JPS5986887U - Switching regulator inrush current control circuit - Google Patents
Switching regulator inrush current control circuitInfo
- Publication number
- JPS5986887U JPS5986887U JP18378382U JP18378382U JPS5986887U JP S5986887 U JPS5986887 U JP S5986887U JP 18378382 U JP18378382 U JP 18378382U JP 18378382 U JP18378382 U JP 18378382U JP S5986887 U JPS5986887 U JP S5986887U
- Authority
- JP
- Japan
- Prior art keywords
- inrush current
- switching regulator
- control circuit
- current control
- thyristor
- 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
Landscapes
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図、第２図はこの種回路の従来例を示す回路図、第
５図は従来例の入力電流波形図１．第３図は本考案の一
実施例を示す回路図、第４図はその点弧回路、第６図、
第７図は本考案例の各部波形を示す図である。
１・・・・・・交流電源、７・・・・・・コンデンサ、
８・・・・・・スイッチングレギ、ユレータ主回路部、
１２・・・・・・サイリスタ、１３・・・・・・点弧回
路。1 and 2 are circuit diagrams showing conventional examples of this type of circuit, and FIG. 5 is an input current waveform diagram of the conventional example. Fig. 3 is a circuit diagram showing an embodiment of the present invention, Fig. 4 is its ignition circuit, Fig. 6,
FIG. 7 is a diagram showing waveforms of various parts of the example of the present invention. 1... AC power supply, 7... Capacitor,
8...Switching leg, ulator main circuit section,
12...Thyristor, 13...Ignition circuit.
Claims (1)
トランジスタにより高い周波数でスイッチングして変圧
器を経て二次整流をおこない直流出力を得るスイッチン
グレギュレータに於て、直接整流する一次整流素子にサ
イリスタを用い、頽サイリスタの点弧信号を電源と同期
して電源投入時より最も遅れた位相から次第に位相を進
めることによりコンデンサの突入電流を抑制することを
特徴とするスイッチングレギュレータの突入電流抑制回
路。Directly rectify the AC power supply and smooth the DC with a capacitor,
In a switching regulator that obtains a DC output by switching at a high frequency using a transistor and performing secondary rectification via a transformer, a thyristor is used as the primary rectifying element for direct rectification, and the firing signal of the thyristor is synchronized with the power supply. An inrush current suppression circuit for a switching regulator that suppresses inrush current in a capacitor by gradually advancing the phase from the phase that is the most delayed from when power is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18378382U JPS5986887U (en) | 1982-12-03 | 1982-12-03 | Switching regulator inrush current control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18378382U JPS5986887U (en) | 1982-12-03 | 1982-12-03 | Switching regulator inrush current control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5986887U true JPS5986887U (en) | 1984-06-12 |
Family
ID=30397664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18378382U Pending JPS5986887U (en) | 1982-12-03 | 1982-12-03 | Switching regulator inrush current control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5986887U (en) |
-
1982
- 1982-12-03 JP JP18378382U patent/JPS5986887U/en active Pending
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