Switching Regulator, Voltage-mode, 0.5A, 2000kHz Switching Freq-Max, PDSO10
Adjustable Buck-Boost DC/DC Controller, 5.25V Output, 500mA, MSOP
IC REG BUCK BST ADJ 0.5A 10MSOP
LTC3532 - Micropower Synchronous Buck-Boost DC/DC Converter