JPS6113585U - switching power supply - Google Patents
switching power supplyInfo
- Publication number
- JPS6113585U JPS6113585U JP9514784U JP9514784U JPS6113585U JP S6113585 U JPS6113585 U JP S6113585U JP 9514784 U JP9514784 U JP 9514784U JP 9514784 U JP9514784 U JP 9514784U JP S6113585 U JPS6113585 U JP S6113585U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- winding
- transistor
- switching power
- transformer
- 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図はこの考案の一実施例を示す回路図、第２図は従
来のスイッチング電源装置を示す回路図である。
２・・・・・・不イツチ回路、■ｏ・・・・・・直流電
源、Ｑ１・・・・・・ＮＰＮ ｝ランジスタ、ＮＰ・・
・・・・１次巻線（主巻線）、ＮＢ・・・・・・ベース
巻線、Ｔ・・・・・・トランス、ＮＦ２・・・・・・補
助巻線。FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing a conventional switching power supply device. 2...Fault circuit, ■o...DC power supply, Q1...NPN }Transistor, NP...
...Primary winding (main winding), NB...Base winding, T...Transformer, NF2...Auxiliary winding.
Claims (1)
ランジスタのベース巻線とをトランスの１次側に設け、
かつ該トランスに設けられた補助巻線の誘起電圧により
前記トランジスタのベース電流を増加させる補助回路を
ベース巻線に接続、し、前記トランジスタを開閉させて
直流電源から主巻線に流れる電流を断続することにより
ドランスの２次側に誘起された電力を負荷に供給するよ
うにしたスイッチング電源装置において、５前記補助巻
線の誘起電圧が所定値以下になったときに補助回路から
の電流を遮断するスイッチ回路を補助回路とベース巻線
との間に接続したことを特徴とするスイッチング電源装
置。A main winding connected to a DC power supply and a transistor, and a base winding of the transistor are provided on the primary side of the transformer,
and an auxiliary circuit that increases the base current of the transistor by the induced voltage of the auxiliary winding provided in the transformer is connected to the base winding, and the transistor is opened and closed to intermittent the current flowing from the DC power supply to the main winding. In a switching power supply device that supplies power induced on the secondary side of a transformer to a load by A switching power supply device characterized in that a switch circuit is connected between an auxiliary circuit and a base winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9514784U JPS6113585U (en) | 1984-06-27 | 1984-06-27 | switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9514784U JPS6113585U (en) | 1984-06-27 | 1984-06-27 | switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6113585U true JPS6113585U (en) | 1986-01-27 |
Family
ID=30654129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9514784U Pending JPS6113585U (en) | 1984-06-27 | 1984-06-27 | switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6113585U (en) |
-
1984
- 1984-06-27 JP JP9514784U patent/JPS6113585U/en active Pending
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