DC-DC Converter Module 3.6V 0.65A 5.5V Input uSIP SMD
3.6V 1A Step-Down DC/DC Power Module, 5.5V In, 3x2.6mm
5.5V, 0.5A Step-Down DC/DC Power Module in 3mm x 2.6mm Package 8-uSiP -40 to 125
BOARD DEV PWR MODULE 650MA 1.8V