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Photovoltaic (PV) systems are solar energy supply systems, which either supply power directly to an electrical equipment or feed energy into the public electricity grid. In the photovoltaic system, power electronic conversion is necessary to improve the efficiency of PV panels and system stability. In these systems, the backstage power circuit consists of a high step-up DC to DC converter and a full-bridge...
A fully on-die, digitally controlled, 500MHz switching, 250mA rated output buck Voltage Regulator (VR) implemented in 22nm Tri-Gate CMOS is presented. The silicon measured a peak efficiency of 68% and consumed an area of 0.6mm2 (without output decoupling) with a power density of about 410 mW/mm2. The paper also demonstrates a controller bandwidth of 43MHz; the highest reported to date for any digital...
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