A capacitivestep-downconverter in 0.25μm CMOS using a linearmodepre-regulator is *** linearpre-regulator operates both in pulse frequency mode under low load conditions and in current mode under high output *** ...
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ISBN:
(纸本)1424401607
A capacitivestep-downconverter in 0.25μm CMOS using a linearmodepre-regulator is *** linearpre-regulator operates both in pulse frequency mode under low load conditions and in current mode under high output *** pulse frequency mode the pre-regulator limits the charge current of the capacitor network improving the electromagnetic compatibility. Under high load conditions the converter operates in a current mode which means that the switched capacitors are clocked with a fixed duty cycle ratio and the regulation of the output voltage is performed by the pre-regulator.
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