Linear Technology LT1521IST-5#PBF Current - Limit (min): 320mA Current - Output: 300mA Dropout Voltage Vdo: 500mV Mounting Type: Surface Mount No. Of Pins: 3 Number Of Regulators: 1 Operating Temperature: -40?°C ~ 125?°C Operating Temperature Range: -40?‚?°C To Output Current: 300mA Output Voltage Fixed: 5V Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261 Primary Input Voltage: 6V Regulator Topology: Positive Fixed Rohs Compliant: Yes Series: - Voltage - Dropout (typical): 0.5V @ 300mA Voltage - Input: Up to 20V Voltage - Output: 5V Voltage Regulator Case Style: SOT-223