Low-loss power supply device comprising a DC/DC converter

Details Low-loss power supply device comprising a DC/DC converter Low-loss power supply device comprising a DC/DC converter

1993-03-05

1995-08-15

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

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

363 21, 363101, H02M 3335

Patent

active

054425360

ABSTRACT:
A low loss power supply device for generating at least one output voltage (Ua) from an input voltage (Ue) having an absolute value which is higher than that of the output voltage. The power supply device has a low power loss and minimum space requirements. The power supply device includes a controller for generating the output voltage and a DC/DC converter having a primary circuit and a secondary circuit. The primary circuit voltage is a difference voltage (U.sub.c1) derived from the output voltage and the input voltage. The secondary circuit generates the output voltage. A further saving of components is achieved by forming the controller from the primary circuit of the DC/DC converter with the primary circuit connected in series with the secondary circuit.

REFERENCES:
patent: 3889177 (1975-06-01), Fendrich
patent: 4546304 (1985-10-01), Schwarz
patent: 4549254 (1985-10-01), Kissel
patent: 4767978 (1988-08-01), Reid
patent: 4829232 (1989-05-01), Erickson
patent: 5101336 (1992-03-01), Willocx

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