Efficiency increasing circuit for switching power supplies opera

Details Efficiency increasing circuit for switching power supplies opera Efficiency increasing circuit for switching power supplies opera

1982-11-03

1984-10-23

Shoop, William M.

Electric power conversion systems

Current conversion

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

H02M 3335

Patent

active

044791747

ABSTRACT:
A circuit for use in a p.w.m. type power supply for increasing the efficiency thereof when the supply operates at low power levels. The circuit increases the efficiency by eliminating in a predetermined manner some of the p.w.m. pulses used to drive the power switching means of the supply.

REFERENCES:
patent: 3562668 (1968-07-01), Bartlett et al.
patent: 3978393 (1975-04-01), Wisner et al.
patent: 4160945 (1979-07-01), Schorr

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