Adjustable Positive LDO Regulator, 1.25V Min, 5.5V Max, 0.62V Dropout, BIPolar, PSSO5, PLASTIC, TO-263, 5 PIN
Fixed Positive LDO Regulator, 2.5V, 0.65V Dropout, BIPolar, PDSO4, PLASTIC, SOT-223, 4 PIN

INTERNATIONAL RECTIFIER IRU1117-25CSPBF Fixed LDO Voltage Regulator, 5V to 7V, 1.2V Dropout, 2.5Vout, 1Aout, SOIC-8