... Use constant current to drive LED The isolation buck topologies,with high conversion efficiency Main specification:1,Input voltage:220VAC2,Inputinput ... :overcurrent,overvoltage11,Work enviroment:-25~+55°c12,storage temperature:-40~+8013,temperature rise:≤25%14,enviroment temperature:≤98%15, ... ,luminous characters,wall washer, fluorescent lamp. LED Non Isolation built-in fluorescent lamp power driver