JPH0226382U - - Google Patents
Info
- Publication number
- JPH0226382U JPH0226382U JP10269488U JP10269488U JPH0226382U JP H0226382 U JPH0226382 U JP H0226382U JP 10269488 U JP10269488 U JP 10269488U JP 10269488 U JP10269488 U JP 10269488U JP H0226382 U JPH0226382 U JP H0226382U
- Authority
- JP
- Japan
- Prior art keywords
- output
- power supply
- switching element
- voltage
- type
- 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 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第1図は本考案の一実施例に係る多出力電源装
置の回路図、第2図は従来例に係る多出力電源装
置の回路図である。
1……交流電源、T1……変換用トランス、Q
3,Q11……スイツチング素子としてのFET
、D11,C11……コンデンサ入力型整流平滑
回路。
FIG. 1 is a circuit diagram of a multi-output power supply device according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a multi-output power supply device according to a conventional example. 1... AC power supply, T 1 ... Conversion transformer, Q
3 , Q 11 ...FET as a switching element
, D 11 , C 11 ... Capacitor input type rectifying and smoothing circuit.
Claims (1)
換用トランスの1次巻線とスイツチング素子の直
列回路に印加し、前記スイツチング素子を適宜な
デユーテイでオン、オフして前記トランスの2次
巻線に電圧を誘起すると共にこの電圧を整流平滑
回路を介して整流、平滑して安定した第1の直流
出力を得、一方、誘起された電圧をMOS型FE
Tをスイツチング素子とするチヨツパ型DC/D
Cコンバータへ入力し、安定した第2の直流出力
を得る多出力電源装置において、前記MOS型F
ETのゲート用電源として前記変換用トランスの
2次巻線側に別途コンデンサ入力型整流平滑回路
を設けたことを特徴とする多出力電源装置。 The DC output obtained by rectifying and smoothing the AC input is applied to the series circuit of the primary winding of the conversion transformer and the switching element, and the switching element is turned on and off at an appropriate duty to convert the secondary winding of the transformer. A voltage is induced in the line, and this voltage is rectified and smoothed through a rectification and smoothing circuit to obtain a stable first DC output, while the induced voltage is passed through a MOS type FE.
Choppa type DC/D with T as a switching element
In the multi-output power supply device that inputs to the C converter and obtains a stable second DC output, the MOS type F
A multi-output power supply device characterized in that a capacitor input type rectifying and smoothing circuit is separately provided on the secondary winding side of the conversion transformer as a power supply for the gate of the ET.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10269488U JPH0226382U (en) | 1988-08-04 | 1988-08-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10269488U JPH0226382U (en) | 1988-08-04 | 1988-08-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0226382U true JPH0226382U (en) | 1990-02-21 |
Family
ID=31332838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10269488U Pending JPH0226382U (en) | 1988-08-04 | 1988-08-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0226382U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001054257A1 (en) * | 2000-01-21 | 2001-07-26 | Matsushita Electric Industrial Co., Ltd. | Power supply and electronic device using power supply |
-
1988
- 1988-08-04 JP JP10269488U patent/JPH0226382U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001054257A1 (en) * | 2000-01-21 | 2001-07-26 | Matsushita Electric Industrial Co., Ltd. | Power supply and electronic device using power supply |