SD3301 is a high-efficiency LED driver chip, using a very small SOT23-6 package form, only need a peripheral tact switch, it can be realized LED flashlight function, not only saves PCB space, but also saves the cost of the system. single A lithium battery can drive 1W or 3W LED lights.
✦ 3 modes: full brightness, 25% brightness, flash (10Hz)
✦ Built-in SOS mode (long press for 3S)
✦ Working voltage: 2.7V to 4.8V
✦ Efficiency up to 90%
✦ ESD electrostatic protection over 8000V
✦ LED flashlight
✦ LED headlights