Adaptive leading edge blanking circuit

Details Adaptive leading edge blanking circuit Adaptive leading edge blanking circuit

2006-12-19

2006-12-19

Easthom, Karl (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S020000

Reexamination Certificate

active

07151679

ABSTRACT:
An adaptive leading edge blanking circuit in which the leading edge blanking time is reduced at low to very low power levels of an SMPS, but is substantially constant at medium to high power levels. Adapted leading edge blanking time maybe provided by modifying a conventional leading edge blanking timer in which a fixed voltage reference source is replaced with a variable voltage reference source, the variable voltage reference being dependent upon power requirements on a secondary side of the SMPS.

REFERENCES:
patent: 6144245 (2000-11-01), Balogh
patent: 6219262 (2001-04-01), Burgyan

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