US Patent No. 10,097,081

CONVERTER HAVING LOW LOSS SNUBBER


Patent No. 10,097,081
Issue Date October 09, 2018
Title Converter Having Low Loss Snubber
Inventorship James D. Bucher, II, New Taipei (TW)
Alan D. Lauer, New Taipei (TW)
Emma C. Trzynka, New Taipei (TW)
Jason C. Dehn, New Taipei (TW)
Assignee ACBEL POLYTECH INC., New Taipei (TW)

Claim of US Patent No. 10,097,081

1. A converter having a low loss snubber, comprising:an input terminal;
a transformer, comprising a primary winding and a secondary winding;
a switch; wherein the switch and the primary winding are electrically connected in series, and are electrically connected between the input terminal and a ground;
the low loss snubber, comprising:
a first diode; wherein a cathode of the first diode is electrically connected to the input terminal;
a first capacitor; wherein the first capacitor is electrically connected between an anode of the first diode and a first node connected by the primary winding and the switch;
a second diode;
a third diode; wherein a cathode of the third diode is electrically connected to the anode of the first diode;
a second capacitor; wherein the second capacitor is electrically connected between a cathode of the second diode and the ground;
a first inductor, electrically connected between an anode of the third diode and the cathode of the second diode;
a clamping winding; wherein the clamping winding is magnetically coupled with the primary winding, and the clamping winding is electrically connected between the ground and an anode of the second diode;
a first output terminal;
a second output terminal; wherein the secondary winding is magnetically coupled with the primary winding and the clamping winding, and is electrically connected between the first output terminal and the second output terminal.