LM2598 4.5V to 40V, 1A SIMPLE SWITCHER buck converter
Texas Instruments
Texas Instruments - LM2598S-12/NOPB
$2.08 - $4.40
Texas Instruments - LM2598S-3.3/NOPB
$3.07 - $4.64
Texas Instruments - LM2598SX-12
$2.42
Texas Instruments - LM2598
$0.00 - $7.27
Texas Instruments - LM2598S-5.0/NOPB
$2.91 - $5.49
Texas Instruments - LM2598S-5.0
$2.49 - $4.00