RCD-48 Constant Current Buck LED Drivers RECOM Power RCD-48 Constant Current Buck LED Drivers provide a step-down constant current source designed for driving high power LED applications. With an input voltage up to 60VDC and constant current outputs of 350mA, 500mA, 700mA, and 1200mA, the RECOM Power RCD-48 drivers provide power up to 70W. This buck driver is ideal for operation with longer LED-chains and larger multi-chip arrays - perfect for applications like 48V bus lighting solutions or high voltage LED arrays (e.g. high bay lights).