JPH0249380U - - Google Patents
Info
- Publication number
- JPH0249380U JPH0249380U JP12588588U JP12588588U JPH0249380U JP H0249380 U JPH0249380 U JP H0249380U JP 12588588 U JP12588588 U JP 12588588U JP 12588588 U JP12588588 U JP 12588588U JP H0249380 U JPH0249380 U JP H0249380U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- power supply
- supply device
- output
- light emitting
- 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)
- Rectifiers (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は他の実施例を示す要部の回路図、第３図は従
来例を示す回路図である。
１５……トランス、１６……トランジスタ（ス
イツチング素子）、１７……制御回路、１９……
フイルタ回路、２３，２４……出力端子、２５…
…トランスタツプ、２９……発光ダイオード（発
光素子）。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram of a main part showing another embodiment, and FIG. 3 is a circuit diagram showing a conventional example. 15...Transformer, 16...Transistor (switching element), 17...Control circuit, 19...
Filter circuit, 23, 24... Output terminal, 25...
...trans tap, 29...light emitting diode (light emitting element).
Claims (1)
グ素子を制御回路にて制御し、前記トランスの二
次側に接続されたフイルタ回路を介し出力端子間
に所定の電圧を得る電源装置において、前記トラ
ンスの二次側のトランスタツプと前記一方の出力
端子間に出力表示用の発光素子を接続したことを
特徴とする電源装置。 In a power supply device, a switching element connected in series to the primary side of the transformer is controlled by a control circuit, and a predetermined voltage is obtained between output terminals via a filter circuit connected to the secondary side of the transformer. A power supply device characterized in that a light emitting element for output display is connected between the next transformer tap and the one output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12588588U JPH0249380U (en) | 1988-09-27 | 1988-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12588588U JPH0249380U (en) | 1988-09-27 | 1988-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0249380U true JPH0249380U (en) | 1990-04-05 |
Family
ID=31376888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12588588U Pending JPH0249380U (en) | 1988-09-27 | 1988-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010143239A1 (en) * | 2009-06-09 | 2010-12-16 | ニッタ株式会社 | Direct-current power supply device and led lighting device |
-
1988
- 1988-09-27 JP JP12588588U patent/JPH0249380U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010143239A1 (en) * | 2009-06-09 | 2010-12-16 | ニッタ株式会社 | Direct-current power supply device and led lighting device |