Led Lighting Driver IC with PFC function,Isolation AC/DC,DC/DC LED driver applicationWithout TL431 and photo-coupler (cost down) Wide Range Input Voltage (85VAC to 265VAC )High system power factor (higher than 0.95 )Accurate constant current control (less than 짹3%)Efficiency : 85%SOT23-6 Package Available (with PFC)built_in,