The LT3482IUD#PBF is a Dual Channel Telecom Ultra-Low Dropout (ULD) Linear Regulator designed for powering telecom line-cards or other subsystems requiring 3.3V and 5V power supplies. This regulator features low quiescent current, excellent line/load regulation and ultra-low dropout of 17mV at its full load with a single external capacitor. It provides 2.5A of output current on each channel and an adjustable current limit. Additional features include built-in thermal shutdown, reverse current protection and overvoltage protection. The device is specified for operation over the -40°C to +125°C temperature range and is offered in a compact 4 mm x 4 mm QFN package.