Universal input voltage power supply

Details Universal input voltage power supply Universal input voltage power supply

1991-04-15

1992-06-30

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323282, 323908, 363 89, H02M 7217, G05F 1445

Patent

active

051266520

ABSTRACT:
The power supply of the present invention is designed to operate over a wide range of both ac and DC input voltages and frequencies from 0-400 Hz. The power supply also provides two DC low voltage outputs, one for devices that do not require a high degree of regulation and one for devices that do require a high degree of regulation. The power supply also includes a power-up inrush clamp to limit high start up currents to approximately two times the nominal switching current. The primary switching transistor of the power supply is controlled by a dynamic feedback circuit which works interactively to increases the switching speed of the primary switching transistor.

REFERENCES:
patent: 3671853 (1972-06-01), Weischedel et al.
patent: 4494064 (1985-01-01), Harkness
patent: 4683415 (1987-07-01), Zimmerman
patent: 4893228 (1990-01-01), Orrick et al.
patent: 4937722 (1990-06-01), Deierlein

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