Digitally controlled switched-mode voltage converter

Details Digitally controlled switched-mode voltage converter Digitally controlled switched-mode voltage converter

1998-03-26

1999-03-23

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

323351, G05F 146

Patent

active

058865136

ABSTRACT:
A digitally controlled switched-mode voltage converter having conversion circuit (CMS) including a switching device (SW) for the purpose of converting an input voltage (U.sub.i) into an output voltage (U.sub.o); and a control device (CM) for controlling a duty cycle of the switching device (SM) in steps having discrete values (D.sub.c1,D.sub.c2). The control device (CM) include a change-over device (SO) for continually switching the duty cycle between at least two discrete values (D.sub.c1,D.sub.c2) in such a manner that the average value of the duty cycle corresponds to a target duty cycle (T.sub.dc).

REFERENCES:
patent: 5272614 (1993-12-01), Brunk et al.
patent: 5499177 (1996-03-01), Ichihara
patent: 5552694 (1996-09-01), Appeltans
patent: 5594324 (1997-01-01), Canter et al.

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