National Semiconductor LM3671LC-1.6/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: 6-LLP Power - Output: 606mW Series: PowerWise?® Synchronous Rectifier: No Type: Step-Down (Buck) Voltage - Input: 2.7 ~ 5.5 V Voltage - Output: 1.6V Other Names: LM3671LC-1.6TR