Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2006-02-21
2006-02-21
Riley, Shawn (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
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.
Costanza Pietro
Marino Filippo
Minieri Marco
Burton Esq. Carol W.
Hogan & Hartson L.L.P.
Kubida, Esq. William J.
Riley Shawn
STMicroelectronics S.R.L.
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