Adaptive boost switching preregulator and method having variable

Details Adaptive boost switching preregulator and method having variable Adaptive boost switching preregulator and method having variable

1993-08-11

1995-04-11

Sterrett, Jeffrey L.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323284, 323299, 363 89, 363143, G05F 1613

Patent

active

054061920

ABSTRACT:
A boost switching preregulator includes a boost switching power conversion device which converts power from a source of essentially DC unipolar input voltage for delivery as an essentially DC unipolar output voltage to a load. The preregulator also includes a control device which accepts an input indicative of the magnitude of the output voltage and which, in response to variations in the magnitude of the input voltage, controls the boost switching power conversion device such that the magnitude of the output voltage varies within a range. Within this range, the unipolar output voltage is greater than or equal to the magnitude of the unipolar input voltage, and the span of the range is at least ten percent of the maximum value of the unipolar output voltage.

REFERENCES:
patent: 4272806 (1981-06-01), Metzger
patent: 4404472 (1983-09-01), Steigerwald
patent: 4677366 (1987-06-01), Wilkinson et al.
patent: 4940929 (1990-07-01), Williams
patent: 5289361 (1994-02-01), Vinciarelli

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