Parallel control type DC--DC converter

Electric power conversion systems – Current conversion – Having plural converters for single conversion

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363 65, H02M 3335

Patent

active

055837530

ABSTRACT:
A parallel control type DC--DC converter supplies an output voltage to a load based on voltages supplied from independent power sources. The DC--DC converter is provided with at least first and second converters powered by the independent power sources and commonly grounded and including a switching element, a control circuit driving the switching elements within the first and second converters by ON-pulses having the same width depending the output voltage, and a circuit coupling outputs of the first and second converters in parallel and producing the output voltage.

REFERENCES:
patent: 4644458 (1987-02-01), Harafuji et al.
patent: 4912621 (1990-03-01), Kobayashi et al.
patent: 4947310 (1990-08-01), Kawabata et al.
patent: 5036452 (1991-07-01), Loftus
patent: 5088017 (1992-02-01), Yaginuma et al.
patent: 5245525 (1993-09-01), Galloway et al.

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