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LYT5218D - Single-Stage LED Driver

Download the LYT5218D datasheet PDF. This datasheet also includes the LYT5216 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LYT5216-PowerIntegrations.pdf) that lists specifications for multiple related part numbers.

General Description

The LYTSwitch™-5 family is ideal for single-stage power factor corrected constant current LED applications – bulbs, tubes and ballasts.

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

The controller also provides fast (cycle-by-cycle) current limit, input and output OVP, plus advanced thermal management circuitry.

Overview

LYT5216-5228 LYTSwitch-5 Family Single-Stage LED Driver IC with Combined PFC and Constant Current Output in Isolated and Non-Isolated Topologies Product Highlights Combined Single-Stage PFC + Accurate CC Output • Accurate CC, better than ±3% • Power Factor >0.

Key Features

  • Input and output overvoltage.
  • Open-loop protection.
  • Advanced thermal control.
  • Thermal foldback allows output light delivery at abnormally high ambient temperatures.
  • Hysteretic shutdown provides protection during fault conditions.