DC converter

Details DC converter DC converter

2008-06-03

2008-06-03

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S097000

Reexamination Certificate

active

07382633

ABSTRACT:
A DC converter includes a time difference detector to detect a time difference between a point around which a main switch provides a minimum voltage after an auxiliary switch turns off and a point at which the main switch turns on, an integrator to integrate the output of the time difference detector, and a first delay circuit to control a turn-on point of the main switch according to the output of the integrator and the output of the time difference detector. The first delay circuit operates to minimize the output of the time difference detector according to the output of the integrator and controls a turn-on point of the main switch in a pulse-by-pulse manner according to a pulse-by-pulse control signal based on the output of the time difference detector.

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U.S. Appl. No. 11/302,184, filed Dec. 14, 2005, Tsuruya et al.
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U.S. Appl. No. 11/357,161, filed Feb. 21, 2006, Aso et al.
U.S. Appl. No. 11/369,871, filed Mar. 8, 2006, Aso et al.

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