Method for recognition and/or limiting the short-circuit...

Details Method for recognition and/or limiting the short-circuit... Method for recognition and/or limiting the short-circuit...

2005-06-07

2005-06-07

Sircus, Brian (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

C323S276000

Reexamination Certificate

active

06903912

ABSTRACT:
The invention pertains to a method for detecting and/or limiting short-circuit or overcurrent states of a switching regulator, where the load current or a variable proportional to the load current is measured and compared with a predetermined maximum value, and where the result of this comparison is used to influence the switching pulses. In this case, the result of the comparison between the load current and the maximum value is only taken into consideration within at least one time window during at least one timing period of the switching pulses.

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