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LYT4228 - High Power LED Driver

Download the LYT4228 datasheet PDF. This datasheet also covers the LYT4221 variant, as both devices belong to the same high power led driver family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

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

📁 Similar Datasheet

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LYT672 High-Current LED Siemens
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Other Datasheets by Power Integrations

Part Number Description
LYT4221 High Power LED Driver
LYT4222 High Power LED Driver
LYT4223 High Power LED Driver
LYT4224 High Power LED Driver
LYT4225 High Power LED Driver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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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