The LT3966EUJ#PBF is an LED Driver IC with 4 Output DC DC Regulator Step-Up (Boost) Analog, PWM Dimming 1.6A 40-QFN (6x6) manufactured by Analog Devices. It is a low quiescent current, high efficiency, 4-channel LED driver solution. It can operate in various LED configurations, including series, parallel, and combination of series and parallel arrangements, with a single LED per output. The device has an input voltage range from 6V to 45V, and can output up to 1.6A per output with a maximum total output current of 4A. Additionally, the LT3966EUJ#PBF features analog and PWM dimming control modes, with a typical efficiency of 94%. It is housed in a 6x6mm 40-QFN package and is suitable for buck-boost, SEPIC, Cuk and other step-up topologies.