... Use constant current to drive LED The isolation buck topologies,with high conversion efficiency Main specification:1,Input voltage:220VAC2,Inputinput ... Output current:120~140mA 180~200mA 240~260mA8,Efficiency:90%9,Prohibit no-load10,Protect function:overcurrent,overvoltage11,Work enviroment:- ... ,luminous characters,wall washer, fluorescent lamp. LED Non Isolation built-in fluorescent lamp power driver