EXCESS TEMPERATURE PROTECTIVE DEVICE AND EXCESS TEMPERATURE PROTECTIVE METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To provide an excess temperature protective device and an excess temperature protective method therefor.SOLUTION: Disclosed is an excess temperature protective method in which temperature of an excess temperature protective device is detected for obtaining an adjustment signal and outputting the obtained adjustment signal to a current detection pin of a controlling integrated circuit and, based on the adjustment signal received by the current detection pin, the duty ration of a PWM signal outputted from a gate output pin is adjusted by the controlling integrated circuit.