JPS62191386U - - Google Patents
Info
- Publication number
- JPS62191386U JPS62191386U JP7788686U JP7788686U JPS62191386U JP S62191386 U JPS62191386 U JP S62191386U JP 7788686 U JP7788686 U JP 7788686U JP 7788686 U JP7788686 U JP 7788686U JP S62191386 U JPS62191386 U JP S62191386U
- Authority
- JP
- Japan
- Prior art keywords
- prevention circuit
- inrush current
- power supply
- switching regulator
- limiting resistor
- 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
- 230000002265 prevention Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図はスイツチングレギユレータと本考案に
よるその電源の突入電流防止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
ータとその電源の突入電流防止回路の一例を示す
結線図である。
１……直流電流、２……突入電流防止回路、１
２……平滑コンデンサ、１３……リレー、１３ａ
……常開接点。
Fig. 1 is a wiring diagram showing an embodiment of a switching regulator and its power supply inrush current prevention circuit according to the present invention, and Fig. 2 is an example of a conventional switching regulator and its power supply inrush current prevention circuit. FIG. 1...DC current, 2...Inrush current prevention circuit, 1
2... Smoothing capacitor, 13... Relay, 13a
...Normally open contact.
Claims (1)
流抵抗１１との直列回路を介して平滑コンデンサ
を充電し、この平滑コンデンサの充電電圧でスイ
ツチングレギユレータを駆動し、このスイツチン
グレギユレータの出力端子間に直流安定化電圧を
得るスイツチングレギユレータ電源の突入電流防
止回路において、前記出力端子間に常開接点を有
するリレーを接続し、前記常開接点を前記突入電
流防止回路のダイオードと限流抵抗の直列回路に
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防止回路。 A smoothing capacitor is charged by a DC power supply through a series circuit of a diode of an inrush current prevention circuit and a current limiting resistor 11, and a switching regulator is driven by the charging voltage of this smoothing capacitor. In an inrush current prevention circuit of a switching regulator power supply that obtains a DC stabilized voltage between output terminals, a relay having a normally open contact is connected between the output terminals, and the normally open contact is connected to a diode of the inrush current prevention circuit. An inrush current prevention circuit for a switching regulator power supply, characterized in that it is connected in parallel to a series circuit of a current limiting resistor and a current limiting resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7788686U JPS62191386U (en) | 1986-05-23 | 1986-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7788686U JPS62191386U (en) | 1986-05-23 | 1986-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62191386U true JPS62191386U (en) | 1987-12-05 |
Family
ID=30926315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7788686U Pending JPS62191386U (en) | 1986-05-23 | 1986-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62191386U (en) |
-
1986
- 1986-05-23 JP JP7788686U patent/JPS62191386U/ja active Pending