JPS6370232U - - Google Patents
Info
- Publication number
- JPS6370232U JPS6370232U JP16270386U JP16270386U JPS6370232U JP S6370232 U JPS6370232 U JP S6370232U JP 16270386 U JP16270386 U JP 16270386U JP 16270386 U JP16270386 U JP 16270386U JP S6370232 U JPS6370232 U JP S6370232U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- switching regulator
- current
- relay
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案によるスイツチングレギユレー
タ電源の突入電流抑制回路の一実施例を示す結線
図、第２図は従来のスイツチングレギユレータ電
源の突入電流抑制回路の一例を示す結線図である
。
３ｂ……制御コイル、４……主電流回路、５…
…制御回路、９……全波整流器、１０……限流抵
抗、１１……平滑コンデンサ、１２……リレー、
１２ａ……リレーの常開接点、１７……コンデン
サ、１８……ダイオード。
Fig. 1 is a wiring diagram showing an example of an inrush current suppression circuit for a switching regulator power supply according to the present invention, and Fig. 2 is a wiring diagram showing an example of an inrush current suppression circuit for a conventional switching regulator power supply. It is. 3b... Control coil, 4... Main current circuit, 5...
...Control circuit, 9...Full wave rectifier, 10...Current limiting resistor, 11...Smoothing capacitor, 12...Relay,
12a...Relay normally open contact, 17...Capacitor, 18...Diode.
Claims (1)
制御コイルを有するスイツチングレギユレータを
駆動する電源の整流回路と平滑コンデンサとの間
に挿入された限流抵抗を備えたスイツチングレギ
ユレータ電源の突入電流抑制回路において、常開
接点を有するリレーとコンデンサとの並列回路に
ダイオードを直列接続した回路を前記制御コイル
の両端に接続し、前記リレーの常開接点を前記限
流抵抗と並列に接続したことを特徴とするスイツ
チングレギユレータ電源の突入電流抑制回路。 A switching regulator equipped with a current limiting resistor inserted between a rectifier circuit of a power supply and a smoothing capacitor that drives a switching regulator with a control coil that controls the current of the main current circuit via a control circuit. In the inrush current suppression circuit of the power supply, a circuit in which a diode is connected in series to a parallel circuit of a relay and a capacitor having normally open contacts is connected to both ends of the control coil, and the normally open contacts of the relay are connected in parallel with the current limiting resistor. An inrush current suppression circuit for a switching regulator power supply, characterized in that the circuit is connected to a switching regulator power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986162703U JPH051955Y2 (en) | 1986-10-23 | 1986-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986162703U JPH051955Y2 (en) | 1986-10-23 | 1986-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6370232U true JPS6370232U (en) | 1988-05-11 |
| JPH051955Y2 JPH051955Y2 (en) | 1993-01-19 |
Family
ID=31090220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986162703U Expired - Lifetime JPH051955Y2 (en) | 1986-10-23 | 1986-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH051955Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60121924A (en) * | 1983-11-30 | 1985-06-29 | 日本電気株式会社 | Rush current preventng circuit |
-
1986
- 1986-10-23 JP JP1986162703U patent/JPH051955Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60121924A (en) * | 1983-11-30 | 1985-06-29 | 日本電気株式会社 | Rush current preventng circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051955Y2 (en) | 1993-01-19 |
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