JPS6445493U - - Google Patents
Info
- Publication number
- JPS6445493U JPS6445493U JP13870387U JP13870387U JPS6445493U JP S6445493 U JPS6445493 U JP S6445493U JP 13870387 U JP13870387 U JP 13870387U JP 13870387 U JP13870387 U JP 13870387U JP S6445493 U JPS6445493 U JP S6445493U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- output
- smoothing
- primary winding
- winding
- 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
- 238000009499 grossing Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は、この考案の一実施例に係るスイツチ
ング電源装置を示す回路図である。第２図は、第
１図中の電圧ＶＬの波形の一例を示す図である。
第３図は、従来のスイツチング電源装置の一例を
示す回路図である。
２……制御回路、４……スイツチングトランジ
スタ、６′……変圧器、８，１８……整流ダイオ
ード、１０……環流ダイオード、１４，２２，２
４……平滑コンデンサ、３０……レギユレータ、
３２……第２の変圧器。
FIG. 1 is a circuit diagram showing a switching power supply device according to an embodiment of this invention. FIG. 2 is a diagram showing an example of the waveform of voltage VL in FIG. 1.
FIG. 3 is a circuit diagram showing an example of a conventional switching power supply device. 2... Control circuit, 4... Switching transistor, 6'... Transformer, 8, 18... Rectifier diode, 10... Freewheeling diode, 14, 22, 2
4... Smoothing capacitor, 30... Regulator,
32...Second transformer.
Claims (1)
ツチング回路によつてスイツチングし、当該変圧
器の２次巻線に出力される交流をラインに直列接
続された整流器および平滑コイル並びにラインに
並列接続された環流ダイオードおよび平滑コンデ
ンサを含む整流回路によつて整流および平滑化し
、かつ当該整流回路の出力部より当該変圧器の１
次側にフイードバツクをかけ、それによつて定電
圧化された直流出力を得るよう構成したスイツチ
ング電源装置において、前記平滑コイルとして第
２の変圧器の１次巻線を接続し、当該変圧器の２
次巻線から第２の整流回路を通して第２の直流出
力を取り出すよう構成したことを特徴とするスイ
ツチング電源装置。 The DC input supplied to the primary winding of the transformer is switched by a switching circuit, and the AC output to the secondary winding of the transformer is connected to the rectifier and smoothing coil connected in series with the line, and in parallel with the line. Rectification and smoothing are performed by a rectifier circuit including a connected freewheeling diode and a smoothing capacitor, and the output of the transformer is
In a switching power supply device configured to apply feedback to the next side and thereby obtain a constant voltage DC output, the primary winding of a second transformer is connected as the smoothing coil, and the primary winding of the second transformer is connected as the smoothing coil.
A switching power supply device characterized in that the second DC output is taken out from the next winding through a second rectifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13870387U JPS6445493U (en) | 1987-09-10 | 1987-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13870387U JPS6445493U (en) | 1987-09-10 | 1987-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6445493U true JPS6445493U (en) | 1989-03-20 |
Family
ID=31401288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13870387U Pending JPS6445493U (en) | 1987-09-10 | 1987-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6445493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001178133A (en) * | 1999-12-10 | 2001-06-29 | Matsushita Electric Ind Co Ltd | Power supply |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54140153A (en) * | 1978-04-24 | 1979-10-31 | Toko Inc | Multiichannel switching power unit |
| JPS61295870A (en) * | 1985-06-24 | 1986-12-26 | Hitachi Metals Ltd | Multioutput dc/dc converter |
-
1987
- 1987-09-10 JP JP13870387U patent/JPS6445493U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54140153A (en) * | 1978-04-24 | 1979-10-31 | Toko Inc | Multiichannel switching power unit |
| JPS61295870A (en) * | 1985-06-24 | 1986-12-26 | Hitachi Metals Ltd | Multioutput dc/dc converter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001178133A (en) * | 1999-12-10 | 2001-06-29 | Matsushita Electric Ind Co Ltd | Power supply |
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