Switching type DC-DC converter having increasing conversion effi

Details Switching type DC-DC converter having increasing conversion effi Switching type DC-DC converter having increasing conversion effi

1994-05-24

1995-05-30

Dougherty, Thomas M.

Electric power conversion systems

Current conversion

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

H02M 3335

Patent

active

054207770

ABSTRACT:
In a switching type DC-DC converter, switching frequency f, gate to source voltage of a switching FET, and the stray capacity of the FET are decreased at light load period to increase conversion efficiency at light load. In another embodiment, no-load current is decreased by increasing self inductance of a smoothing choke at light load.

REFERENCES:
patent: 4695936 (1987-09-01), Whittle
patent: 4835669 (1989-05-01), Hancock et al.
patent: 5055991 (1991-10-01), Carroll et al.
patent: 5313381 (1994-05-01), Balakrishnan
patent: 5331532 (1994-07-01), Iwai et al.

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