INTERNATIONAL RECTIFIER IR3640MPBF DC/DC Controller, High Frequency, 4.5V to 5.5V, 1 Output, Synchronous Buck, 1.65MHz, MLPQ-20

Switching Controller, Voltage-mode, 240kHz Switching Freq-Max, 7 X 7 MM, 0.50 MM PITCH, LEAD FREE, MLPQ-48

INTERNATIONAL RECTIFIER IR3313SPBF Power Load Switch, Programmable Current Sense, High Side, 1 Output, 32V, TO-263-5