Regulated D.C.-D.C. power converter having multiple D.C. outputs

Details Regulated D.C.-D.C. power converter having multiple D.C. outputs Regulated D.C.-D.C. power converter having multiple D.C. outputs

1990-01-16

1991-04-02

Beha, Jr., William H.

Electric power conversion systems

Current conversion

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

363 67, 363 79, H02M 3335

Patent

active

050051121

ABSTRACT:
A power supply apparatus has a switching device for converting a D.C. input to a high-frequency power; power conversion device for converting the high-frequency power into a plurality of D.C. output powers, a voltage maintaining device for sending a feedback signal to the switching device based on the value of one of the plurality of D.C. output powers thereby controlling the switching frequency and the duty ratio of the switching device in such a manner as to maintain the voltage of the one of the plurality of D.C. output powers constant, and a hysteresis device for varying the amount of the feedback in accordance with the load current on the D.C. output power used for the feedback so as to impart a predetermined hysteresis to the voltage change caused by a change in the load current.

REFERENCES:
patent: 4529927 (1985-07-01), O'Sullivan et al.
patent: 4649464 (1987-03-01), Shono
patent: 4745535 (1988-05-01), Sugishima et al.
Transistor Technology p. 392 (Mar. 1987).

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