JPS6412867A - Snubber circuit - Google Patents
Snubber circuitInfo
- Publication number
- JPS6412867A JPS6412867A JP16405687A JP16405687A JPS6412867A JP S6412867 A JPS6412867 A JP S6412867A JP 16405687 A JP16405687 A JP 16405687A JP 16405687 A JP16405687 A JP 16405687A JP S6412867 A JPS6412867 A JP S6412867A
- Authority
- JP
- Japan
- Prior art keywords
- field effect
- effect transistors
- voltage
- transformer
- constitution
- 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)
- Power Conversion In General (AREA)
Abstract
PURPOSE:To restrain a surge voltage, by connecting the series circuit of a diode and a first capacitor in parallel to a main switching element. CONSTITUTION:A two-transistor forward type switching regulator is constituted of a transformer T1, a driving transformer T2, main switching elements or field effect transistors Q1, Q2, snubber circuits 10a, 10b, a drive control circuit 15 and the like. A voltage, induced in the secondary winding of the transformer T1, is rectified, smoothed and outputted while the ON/OFF periods of the field effect transistors Q1 Q2 are controlled by said control circuit 15 so that the outputted voltage becomes a set value. In this case, the snubber circuits 10a, 10b are constituted of first diodes D1a, D1b, first capacitors C1a, C1b, choke coils L1a, L1b and the like, which are provided in parallel to the field effect transistors Q1, Q2. According to this constitution, a voltage, generated by accumulated energy upon the turn-off of the field effect transistors Q1, Q2, is fed back to a DC power source.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16405687A JPS6412867A (en) | 1987-07-02 | 1987-07-02 | Snubber circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16405687A JPS6412867A (en) | 1987-07-02 | 1987-07-02 | Snubber circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6412867A true JPS6412867A (en) | 1989-01-17 |
Family
ID=15785948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16405687A Pending JPS6412867A (en) | 1987-07-02 | 1987-07-02 | Snubber circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6412867A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014147670A1 (en) * | 2013-03-22 | 2014-09-25 | 富士通株式会社 | Double-ended forward converter and power supply device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59165954A (en) * | 1983-03-08 | 1984-09-19 | Fuji Electric Co Ltd | Snubber circuit |
JPS6237064A (en) * | 1985-08-08 | 1987-02-18 | Fuji Electric Co Ltd | Recovery circuit for snubber energy |
-
1987
- 1987-07-02 JP JP16405687A patent/JPS6412867A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59165954A (en) * | 1983-03-08 | 1984-09-19 | Fuji Electric Co Ltd | Snubber circuit |
JPS6237064A (en) * | 1985-08-08 | 1987-02-18 | Fuji Electric Co Ltd | Recovery circuit for snubber energy |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014147670A1 (en) * | 2013-03-22 | 2014-09-25 | 富士通株式会社 | Double-ended forward converter and power supply device |
JPWO2014147670A1 (en) * | 2013-03-22 | 2017-02-16 | 富士通株式会社 | Double-end forward converter and power supply device |
US9887635B2 (en) | 2013-03-22 | 2018-02-06 | Fujitsu Limited | Double-ended forward converter and power supply device |
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