3.6-V to 36-V input, 1-V to 12-V output, 2-A, step-down module in 4-mm x 6-mm x 1.8-mm package 30-B0QFN -40 to 125
Texas Instruments
Texas Instruments - TPSM63602RDHR
$6.04
Texas Instruments - TPSM63602V5RDHR