Patent ID: 7130203

Claim:
A switching power supply providing a DC output, the power supply having an output capacitor, a transformer with a primary and a secondary winding and a first snubber circuit comprising a snubber capacitor and a first snubber diode, characterized in that the snubber capacitor and the first snubber diode are arranged in a series circuit which is connected in parallel to the output capacitor, wherein the snubber circuit further comprises a second and a third snubber diode, a first electrode of the second snubber diode and a first electrode of the third snubber diode being connected to a joint electrode of the first snubber diode and the snubber capacitor, a second electrode of the second snubber diode being connected to a first end of the secondary winding and a second electrode of the third snubber diode being connected to a second end of the secondary winding.