Patent ID: 7889518
Filing Date: 2011-02-15
Classification: H02M

Abstract:
1. A power converter system, comprising: a high-side switch and a low-side switch connected in a half-bridge arrangement; a switch driver circuit for controlling the turn-on and turn-off of the high-side switch and the low-side switch in the half-bridge arrangement; and a pulse width modulation (PWM) controller for generating a switch driver control signal for controlling the switch driver circuit according to an output voltage, wherein the output voltage is generated by modulating an input voltage according to operations of the high-side switch and the low-side switch; and the switch driver circuit detects the switch driver control signal, generates an on-time control signal when the switch driver control signal turns on the high-side switch for longer than a threshold period, the on-time control signal for turning off the high-side switch, the switch driver circuit comprising: