ISL1904 NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc Dimmable AC Mains LED Driver with PFC and Primary Side Regulation DATASHEET FN8286 Rev 1.00 September 20, 2012 The ISL1904 is a high-performance, critical conduction mode (CrCM), flyback controller used for single-stage conversion of the AC mains to a constant current source with power factor correction (PFC).
The controller regulates the output cu