DC1062A - LTC3520EUF| Buck-Boost w/ 400mA Buck, Vin = 2.2V to 5.5V, Vout1 = 3.3V @ 1A (BB), Vout2 = 1.8V @ 0.6A, Vout3 (LDO Post Regulator) = 1.5V @ 200mA