Patent ID: 6700764
Filing Date: 2004-03-02
Classification: H02J,Y02P

Abstract:
An integrated circuit comprising:a power factor correction circuit for providing a drive signal responsive to a voltage and a current supplied to the input terminals thereof; a logic circuit for inhibiting the drive signal when an inhibit signal is applied to one of a plurality of input terminals thereof; a system over-voltage protection circuit for providing a first inhibit signal to a first one of the plurality of input terminals of the logic circuit when a system voltage is above a predetermined level; a MOSFET circuit coupled to the logic circuit for providing an output signal responsive to the drive signal; and a reference voltage circuit for providing a reference voltage at an output terminal thereof, wherein the power factor correction circuit, the logic circuit, the system over-voltage protection circuit, the MOSFET circuit and the reference voltage circuit are constructed within a single integrated circuit package.