| 摘要 |
PROBLEM TO BE SOLVED: To provide a switching circuit capable of reducing both a turn-on loss and a turn-off loss.SOLUTION: In the switching circuit, including a switch connected to an input voltage, for switching on and off the electric conduction of a load connected to the input voltage, further includes: a fly-back transformer including a primary winding, connected in series with the load and the switch, and a secondary winding connected to a predetermined voltage through a diode; and a snubber capacitor to be charged when the switch is off. |
