Soft-switching DC/DC converter having relatively better...

Details Soft-switching DC/DC converter having relatively better... Soft-switching DC/DC converter having relatively better...

2006-05-31

2008-10-07

Sterrett, Jeffrey L. (Department: 2838)

Electric power conversion systems

Current conversion

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

C323S235000

Reexamination Certificate

active

07433209

ABSTRACT:
The proposed soft-switching DC/DC converter includes a converter circuit including a main switch having a first, a second and a control terminals for converting an input DC voltage to an output DC voltage, a resonant circuit electrically connected to the converter circuit, and an energy transferring circuit including an auxiliary switch having a first, a second and a control terminals and magnetically coupled to the resonant circuit. In which, the main switch is turned on under a specific voltage across the first and the second terminals of the main switch and the auxiliary switch is turned off under a specific current flowing through the first and the second terminals of the auxiliary switch both controlled by the resonant circuit through a resonance effect so as to accomplish a soft-switching of the converter.

REFERENCES:
patent: 5418704 (1995-05-01), Hua et al.
patent: 5594635 (1997-01-01), Gegner
patent: 6236191 (2001-05-01), Chaffai
patent: 6366476 (2002-04-01), Yasumura
patent: 6465991 (2002-10-01), Chang
patent: 6987675 (2006-01-01), Jovanovic et al.
patent: 2003/0210019 (2003-11-01), Chan et al.
patent: 2006/0176034 (2006-08-01), Skinner
patent: 2006/0209575 (2006-09-01), Archer
patent: 2006/0220591 (2006-10-01), Marchand et al.
patent: 1574582 (2005-02-01), None

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