JPS612782U - Starting circuit for separately excited switching regulator - Google Patents
Starting circuit for separately excited switching regulatorInfo
- Publication number
- JPS612782U JPS612782U JP8612084U JP8612084U JPS612782U JP S612782 U JPS612782 U JP S612782U JP 8612084 U JP8612084 U JP 8612084U JP 8612084 U JP8612084 U JP 8612084U JP S612782 U JPS612782 U JP S612782U
- Authority
- JP
- Japan
- Prior art keywords
- converter transformer
- switching regulator
- winding
- starting circuit
- separately excited
- 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
- Dc-Dc Converters (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図は本考案に係る他励式スイッチングレギュレータ
の起動回路を示す回路図、第２図は従来の他励式スイッ
チングレギュレータの起動回路を示す回路図、第３図は
坤の従来例を示す起動回路゜τフフ″ｆ．＝−ＳｉＴＭ
−カー、３−！Ｉ．′路、４・・・・・・パルス幅制御
回路、Ｔｒ１・・・・・・スイッチングトランジスタ、
Ｔ１・・・・・・コンバータトランス、Ｎ１， Ｎ２，
Ｎ３， Ｎ４・・・・−・巻線、Ｒ１， Ｒ２・・・
・・・抵抗、Ｃエ，Ｃ２，Ｃ３・・・・・・コンデンサ
、Ｄ，Ｄ２・・・・・・ダイオード。Fig. 1 is a circuit diagram showing a starting circuit of a separately commutated switching regulator according to the present invention, Fig. 2 is a circuit diagram showing a starting circuit of a conventional separately commutated switching regulator, and Fig. 3 is a starting circuit showing a conventional example.゜τfufu″f.=-SiTM
-Car, 3-! I. 'path, 4...Pulse width control circuit, Tr1...Switching transistor,
T1...Converter transformer, N1, N2,
N3, N4...- Winding, R1, R2...
...Resistor, C, C2, C3... Capacitor, D, D2... Diode.
Claims (1)
バータトランス及ｑこの一次側巻線に接統したスイッチ
ングトランジスタを有し、このトランジスタを、前記コ
ンバータトランスの巻線より得た電源にて駆動されるパ
ルス幅制御回路からの制御信号によって、スイッチング
制御して二次側巻線より安定化直流出力全得るよ１うに
構成した他励式スイッチングレギュレータにおいて、前
記コンバータトランスに前記スイツチングトランジ２ス
タのベーろ電流振込み用巻線を設，けこの巻碑を前記ス
イッチングトランジスタのベース・エミツ−タ間に抵抗
とコンデンサを介して接続する一方、前記整流回路の出
力端と前記パルス幅＠Ｕ御回路の電源供給端間を抵抗に
て接続するように構成したことを特徴とする仙励式スイ
ッチングレギュレータの起動回路。It has a converter transformer to which the output obtained by rectifying the AC power supply in a rectifier circuit is supplied, and a switching transistor connected to the primary winding, and this transistor is driven by the power obtained from the winding of the converter transformer. In the separately excited switching regulator, the converter transformer is connected to the converter transformer, and the switching transistor 2-star is connected to the converter transformer. A winding for transferring current is provided, and the winding is connected between the base and emitter of the switching transistor via a resistor and a capacitor, while the output end of the rectifier circuit and the pulse width @U control circuit are connected. A starting circuit for a centrifugal switching regulator, characterized in that the power supply terminals of the regulator are connected through a resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8612084U JPS612782U (en) | 1984-06-12 | 1984-06-12 | Starting circuit for separately excited switching regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8612084U JPS612782U (en) | 1984-06-12 | 1984-06-12 | Starting circuit for separately excited switching regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS612782U true JPS612782U (en) | 1986-01-09 |
Family
ID=30637133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8612084U Pending JPS612782U (en) | 1984-06-12 | 1984-06-12 | Starting circuit for separately excited switching regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS612782U (en) |
-
1984
- 1984-06-12 JP JP8612084U patent/JPS612782U/en active Pending
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