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A power-tracking embedded buck–boost converter with a fast dynamic voltage scaling (F-DVS) function is proposed to power the system-on-a-chip (SoC) system. To meet the power request of the SoC for different operation functions, fast up/down-tracking is implemented to achieve the F-DVS function. Recycling energy is also derived to minimize power dissipation during the down-tracking period. In addition,...
Digital peak current (DPC) controlled switching dc-dc converters operating in discontinuous conduction mode (DCM) with four different digital pulse-width modulations are studied in this paper. The control laws by using four modulation methods are derived and compared with buck converter as an example. Their stabilities are also analyzed. Experiment studies are performed to compare the transient performance...
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