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LYT4217 Dataheets PDF



Part Number LYT4217
Manufacturers Power Integrations
Logo Power Integrations
Description High Power LED Driver IC
Datasheet LYT4217 DatasheetLYT4217 Datasheet (PDF)

LYT4211-4218/4311-4318 LYTSwitch™-4 High Power LED Driver IC Family Single-Stage Accurate Primary-Side Constant Current (CC) Controller with PFC for Low-Line Applications with TRIAC Dimming and Non-Dimming Options Product Highlights • Better than ±5% CC regulation • TRIAC dimmable to less than 5% output • Fast start-up • <250 ms at full brightness • <1s at 10% brightness • High power factor >0.9 • Easily meets EN61000-3-2 • Less than 10% THD in optimized designs • Up to 92% efficient •.

  LYT4217   LYT4217


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LYT4211-4218/4311-4318 LYTSwitch™-4 High Power LED Driver IC Family Single-Stage Accurate Primary-Side Constant Current (CC) Controller with PFC for Low-Line Applications with TRIAC Dimming and Non-Dimming Options Product Highlights • Better than ±5% CC regulation • TRIAC dimmable to less than 5% output • Fast start-up • <250 ms at full brightness • <1s at 10% brightness • High power factor >0.9 • Easily meets EN61000-3-2 • Less than 10% THD in optimized designs • Up to 92% efficient • 132 kHz switching frequency for small magnetics High Performance, Combined Driver, Controller, Switch The LYTSwitch-4 family enables off-line LED drivers with high power factor which easily meet international requirements for THD and harmonics. Output current is tightly regulated with better than ±5% CC tolerance1. Efficiency of up to 92% is easily achieved in typical applications. Supports a Wide Selection of TRIAC Dimmers The LYTSwitch-4 family provides excellent turn.


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