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LYT4228 - High Power LED Driver

Download the LYT4228 datasheet PDF (LYT4221 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for high power led driver.

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Note: The manufacturer provides a single datasheet file (LYT4221-PowerIntegrations.pdf) that lists specifications for multiple related part numbers.

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Full PDF Text Transcription

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LYT4221-4228/4321-4328 LYTSwitch™-4 High Power LED Driver IC Family Single-Stage Accurate Primary-Side Constant Current (CC) Controller with PFC for High-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.
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