Two-Stage Digitally Controlled LED Driver Based on Buck-Boost and DC_DC LLC Reso

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TwoStage Digitally Controlled LED Driver Based on BuckBoost and DCDC LLC Resonant Converter M F Menke R V Tambara F E Bisogno M F da Silva and R Seidel Electrical and Computational Systems Research and Development Group GSEC Federal University of Santa Maria UFSM Group of Intelligence in Lighting GEDRE Santa Maria RS Brazil seidelctismufsmbr capability and Abstract In this study a digitally controlled Light Emitting Diode LED driver operating with high power factor dimming red......