Patent ID: 7218085

Claim:
A DC-DC converter, comprising: a first MOSFET; a second MOSFET wherein a connection between the first MOSFET and the second MOSFET forms a first common node; a first controller connected to the gates of each of the MOSFETS; a first passive filter connected between the first common node and ground; a load connected between the first common node and ground; a first feedback circuit connected between the first common node and the first controller; and wherein the first controller comprises: a level detector connected to the first feedback circuit, the gates of the first and second MOSFETS and having an output; a charge pump having an input connected to the output of the level detector and having an output; a sample and hold circuit having an input connected to the output of the charge pump and having an output; a delay circuit having an input connected to the output of the sample and hold circuit and having an output; and a gate drive having an input connected to the output of the delay circuit and having an output connected to the gate of either the first or second MOSFET.