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ISL1903 - Dimmable Buck LED Driver - AC Mains or DC Input LED Driver

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Features

  • required for high-performance dimmable LED ballast designs.

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Datasheet Details

Part number ISL1903
Manufacturer Renesas
File Size 880.05 KB
Description Dimmable Buck LED Driver - AC Mains or DC Input LED Driver
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Full PDF Text Transcription

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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). The ISL1903 supports buck converter topologies, such as isolated forward converters or non-isolated source return buck converters. Operation in CrCM allows near zero-voltage switching (ZVS) for improved efficiency while maximizing magnetic core utilization.
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