LYT3325D

LED Driver IC Overview

The LYT3325D is a single-stage LED driver IC from the LYTSwitch-3 family, designed for high-performance constant current output with combined power factor correction. It supports input voltages of 85 VAC to 132 VAC and 185 VAC to 265 VAC, delivering up to 8.8W of output power. The device integrates a 725V MOSFET and operates in boost, buck, or buck-boost topologies. It features an SO-16B-14 package and includes internal protection mechanisms such as overvoltage, overtemperature, and open/short circuit detection.

LED Driver IC Feature Summary

• Integrated single-stage design combining PFC and constant current regulation
• Supports boost, buck, and buck-boost converter topologies
• Built-in advanced protection for system reliability
• Optimized for excellent TRIAC dimming performance

LED Driver IC Applications

• Single-stage LED lighting drivers
• High power factor AC-DC conversion
• Constant current LED applications requiring compact form factors

LED Driver IC Procurement Notes

Verify the specific suffix (e.g., D vs TL) against the official datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the component status is active, as some variants may be marked as not recommended for new designs. Cross-reference the pinout and thermal pad requirements with the manufacturer's layout guidelines before finalizing procurement.

LED Driver IC Selection Notes

Select this component for applications requiring integrated PFC and CC control in a single stage. Ensure the input voltage range matches the target market (universal or specific). Consider the thermal management capabilities of the SO-16B package relative to the 8.8W power limit. Verify compatibility with required dimming protocols if TRIAC dimming is specified.

LED Driver IC Part Context

Part of the LYTSwitch-3 family, which offers integrated solutions for isolated and non-isolated LED drivers. This series emphasizes high efficiency and reduced component count by integrating the controller, gate drive, and power switch into a single package.

LED Driver IC Replacement Considerations

Check for updated revisions within the LYT33x5 series. Verify functional equivalence with other single-stage drivers if supply constraints exist, ensuring topology support and voltage ratings match.