Patent ID: 7656684

Claim:
An apparatus comprising: a controller configured to provide a first control signal to a first rectifier switch coupled to one end of a secondary winding of a transformer, said controller further configured to provide said first control signal to a first low side switch, said first low side switch and a first high side switch coupled in series along a first path of a full bridge circuit, a first node located between said first high side switch and said first low side switch, said controller further configured to provide a second control signal to a second rectifier switch coupled to an opposite end of said secondary winding, said controller further configured to provide said second control signal to a second low side switch, said second low side switch and a second high side switch coupled in series along a second path of said full bridge circuit, a second node located between said second high side switch and said second low side switch, wherein said primary winding is coupled between said first node and said second node.