The SP7648 Evaluation Board is designed to help the user evaluate the performance of the SP7648 for use as a single/dual cell Alkaline or single cell Li-Ion to drive 1W LED. The output of the SP7648 is preset to +5V or can be adjusted from +2V to +5V by manipulating two external resistors. The evaluation board is a completely assembled and tested surface mount board which provides easy probe access points to all SP7648 Inputs and Outputs so that the user can quickly connect and measure electrical characteristics and waveforms. SP7648 EVALUATION BOARD SCHEMATIC Vin 3.0-4.2V