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Dual 3A Sync Step-Down DC-DC Controller, 3.6-15V In, 0.6V Adj Out, 28-Pin TSSOP EP

LINEAR TECHNOLOGY LTC3633AEFE#PBF BUCK, DUAL, 3.6-20V, 4MHZ, 3A, 28TSSOP

LINEAR TECHNOLOGY LTC3630HDHC#PBF DC-DC Switching Buck Step Down Regulator, Adjustable, 4V-65Vin, 800mV-65Vout, 0.5Aout, DFN-16