5V 0.5A DC-DC Step Down Converter, 8-40V In, PDIP
3.3V 500mA Step-Down Regulator, 40V In, PDIP, Through Hole
500mA Adj Step-Down Regulator, 40V In, 1.2-37V Out, PDIP
12V 500mA Positive Fixed Output DC/DC Controller, 94% Efficiency, PDIP-8
8-Pin DIP Automotive DC/DC Controller, 6.5V to 40V Input, -40°C to 125°C
LM2674N-3.3/NOPB
LM2674N-5.0/NOPB