Pulse width modulated power supply operative over an extended in

Details Pulse width modulated power supply operative over an extended in Pulse width modulated power supply operative over an extended in

1993-08-25

1995-02-28

Peckman, Kristine L.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323224, 323226, 323273, 323303, 323901, G05F 1613

Patent

active

053940768

ABSTRACT:
A pulse width modulated (PWM) power supply combines the advantages of pulse width modulator circuitry with linear circuitry to provide power supply operation over an extended input range with no dropout of power supply output and no adverse effect on a load. The PWM circuitry includes input voltage scalers, control logic, mode detectors, an inductor, a diode switch and a capacitor and the linear circuitry includes a transistor, transistor voltage scaling and gate driver logic.

REFERENCES:
patent: 4626766 (1986-12-01), Musil
patent: 4677367 (1987-06-01), Goodman
patent: 5216353 (1993-06-01), Mori

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