DC-DC converter circuit for converting an input voltage to...

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With bootstrap circuit

Reexamination Certificate

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Details

C327S538000

Reexamination Certificate

active

07015748

ABSTRACT:
The DC-DC converter circuit has a converter unit for conversion of an input voltage to an output voltage; a first capacitor for maintaining a value of the output voltage for a predetermined holdover time; a charging circuit for charging the capacitor with a supply voltage that is greater than the input voltage and a discharging circuit for providing charge to the converter circuit from the charged capacitor when the input voltage is interrupted, whereby the output voltage is maintained for a predetermined holdover time.

REFERENCES:
patent: 4827151 (1989-05-01), Okado
patent: 5258901 (1993-11-01), Fraidlin
patent: 6043705 (2000-03-01), Jiang

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