Description:
   HM6109 is an efficient and stable high brightness constant current LED three-function driver chip, with built-in high-precision comparator, fixed off-time control circuit, constant current drive circuit, three-function control circuit, etc., suitable for single or multiple high-power LED series and parallel use.

FEATUREs:
✦ Wide input voltage range: 2.5V~24V
✦ High efficiency: up to 90%
✦ Three-function output: 100% bright-25% bright-flash
✦ Typical internal integrated voltage regulator value: 3.5V
✦ Maximum operating frequency: 1MHz
✦ Chip power supply undervoltage protection: 2.5V
✦ Peak current sampling voltage: 250mV
✦ Adjustable off time

APPLICATION range:
✦ LED lighting system
✦ Bicycle lights
✦ LED spotlights
✦ High-intensity flashlights