Method and apparatus providing protection for power converter

Details Method and apparatus providing protection for power converter Method and apparatus providing protection for power converter

2006-07-31

2009-10-13

Nguyen, Matthew V (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

Reexamination Certificate

active

07602160

ABSTRACT:
The invention presents a surge output protection for a control circuit of power converter. It comprises an input circuit for generating a threshold signal. A first comparator is coupled to receive a signal representative the current through a power switch. The first comparator further generates a control signal in response to the signal and the threshold signal. A timer circuit is utilized to generate a time-out signal in response to the control signal. The time-out signal is coupled to turn off the power switch.

REFERENCES:
patent: 4736267 (1988-04-01), Karlmann et al.
patent: 7068023 (2006-06-01), Okada
patent: 956152 (1997-02-01), None
patent: 2002171749 (2002-06-01), None

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