Description:
   HM5182S is a three-function flashlight LED driver chip, which adopts a very small SOT23-3 lead-free package. It only needs one capacitor device, which saves PCB space and system cost. Three dry batteries or one lithium battery can drive 1-5W LED.

FEATUREs:
✦ Full brightness, 25% brightness, and flash three function cycle modes
✦ Working voltage: 2.5V~5V
✦ Working efficiency up to 92%
✦ 300mΩ low on-resistance
✦ 1.1A driving current capability
✦ Built-in NMOS can directly drive 1~5W LED
✦ SOT23-3 green package
✦ Built-in anti-power reverse connection function
✦ With anti-fall function

APPLICATION range:
✦ Mobile flashlight
✦ LED headlight
✦ LED driver