FAULT PROTECTION CIRCUIT, METHOD OF OPERATING A FAULT PROTECTION CIRCUIT AND A VOLTAGE REGULATOR EMPLOYING THE SAME

摘要

Embodiments of the present disclosure provide a fault protection circuit, a method of operating a fault protection circuit and a voltage regulator. In one embodiment, the fault protection circuit is for use with the voltage regulator and includes an output power section having first and second MOS transistors configured to provide a regulated voltage on an output node of the voltage regulator. The fault protection circuit also includes a gate pull-down section connected to the first and second MOS transistors and configured to provide a gate pull-down MOS transistor to limit a current through the first and second MOS transistors during a current overload fault condition on the output node.