Multi-output DC-DC converter using a resonance circuit

Details Multi-output DC-DC converter using a resonance circuit Multi-output DC-DC converter using a resonance circuit

1993-06-03

1995-01-31

Peckman, Kristine L.

Electric power conversion systems

Current conversion

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

323282, H02M 3335

Patent

active

053863593

ABSTRACT:
A multi-output converter capable of stabilizing the output voltages Vo1, Vo2 and Vo3 of a first to a third output circuits, respectively, converted from the input voltage Vi of a DC voltage source. The output voltage Vo1 is stabilized by a frequency modulation technology using a switching device, a resonance circuit, an error detecting circuit, and a modulating circuit. The output Vo2 is stabilized by a pulse width modulation scheme using the switching device, error detecting device, and modulating circuit. Further, to stabilize the output voltage Vo3, a resonance frequency modulating circuit is applied to control the resonance frequency of a variable resonance circuit on the basis of the error voltage of an output voltage. The converter can accommodate even three or more outputs circuits with a minimum of loss and a miniature, reliable and inexpensive configuration.

REFERENCES:
patent: 3671853 (1972-06-01), Weischedel et al.
patent: 4521725 (1985-06-01), Phaneuf
patent: 5070294 (1991-12-01), Nochi

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