CHARGE CIRCUIT FOR OPTIMIZING GATE VOLTAGE FOR IMPROVED EFFICIENCY

摘要

A charge circuit for providing a gate driver supply voltage for a gate driver of a switching power supply in accordance with an embodiment of the present application includes a first voltage source providing a first voltage and a charge pump circuit connected to the first voltage source and operable to be turned ON and OFF to improve efficiency such that an increased output voltage of the charge circuit is provided when the charge pump circuit is ON, and wherein the output voltage is the gate driver supply voltage.