2.4-V to 5.5-V Input, 6-A thin step-down power module with integrated inductor in 3.5-mm x 4-mm QFN 23-B0QFN -40 to 125
Texas Instruments
Texas Instruments - XPSM82866AA0SRDJR
$4.05
Texas Instruments - TPSM82866AA0SRDJR