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Switching Regulator, Voltage-mode, 12A, 660kHz Switching Freq-Max, 5 X 6 MM, ROHS COMPLIANT, QFN-15
Voltage Regulators - Switching Regulators 6A SupIRBuck Reg 750kHz, 1.5-16V in

INTERNATIONAL RECTIFIER IR3838MTR1PBF DC-DC Switching Buck Step Down Regulator, Adjustable, 1.5V-16Vin, 600mV-14.4Vout, 10Aout, QFN-17

Infineon IR3822MTR1PBF, Step Down DC-DC Converter, 4A, Adjustable, 0.6 12 V, 15-Pin QFN