LYT3314 Datasheet (Power Integrations) - Single-Stage LED Driver

LYT3314, Single-Stage LED Driver

The LYTSwitch™-3 family is ideal for single-stage power factor corrected constant current LED bulbs and downlighters.

Each device incorporates a high-voltage power MOSFET and discontinuous mode, variable frequency variable on-time controller.

The controller also provides cycle-by-cycle current limit

LYT3314-3328 LYTSwitch-3 Family Single-Stage LED Driver IC with Combined PFC and Constant Current Output for Outstanding TRIAC Dimming in Isolated and Non-Isolated Topologies Product Highlights Combined Single-Stage PFC + Accurate CC Output Less than ±3% CC regulation over line and load Power Factor >0.9 Ensures monotonic VA reduction with TRIAC phase angle Low THD, 15% typical for dimmable bulbs, as low as 7% in optimized designs Advanced Integrated TRIA

LYT3314 Features

* Input and output overvoltage

* Output short-circuit and open-loop protection

* Advanced thermal control

* Thermal foldback ensures that light continues to be delivered at elevated temperatures

* End-stop shutdown provides protection during fault conditions D