30mA-120mA,线性调整,线性恒流IC,iML8683

General Description Features The iML8 68 3 is   a   T hree Terminal   Current Controller (TTCC) for regulating the current flowing through a n LED string . The  application  of the  iML868 3 is  configured  in parallel with an LED string. T he iML8 68 3 can work as voltage   controlled   current   source , current regulat or , or cut - off. It is suitable for the applications adopting periodical AC voltage source . The  PCB  layout  is  also very flexible  to  meet variou s shape requirement s . It is especially suitable for replacing incandescent light bulb and linear type fluorescent lamp .  System - All solid state components. - No electrolytic capacitor needed. - Compact size. - High PF and low THD performance. - High efficiency achieved. - Flexible PCB layout style. - Wide range of LED forward voltage selection.  Chip - 9 0V input sustaining voltage. - 3 V dropout voltage for up to 150 mA regulating current . - Chip on board process available . T ypical Application Circuit Applications BD U 1 LED 1 MS 1 MS 2 K CS NC A LED 2 MS 1 MS 2 K CS NC A LED 3 MS 1 MS 2 K CS NC A Q 1 U 2 U 3 R ZD MOV I LE D I LED Rectified VAC  AC LED lighting engine .  LED light bulb.  LED light tube.    
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