LT1618EDD Demo Board, Constant-Current 1.4MHz White LED Driver, Vin +3.3V - 4.2V

Demonstration circuit is a constant-current 1.4MHz white LED driver featuring the LT1618. The board is optimized for 3.5V LED forward voltage output at 320mA load current and a single lithium-ion input voltage range of 3.3V to 4.2V