流検出抵抗を
挿入し、電流検出抵抗の両端電圧により制御され
る第２のトランジスタを上記トランジスタのベー
スアース間に接続すると共に、ツエナーダイオー
ドと抵抗との直列回路と、該ツエナーダイオード
と抵抗との接続点の電圧で制御されるサイリスタ
とを、コンバータの二次側に設けた整流平滑回路
の出力端に並列に接続して成る定電圧電源回路。 In a ringing chain-yoke converter type switching regulator, a current detection resistor is inserted between the emitter ground of the transistor that constitutes the converter, and a second transistor controlled by the voltage across the current detection resistor is inserted between the base ground of the transistor. At the same time, a series circuit of a Zener diode and a resistor and a thyristor controlled by the voltage at the connection point between the Zener diode and the resistor are connected in parallel to the output end of a rectifying and smoothing circuit provided on the secondary side of the converter. A constant voltage power supply circuit that is connected to
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20395485U JPS62111784U (en) | 1985-12-30 | 1985-12-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20395485U JPS62111784U (en) | 1985-12-30 | 1985-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62111784U true JPS62111784U (en) | 1987-07-16 |
Family
ID=31169768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20395485U Pending JPS62111784U (en) | 1985-12-30 | 1985-12-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62111784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008154373A (en) * | 2006-12-18 | 2008-07-03 | Rb Controls Co | Switching power source |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
1985
- 1985-12-30 JP JP20395485U patent/JPS62111784U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008154373A (en) * | 2006-12-18 | 2008-07-03 | Rb Controls Co | Switching power source |
| JP4698567B2 (en) * | 2006-12-18 | 2011-06-08 | アール・ビー・コントロールズ株式会社 | Switching power supply |