National Semiconductor LM3671MF-1.2/NOPB Current - Output: 600mA Frequency - Switching: 2MHz Internal Switch(s): Yes Mounting Type: Surface Mount Number Of Outputs: 1 Operating Temperature: -30?°C ~ 85?°C Package / Case: SOT-23-5, SC-74A, SOT-25 Power - Output: 770mW Series: PowerWise?® Synchronous Rectifier: Yes Type: Step-Down (Buck) Voltage - Input: 2.7 ~ 5.5 V Voltage - Output: 1.2V Other Names: LM3671MF-1.2, LM3671MF-1.2TR