USA LED Lighting Solutions has scored a first in shedding some light on energy savings. The Southbury-based provider of light-emitting diode systems recently completed the state's first all LED ...

R 1 setsthe LED-string currentusing R 1 =(2.5/I LED), where I LED isthe LED-string current.With a valueof 16.9Ω for R 1, thestring current is 148mA. The circuit hasslightly more than 2.5W peak ...