LYT3318D-TL

LED Driver IC Overview

The LYT3318D-TL is a single-stage LED driver IC from the LYTSwitch-3 family, designed for power factor corrected constant current applications. It integrates a high-voltage switched capacitor converter and an AC/DC controller with a 650V MOSFET. The device supports non-isolated topologies including flyback, SEPIC, buck, and boost. It delivers up to 20.4W of output power and operates within a wide input voltage range. The component is housed in a SO-16B-14 package.

LED Driver IC Feature Summary

• Integrates a high-voltage switched capacitor converter and AC/DC controller with a 650V MOSFET
• Supports non-isolated topologies such as flyback, SEPIC, buck, and boost
• Provides power factor correction and constant current regulation

LED Driver IC Applications

• Single-stage power factor corrected constant current LED bulbs
• LED downlighters
• General solid-state lighting fixtures

LED Driver IC Procurement Notes

Verify the specific suffix TL indicates reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Ensure moisture sensitivity level requirements are met during storage and handling procedures. Validate that the SO-16B-14 package dimensions match the target PCB layout constraints before finalizing procurement decisions.

LED Driver IC Selection Notes

Select this component for designs requiring integrated PFC and constant current control without isolation. The LYTSwitch-3 series is suitable for reducing bill of materials by combining multiple functions into a single chip. Consider the maximum output power rating of 20.4W when determining thermal management strategies for the intended application environment.

LED Driver IC Part Context

This part belongs to the LYTSwitch-3 family of single-stage LED driver ICs. These devices are engineered to simplify design complexity in non-isolated LED lighting applications. The family offers various power levels while maintaining high efficiency across the load range. The LYT3318D-TL specifically targets mid-power applications within this product line.

LED Driver IC Replacement Considerations

LYT3314D-TL and LYT3316D-TL are listed as parameter equivalent alternatives.