DC-DC converter and control method thereof

Details DC-DC converter and control method thereof DC-DC converter and control method thereof

2006-10-26

2010-02-09

Vu, Bao Q (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S056010

Reexamination Certificate

active

07660134

ABSTRACT:
A DC-DC converter has a switching circuit including switching elements at the high-side and at the low-side, an inductor connected to the output end of the switching circuit, a smoothing capacitor connected to the inductor, a switching control circuit for supplying a switching pulse to the switching elements, and a circuit. The circuit detects that a state that the switching element at the high side is switched off and the switching element at the low side is switched on is maintained for a predetermined period or longer. In this case, the circuit forcibly switches off the switching element at the low side.

REFERENCES:
patent: 5255174 (1993-10-01), Murugan
patent: 5541827 (1996-07-01), Allfather
patent: 6618274 (2003-09-01), Boylan et al.
patent: 6650552 (2003-11-01), Takagi et al.
patent: 6778410 (2004-08-01), Zeng et al.
patent: 2005-210819 (2005-08-01), None

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