3.5V to 42V Input, 0.5A Step-Down Converter with Eco-Mode 10-VSON -40 to 125
Texas Instruments
Texas Instruments - TPS54040A
$0.99 - $14.49
Texas Instruments - TPS54040AD CT
Texas Instruments - TPS54040ADRCT
$1.28 - $13.60
Texas Instruments - TPS54040ADGQ
$1.08 - $2.34
Texas Instruments - TPS54040ADGQR
Texas Instruments - TPS54040ADRCR
$1.11 - $2.76