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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.
LYT4328 Datasheet
