High Power LED Driver IC
LYT4221-4228/4321-4328 LYTSwitch™-4 High Power LED Driver IC Family
Single-Stage Accurate Primary-Side Constant Current ...
Description
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. 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 tur...
Similar Datasheet