Mini DC-DC 12-24V To 5V 3A Step Down Power Supply Module Voltage Buck Converter Adjustable 97.5% 1.8V 2.5V 3.3V 5V 9V 12V buy it!
$0.10-$0.40
Mean well Power Supply SD-25A-12 25W Single Output Short Circuit Overload Over Voltage Catalyst DC-DC Converter 12 Volt 24 buy it!
$16.00-$18.00
Mean Well NSD15-12S5 15W 15V 1A DC-DC Regulated Single Output 5V 15W Power Supply buy it!
$9.80-$21.50
Ebyte Industrial Grade 5V 1V DM41-5W2405V High Stability 5W DC Moudl DC-DC Isolated Power Supply SwitchModules Dip Power module buy it!
$3.20-$3.41
RD DP30V5A-L Step down converter Constant Current Voltage Regulator DC-DC LED Display Regulated DC Digital Power Supply
$13.20-$14.20