Multi-output switching regulator having controlled timing of boo

Details Multi-output switching regulator having controlled timing of boo Multi-output switching regulator having controlled timing of boo

1996-12-18

1998-06-23

Sterrett, Jeffrey L.

Electric power conversion systems

Current conversion

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

363 89, H02M 3335

Patent

active

057711607

ABSTRACT:
A multi-output switching regulator includes a rectifier circuit portion for converting an alternating current into a direct current, a boost converter portion for boost-converting the direct current, an inverter portion for storing the output from the boost converter portion in a primary winding of a transformer and transferring the stored energy to a secondary winding, a fly-back type first constant voltage output portion for outputting energy transferred to a first secondary winding of the transformer as a first constant voltage and for storing the first constant voltage in an equivalent flux inductance of the transformer and transferring the stored energy to a second secondary winding, and a second constant voltage output portion for outputting energy transferred to the second secondary winding of the transformer as a second constant voltage. Input power factor correction is achieved as well as the outputting of two constant voltages.

REFERENCES:
patent: 4455596 (1984-06-01), Baker
patent: 4833582 (1989-05-01), Kupka
patent: 5258901 (1993-11-01), Fraidlin
patent: 5461301 (1995-10-01), Troung
patent: 5568041 (1996-10-01), Hesterman
patent: 5598326 (1997-01-01), Liv et al.
patent: 5636108 (1997-06-01), Taurand

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