Compensating on-time delay of switching transistor in...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

Reexamination Certificate

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C323S283000

Reexamination Certificate

active

07876582

ABSTRACT:
A switch controller compensates the total on-time delay of the switch in a switching power converter. The intended on-time of the switching transistor for the present switching cycle is reduced by the time difference between the actual on-time and the intended on-time of the switching transistor in the previous switching cycle in the switching power converter. The total delay of the switch in the switching power converter, including propagation delay, switch turn-on delay, and switch turn-off delay, can be compensated in real time, cycle by cycle.

REFERENCES:
patent: 6944034 (2005-09-01), Shteynberg et al.

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