Non-isolated Buck LED Driver features? Without auxiliary coil power? Bottom switch, high efficiency, low EMI? PF can be adjusted to 0.9? Sense the change automatically compensated inductor? Automatically adapt to changes in the output voltage? Short circuit protection? Temperature protection? Too ? open circuit voltage protection to protect fewer external components operating temperature:?? -40 ~ 100 ℃ Overview R9026 is a dedicated non-isolated step-down constant current LED driver IC, the system works in the bottom switch mode, high conversion efficiency, EMI low , PF can be adjusted to 0.9, the output current is automatically adapted to sense the amount of inductance change and change in output voltage, thus truly a constant current drive LED. R9026 integrates a rich protection features include overvoltage protection, short circuit protection, cycle-by-cycle current protection, thermal protection and soft start. R9026 has a very low start-up current and operating current, may be in the full voltage AC input (85VAC ~ 265VAC) range of highly efficient drive the LED. Applications LED drive power.