Digital control apparatus for a switching DC-DC converter

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

Reexamination Certificate

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C323S285000

Reexamination Certificate

active

07002327

ABSTRACT:
A digital control apparatus for a switching DC-DC converter includes at least one power transistor and is able to provide a regulated output voltage on a load. The apparatus includes digital control having a reference digital input signal and provides a modulating signal to a PWM device to which is input the modulating signal and which provides an output square wave signal for driving the power transistor of the DC-DC converter such that there is non-linear modulation only when the value of a signal on the load is lower or higher than a prefixed value range.

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G. Capponi, et al., Modeling and Simulation of new digital control for power conversion,thPower Electronics Specialists Conference, 2002, pesc Feb. 2002 IEEE 33rdAnnual, vol. 1, 2002, pp. 155-158.
European Search Report, Priority European Patent Application No. 02425595 May 20, 2003.

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