High Power LED Driver IC - Power Integrations
Description
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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