JPS624887U - - Google Patents
Info
- Publication number
- JPS624887U JPS624887U JP9600085U JP9600085U JPS624887U JP S624887 U JPS624887 U JP S624887U JP 9600085 U JP9600085 U JP 9600085U JP 9600085 U JP9600085 U JP 9600085U JP S624887 U JPS624887 U JP S624887U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- output
- transistor
- switching
- 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
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案にかかるスイツチング電源回路
図、第２図は従来のスイツチング電源回路図であ
る。
１１……スイツチング回路、１２……トランス
、１３，１５……整流回路、１４，１６……平滑
回路、２１……安定化回路、２２……スイツチ手
段、ＴＲＶ……安定化制御トランジスタ、ＺＤ…
…ツエナーダイオード、Ｒ……抵抗、ＴＲＳ……
スイツチングトランジスタ。
FIG. 1 is a switching power supply circuit diagram according to the present invention, and FIG. 2 is a conventional switching power supply circuit diagram. 11... Switching circuit, 12... Transformer, 13, 15... Rectifying circuit, 14, 16... Smoothing circuit, 21... Stabilizing circuit, 22... Switching means, TRV... Stabilizing control transistor, ZD...
...Zener diode, R...resistor, TRS...
switching transistor.
Claims (1)
力するスイツチング回路と、 スイツチング回路から出力される交流電圧信号
が入力されるトランスと、 トランスの２次巻線出力を整流、平滑化して直
流電圧を発生する整流及び平滑回路と、 該直流電圧を安定化する安定化回路と、 安定化出力電圧の発生をオン／オフするスイツ
チ手段とを有し、 前記安定化回路は前記直流電圧を入力されるト
ランジスタと、 該トランジスタのベースとアース間に接続され
るツエナーダイオードと、 前記平滑回路出力とトランジスタのベース間に
配設される抵抗とを有し、 前記スイツチ手段は前記ベースとアース間をス
イツチング信号により適宜接続あるいは遮断する
構成を有することを特徴とするスイツチング電源
回路。[Claims for Utility Model Registration] A switching circuit that switches input voltage and outputs an AC voltage signal, a transformer to which the AC voltage signal output from the switching circuit is input, and a rectifier that rectifies the output of the secondary winding of the transformer. a rectifying and smoothing circuit that smoothes and generates a DC voltage; a stabilizing circuit that stabilizes the DC voltage; and a switch that turns on/off generation of the stabilized output voltage, and the stabilizing circuit is configured as described above. a transistor to which a DC voltage is input; a Zener diode connected between the base of the transistor and earth; and a resistor disposed between the output of the smoothing circuit and the base of the transistor; What is claimed is: 1. A switching power supply circuit characterized by having a configuration for appropriately connecting or disconnecting between the terminal and ground by a switching signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9600085U JPS624887U (en) | 1985-06-25 | 1985-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9600085U JPS624887U (en) | 1985-06-25 | 1985-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS624887U true JPS624887U (en) | 1987-01-13 |
Family
ID=30961243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9600085U Pending JPS624887U (en) | 1985-06-25 | 1985-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS624887U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5572219A (en) * | 1978-11-27 | 1980-05-30 | Mitsubishi Electric Corp | Power circuit |
-
1985
- 1985-06-25 JP JP9600085U patent/JPS624887U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5572219A (en) * | 1978-11-27 | 1980-05-30 | Mitsubishi Electric Corp | Power circuit |