Dual buck converter with coupled inductors

Details Dual buck converter with coupled inductors Dual buck converter with coupled inductors

1998-03-03

1999-08-03

Berhane, Adolf Deneke

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323282, G05F 146

Patent

active

059329955

ABSTRACT:
This invention relates to a dual buck converter used to reduce an unregulated high input voltage without a ground reference to a regulated output voltage. This is accomplished by coupling the inductors of two independent buck converters. The input voltage is split across the dual buck converter and the mid point is balanced by coupling the inductors and switching the two switches at the same time. The inductors are wound on a single core, with the windings magnetically coupled, to form a new coupled inductor.

REFERENCES:
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patent: 4703409 (1987-10-01), Spreen
patent: 4713742 (1987-12-01), Parsley
patent: 4931716 (1990-06-01), Jovanovic et al.
patent: 5006782 (1991-04-01), Pelly
patent: 5144222 (1992-09-01), Herbert
patent: 5646837 (1997-07-01), Weggel
patent: 5668466 (1997-09-01), Vinciarelli et al.
patent: 5723913 (1998-03-01), Weggel

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