ISL1903 c1oN-8nO8t8aR-cIEtNCoTOuOEBrRMSTSMOeIcLELhNEonTDricEEwaDPwl RSwRuO.EipnDPptULeoArCrstCTiClE.ceMonEmteN/rtTsact Dimmable Buck LED Driver - AC Mains or DC Input LED Driver DATASHEET FN8285 Rev 1.00 September 20, 2012 The ISL1903 is a high-performance, critical conduction mode (CrCM), single-ended buck LED driver controller.
It may be used with DC input converters, but also supports single-stage conversion of the AC mains to a constant current source with power factor correction (PFC).