Fault protection circuit, method of operating a fault...

Details Fault protection circuit, method of operating a fault... Fault protection circuit, method of operating a fault...

2011-04-12

2011-04-12

Behm, Harry (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C361S018000, C363S050000

Reexamination Certificate

active

07923976

ABSTRACT:
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.

REFERENCES:
patent: 5172290 (1992-12-01), Leipold et al.
patent: 5272399 (1993-12-01), Tihanyi et al.
patent: 7119999 (2006-10-01), Baldwin et al.
patent: 2005/0275394 (2005-12-01), Moraveji et al.
patent: 2008/0284391 (2008-11-01), Al-Shyoukh et al.

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