JPS63194583U - - Google Patents
Info
- Publication number
- JPS63194583U JPS63194583U JP8442287U JP8442287U JPS63194583U JP S63194583 U JPS63194583 U JP S63194583U JP 8442287 U JP8442287 U JP 8442287U JP 8442287 U JP8442287 U JP 8442287U JP S63194583 U JPS63194583 U JP S63194583U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- diode
- series
- resistor
- regulator
- 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
- 238000004804 winding Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Description
第１図は、本考案の実施例を使用したスイツチ
ングレギユレータの要部を示す回路図である。第
２図は、従来のスイツチングレギユレータの要部
を示す回路図である。
１，２…入力端子、３…ブリツジ整流回路、４
…第１の抵抗器、５…サイリスタ、６，１０…コ
ンデンサ、７…スイツチングトランジスタ、８，
１４…ダイオード、９…定電圧ダイオード、１１
…第２の抵抗器、１２…トランス一次巻線、１３
…サイリスタ駆動用巻線、１５…トランジスタ制
御端子。
FIG. 1 is a circuit diagram showing the main parts of a switching regulator using an embodiment of the present invention. FIG. 2 is a circuit diagram showing the main parts of a conventional switching regulator. 1, 2...Input terminal, 3...Bridge rectifier circuit, 4
...first resistor, 5...thyristor, 6,10...capacitor, 7...switching transistor, 8,
14... Diode, 9... Constant voltage diode, 11
...Second resistor, 12...Transformer primary winding, 13
...Thyristor drive winding, 15...Transistor control terminal.
Claims (1)
スの一次巻線に直列に挿入して構成した突入電流
防止回路と、トランスの一次巻線の両端に接続さ
れたサージ吸収回路を有するスイツチングレギユ
レータにおいて、前記サージ吸収回路を、第２の
抵抗器とコンデンサの並列回路にダイオードと定
電圧ダイオードの直列回路を直列に接続して構成
し、前記ダイオードと定電圧ダイオードの直列回
路の両端を前記サイリスタのゲート、カソード間
に接続したことを特徴とするスイツチングレギユ
ータの突入電流防止回路。 A switching regulator having an inrush current prevention circuit configured by inserting a parallel circuit of a first resistor and a thyristor in series into the primary winding of the transformer, and a surge absorption circuit connected to both ends of the primary winding of the transformer. In the regulator, the surge absorption circuit is configured by connecting a series circuit of a diode and a voltage regulator diode in series to a parallel circuit of a second resistor and a capacitor, and connects both ends of the series circuit of the diode and a voltage regulator diode to the parallel circuit of a second resistor and a capacitor. A switching regulator inrush current prevention circuit characterized by being connected between the gate and cathode of a thyristor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8442287U JPS63194583U (en) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8442287U JPS63194583U (en) | 1987-05-29 | 1987-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63194583U true JPS63194583U (en) | 1988-12-14 |
Family
ID=30938908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8442287U Pending JPS63194583U (en) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63194583U (en) |
-
1987
- 1987-05-29 JP JP8442287U patent/JPS63194583U/ja active Pending