LM3403-REF, Reference Design for LM3404 Driving a Seoul Semi Zpower P4 1A LED. This demonstration circuit is designed to drive a single Seoul Semiconductor Z-Power P4 LED at a forward current of 1A 10% with a peak-to-peak ripple current of 200 mA or less. The expected forward voltage is 3.8V. The input is a 9V alkaline battery. Switching frequency is 700 kHz 20%
