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This paper introduces the Dual-Frequency Single-Inductor Multiple-Output (DF-SIMO) power converter topology as a cost-effective and power-efficient method for implementing a large number of on-chip power supplies (i.e. on-chip power grids) in nanometer CMOS System-on-Chip (SoCs). The proposed topology decouples the rate of energy conversion at the input of the converter from the rate of energy distribution...
A novel twin-bus converter using n + 1 active switches is proposed for the n-string LEDs to be dimmable from true zero to the rated current level. With the proposed twin-bus structure, the n-switches that perform the current-loop regulation can operate at very high frequency because of significantly reduced voltage stresses, while achieving high efficiency over a wide load range. With operating frequency...
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