Power converter with plural regulated outputs

Details Power converter with plural regulated outputs Power converter with plural regulated outputs

1992-12-11

1995-03-21

Stephan, Steven L.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

363 21, 363 86, 323267, H02M 3335

Patent

active

054002397

ABSTRACT:
A power converter comprises a power stage including a transformer, a pulse width modulator (PWM) for controlling the power stage, multiple output circuits providing individually regulated voltages, including switches for coupling the output circuits sequentially and cyclically to the power stage, and feedback circuitry for supplying respective feedback signals, each for a respective output circuit, as a control signal to the PWM synchronously with the coupling of the output circuits to the power stage, so that a single PWM and power stage serve for multiple output circuits. The converter can be a dc to dc converter or a four-quadrant switching amplifier. The PWM operates in current mode in conjunction with a current sensing resistor or transformer.

REFERENCES:
patent: 4928049 (1990-05-01), Pletronbon et al.
patent: 4972130 (1990-11-01), Rossie et al.
patent: 5038264 (1991-08-01), Steigerwald
patent: 5045712 (1991-09-01), Baggenstoss
patent: 5113333 (1992-05-01), Ou
patent: 5225789 (1993-07-01), Caine et al.

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