Use constant current to drive LED The isolation buck topologies,with high conversion efficiency Main ... Inputinput frequency:40~60Hz3,Input current:0.096~0.1A4,Power factor:0.92~0.945,Output voltage:60~130V6,Max ... Output power:20W7,Output current:120~140mA 180~200mA 240~260mA8,Efficiency ... , fluorescent lamp. LED Non Isolation built-in fluorescent lamp power driver