ISL1904 - Dimmable AC Mains LED Driver

Renesas

Key Features

required for high-performance dimmable LED ballast designs and supports AC or DC input, isolated or non-isolated flyback and boost topologies. This advanced BiCMOS controller features all of.

ISL1904 dimmable ac mains led driver by Renesas - Datasheet Preview

Datasheet Details

Part number	ISL1904
Manufacturer	Renesas
File Size	943.80 KB
Description	Dimmable AC Mains LED Driver
Datasheet	ISL1904 Datasheet

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Full PDF Text Transcription (Reference)

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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 current by monitoring the primary side switching current so the feedback signal does not cross the isolation barrier. Operation in CrCM allows near zero-voltage quasi-resonant switching (ZVS) for improved efficiency while maximizing magnetic core utilization.