JPS6113587U - switching power supply - Google Patents
switching power supplyInfo
- Publication number
- JPS6113587U JPS6113587U JP9514984U JP9514984U JPS6113587U JP S6113587 U JPS6113587 U JP S6113587U JP 9514984 U JP9514984 U JP 9514984U JP 9514984 U JP9514984 U JP 9514984U JP S6113587 U JPS6113587 U JP S6113587U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- power supply
- winding
- base
- switching power
- 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電気回路図、第２図
は従来例を示す電気回路図である。
２，３・・・・・・ＬＥＤ（発光ダイオード）、ＶＤ・
・・・・・，直流電源、Ｑ，・・・・・・ＮＰＮトラン
ジスタ、ＮＰ・・曲１次巻線（主巻線）、ＮＢ・・・・
・・ベース巻線、Ｔ・・・・・・トランス、Ｎ［・・・
・・・補助巻線、Ｑ２・・・・・・ＰＮＰ ｝ランジス
タ。FIG. 1 is an electric circuit diagram showing an embodiment of this invention, and FIG. 2 is an electric circuit diagram showing a conventional example. 2, 3...LED (light emitting diode), VD・
..., DC power supply, Q, ...NPN transistor, NP... curved primary winding (main winding), NB...
...Base winding, T...Transformer, N[...
...Auxiliary winding, Q2...PNP } transistor.
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ト
ランスの２次側に誘起された電力を負荷＋５供給するよ
うにしたスイッチング電源装置において、前記補助回路
と直列にトランジスタを接続し、かつ該トランジスタの
ベースと補助巻線−との間に補助巻線の誘起電圧が所定
値以上の時にベース電流が流れる発光ダイオードを接続
し．たことを特徴とするスイツチング電源装置。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 this switching power supply device, a transistor is connected in series with the auxiliary circuit, and a transistor is connected in series between the base of the transistor and the auxiliary winding -. Connect a light emitting diode whose base current flows when the induced voltage in the auxiliary winding exceeds a predetermined value. A switching power supply device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9514984U JPS6113587U (en) | 1984-06-27 | 1984-06-27 | switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9514984U JPS6113587U (en) | 1984-06-27 | 1984-06-27 | switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6113587U true JPS6113587U (en) | 1986-01-27 |
Family
ID=30654131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9514984U Pending JPS6113587U (en) | 1984-06-27 | 1984-06-27 | switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6113587U (en) |
-
1984
- 1984-06-27 JP JP9514984U patent/JPS6113587U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6113587U (en) | switching power supply | |
| JPS6113586U (en) | switching power supply | |
| JPS6113589U (en) | switching power supply | |
| JPS59161391U (en) | switching control circuit | |
| JPS6113588U (en) | switching power supply | |
| JPS5925989U (en) | Switching transistor drive circuit | |
| JPS5825581U (en) | Transformer reset circuit | |
| JPS6113590U (en) | switching power supply | |
| JPS5895194U (en) | Ringing choke converter | |
| JPS6113585U (en) | switching power supply | |
| JPS5831788U (en) | transistor inverter device | |
| JPS5879897U (en) | Strobe power supply | |
| JPS5843191U (en) | switching power supply circuit | |
| JPS5925990U (en) | chiyotsupa circuit | |
| JPS60181183U (en) | power supply | |
| JPS6099885U (en) | DC power circuit | |
| JPS58193893U (en) | power switch circuit | |
| JPS59185940U (en) | current detection circuit | |
| JPS60108194U (en) | Power supply overcurrent protection circuit | |
| JPS5970215U (en) | AC power equipment | |
| JPS58166290U (en) | switching power supply circuit | |
| JPS5895195U (en) | Self-excited voltage converter | |
| JPS5972885U (en) | Current feedback inverter | |
| JPS59138913U (en) | power circuit | |
| JPS59169139U (en) | electronic fuse |