National Semiconductor LM3673TL-ADJEV Board Type: Fully Populated Current - Output: 350mA Frequency - Switching: 2MHz Main Purpose: DC/DC, Step Down Outputs And Type: 1, Non-Isolated Power - Output: - Regulator Topology: Buck Series: PowerWise?® Utilized Ic / Part: LM3673 Voltage - Input: 2.7 ~ 5.5V Voltage - Output: 1.1 ~ 3.3V