Output voltage independent overvoltage protection

Details Output voltage independent overvoltage protection Output voltage independent overvoltage protection

2008-11-06

2010-06-29

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

Reexamination Certificate

active

07746612

ABSTRACT:
One embodiment of the invention includes a power regulation system. The system comprises a power regulator configured to periodically generate a switch signal that regulates a current flow through an inductor to set a magnitude of an output voltage. The system further comprises an overvoltage protection circuit configured to monitor a peak voltage magnitude of the switch signal and to generate an overvoltage indication signal in response to the peak voltage magnitude of the switch signal exceeding a predetermined limit.

REFERENCES:
patent: 4129788 (1978-12-01), Chavannes
patent: 6657841 (2003-12-01), Melchert et al.
patent: 6768339 (2004-07-01), Von Thun et al.
patent: 2004166391 (2004-06-01), None
patent: 2005237122 (2005-09-01), None
patent: 2006211854 (2006-08-01), None

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