Overview
   HM6105A is a switch buck LED constant current driver with three integrated functions. The switching between functions can be realized by turning the power on and off: full brightness (100%) -- dim brightness (25%) -- flashing.

FEATUREs
✦ Built-in 100V /100mΩ power MOS
✦ Built-in three functions: 100%-25%-flash
✦ Wide input voltage range: 3.6V~100V
✦ High efficiency: up to 90%
✦ Chip power supply undervoltage protection: 3.2V (hysteresis 0.5V)
✦ Peak current sampling voltage: 250mV
✦ Adjustable off time
✦ Built-in over-temperature regulation
✦ Built-in VDD voltage regulator

APPLICATIONs
✦ LED flashlights
✦ Bicycle lights, electric car lights
✦ High-power LED lighting