JPH0253232U - - Google Patents
Info
- Publication number
- JPH0253232U JPH0253232U JP13228388U JP13228388U JPH0253232U JP H0253232 U JPH0253232 U JP H0253232U JP 13228388 U JP13228388 U JP 13228388U JP 13228388 U JP13228388 U JP 13228388U JP H0253232 U JPH0253232 U JP H0253232U
- Authority
- JP
- Japan
- Prior art keywords
- gate
- circuit
- parallel
- resistor
- current prevention
- 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
- 230000002265 prevention Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係る突入電流防止回路の一実
施例を示すスイツチング電源回路の回路図、第２
図は従来の突入電流防止回路が実装されたスイツ
チング電源回路の回路図である。
１…突入電流防止回路、リセツト回路兼用回路
、３…インバータ回路、４…制御回路、１１…突
入電流防止回路、１２…リセツト回路、ＣＧ…並
列ゲートコンデンサ、Ｃｉ…入力コンデンサ、Ｄ
Ｓ…ゲート直列ダイオード、Ｎ３…三次巻線、Ｒ
Ｂ…始動抵抗、ＲＧ…並列ゲート抵抗、ＲＳ…ゲ
ート直列抵抗、Ｔｈｙ…サイリスタ。
Fig. 1 is a circuit diagram of a switching power supply circuit showing one embodiment of the inrush current prevention circuit according to the present invention;
The figure is a circuit diagram of a switching power supply circuit equipped with a conventional inrush current prevention circuit. 1...Inrush current prevention circuit, reset circuit combined circuit, 3...Inverter circuit, 4...Control circuit, 11...Inrush current prevention circuit, 12...Reset circuit, CG...Parallel gate capacitor, Ci...Input capacitor, D
S...Gate series diode, N3 ...Tertiary winding, R
B...starting resistance, RG...parallel gate resistance, RS...gate series resistance, Thy...thyristor.
Claims (1)
ング電源回路の突入電流防止回路において、 アノード・カソード間に始動抵抗が接続され、
かつ、ゲート・カソード間に並列ゲートコンデン
サと並列ゲート抵抗とが並列接続された一方向性
スイツチング素子と、 前記トランスに設けられ、かつ、一端子が前記
カソードに、他端子がゲート直列ダイオードとゲ
ート直列抵抗との直列回路を介して前記ゲートに
接続されると共に、前記他端子がスイツチングト
ランジスタのコレクタに接続されてなる三次巻線
とからなることを特徴とする突入電流防止回路。[Claims for Utility Model Registration] In a rush current prevention circuit for a switching power supply circuit having a transformer for an inverter, a starting resistor is connected between an anode and a cathode,
and a unidirectional switching element in which a parallel gate capacitor and a parallel gate resistor are connected in parallel between a gate and a cathode; An inrush current prevention circuit comprising a tertiary winding connected to the gate through a series circuit with a series resistor, and having the other terminal connected to the collector of the switching transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988132283U JP2513744Y2 (en) | 1988-10-12 | 1988-10-12 | Inrush current prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988132283U JP2513744Y2 (en) | 1988-10-12 | 1988-10-12 | Inrush current prevention circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0253232U true JPH0253232U (en) | 1990-04-17 |
| JP2513744Y2 JP2513744Y2 (en) | 1996-10-09 |
Family
ID=31389102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988132283U Expired - Lifetime JP2513744Y2 (en) | 1988-10-12 | 1988-10-12 | Inrush current prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2513744Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248810A (en) * | 2017-07-10 | 2017-10-13 | 马丽娟 | A kind of high-side switch drive circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62123918A (en) * | 1985-11-20 | 1987-06-05 | 富士通株式会社 | Rush-current control circuit |
-
1988
- 1988-10-12 JP JP1988132283U patent/JP2513744Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62123918A (en) * | 1985-11-20 | 1987-06-05 | 富士通株式会社 | Rush-current control circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248810A (en) * | 2017-07-10 | 2017-10-13 | 马丽娟 | A kind of high-side switch drive circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2513744Y2 (en) | 1996-10-09 |
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