Linear Voltage Regulator LDO 2.85V 2.793-2.907V 250mA 4-Pin R-PDSO-N4
Fixed Positive LDO Regulator, 1.8V, 0.47V Dropout, CMOS, PDSO4, USP-4
Low Dropout Linear Voltage Regulator, 2.15V, 0.2A, 125°C, TSSOP-4