JPH0272682U - - Google Patents
Info
- Publication number
- JPH0272682U JPH0272682U JP14850588U JP14850588U JPH0272682U JP H0272682 U JPH0272682 U JP H0272682U JP 14850588 U JP14850588 U JP 14850588U JP 14850588 U JP14850588 U JP 14850588U JP H0272682 U JPH0272682 U JP H0272682U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- output
- voltage side
- power supply
- switching element
- 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 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
- Rectifiers (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案による電源供給回路の一実施例
を示す回路図である。第２図は従来の電源供給回
路の一例を示す回路図、第３図は第２図の電源供
給回路による出力の状態を示すグラフである。
１０……電源供給回路；１１……第一の回路；
１２，２２……整流平滑回路；１３，２３……出
力端子；２４……制御回路；２５，２６，２８…
…トランジスタ；２７……ツエナーダイオード；
２９……レギユレータ；３０……電解コンデンサ
。
FIG. 1 is a circuit diagram showing an embodiment of a power supply circuit according to the present invention. FIG. 2 is a circuit diagram showing an example of a conventional power supply circuit, and FIG. 3 is a graph showing the state of the output from the power supply circuit of FIG. 10...Power supply circuit; 11...First circuit;
12, 22... Rectifying and smoothing circuit; 13, 23... Output terminal; 24... Control circuit; 25, 26, 28...
...Transistor; 27...Zener diode;
29...regulator; 30...electrolytic capacitor.
Claims (1)
圧を供給するため、それぞれの電圧に関して個別
に二次コイル及び整流平滑回路を有していて、独
立的に上記二つの電圧を供給するようにした電源
供給回路において、 第一の電圧側の出力がスイツチング素子を介し
て第二の電圧側の出力に接続されており、該第二
の電圧側の出力が所定電圧を越えたとき該スイツ
チング素子をオフするようにしたことを特徴とす
る、電源供給回路。[Claims for Utility Model Registration] In order to supply a relatively high first voltage and a relatively low second voltage, a secondary coil and a rectifying and smoothing circuit are separately provided for each voltage, and each voltage is independently provided. In the power supply circuit configured to supply the above two voltages, the output on the first voltage side is connected to the output on the second voltage side via a switching element, and the output on the second voltage side is connected to the output on the second voltage side. A power supply circuit characterized in that the switching element is turned off when a predetermined voltage is exceeded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14850588U JPH0272682U (en) | 1988-11-16 | 1988-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14850588U JPH0272682U (en) | 1988-11-16 | 1988-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272682U true JPH0272682U (en) | 1990-06-04 |
Family
ID=31419891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14850588U Pending JPH0272682U (en) | 1988-11-16 | 1988-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272682U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61234411A (en) * | 1985-04-10 | 1986-10-18 | Matsushita Electric Ind Co Ltd | Power supply circuit |
-
1988
- 1988-11-16 JP JP14850588U patent/JPH0272682U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61234411A (en) * | 1985-04-10 | 1986-10-18 | Matsushita Electric Ind Co Ltd | Power supply circuit |
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