JPS6329388U - - Google Patents
Info
- Publication number
- JPS6329388U JPS6329388U JP12140586U JP12140586U JPS6329388U JP S6329388 U JPS6329388 U JP S6329388U JP 12140586 U JP12140586 U JP 12140586U JP 12140586 U JP12140586 U JP 12140586U JP S6329388 U JPS6329388 U JP S6329388U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- power supply
- turned
- switching
- circuit
- 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)
- Generation Of Surge Voltage And Current (AREA)
Description
第１図は本考案の一実施例による回路構成図、
第２図、第３図、および第４図は本考案の動作説
明図、第５図は従来のスイツチング電源回路の構
成図である。
ＴＦは絶縁トランス、Ｓ１，Ｓ２，Ｓ３は夫々
スイツチング素子、Ｃ，Ｃ１は平滑用コンデンサ
、Ｃ２はサージ吸収用コンデンサ、Ｌはリアクト
ル、１はスナバ回路、２はダイオードブリツジに
よる整流回路、Ｖ０は直流出力電圧。
FIG. 1 is a circuit configuration diagram according to an embodiment of the present invention.
FIGS. 2, 3, and 4 are explanatory diagrams of the operation of the present invention, and FIG. 5 is a configuration diagram of a conventional switching power supply circuit. TF is an isolation transformer, S 1 , S 2 , and S 3 are switching elements, C and C 1 are smoothing capacitors, C 2 is a surge absorption capacitor, L is a reactor, 1 is a snubber circuit, and 2 is a diode bridge. Rectifier circuit, V 0 is DC output voltage.
Claims (1)
１のスイツチング素子とを有するスイツチング電
源回路において、前記スイツチング素子と並列に
このスイツチング素子のオフ時にオンされる第２
のスイツチング素子とサージ吸収用コンデンサと
の直列回路を接続し、この直列回路の橋絡点に一
端が接続され他端は第２のスイツチング素子のオ
フ時にオンされる第３のスイツチング素子を介し
て前記直流電源の正極に接続されたリアクトルを
備えたことを特徴とするスイツチング電源回路。 In a switching power supply circuit having an isolation transformer and a first switching element connected in series with a DC power supply, a second switching element is connected in parallel with the switching element and is turned on when the switching element is turned off.
A series circuit of a switching element and a surge absorption capacitor is connected, and one end is connected to the bridge point of this series circuit, and the other end is connected through a third switching element that is turned on when the second switching element is turned off. A switching power supply circuit comprising a reactor connected to the positive electrode of the DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12140586U JPS6329388U (en) | 1986-08-07 | 1986-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12140586U JPS6329388U (en) | 1986-08-07 | 1986-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6329388U true JPS6329388U (en) | 1988-02-26 |
Family
ID=31010647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12140586U Pending JPS6329388U (en) | 1986-08-07 | 1986-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6329388U (en) |
-
1986
- 1986-08-07 JP JP12140586U patent/JPS6329388U/ja active Pending