LYT3324D

LED Driver IC Overview

The LYT3324D is an LED lighting driver IC from the LYTSwitch-3 family by Power Integrations. It integrates a high-voltage switch and controller for single-stage LED drivers with power factor correction (PFC) and constant current (CC) regulation. The device operates with a maximum drain voltage of 650V and supports output power up to 27W. It utilizes primary-side sensing to eliminate optocouplers, reducing component count. The IC is housed in an SO-16B-14 package and is designed for surface mount installation.

LED Driver IC Feature Summary

• Integrates PFC and CC control in a single stage
• Eliminates optocoupler via primary-side sensing
• Supports TRIAC dimming applications

LED Driver IC Applications

• Single-stage LED drivers
• High power factor lighting systems
• TRIAC dimmable LED bulbs

LED Driver IC Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and thermal characteristics. Ensure compatibility with the target PCB footprint for the SO-16B-14 package. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly.

LED Driver IC Selection Notes

Select this component for designs requiring integrated PFC and constant current regulation without secondary feedback loops. Suitable for applications prioritizing reduced bill of materials and simplified transformer design. Evaluate thermal performance within the SO-16B-14 package constraints for the intended power level.

LED Driver IC Part Context

Part of the LYTSwitch-3 family, which combines high-voltage switching and control logic. This series targets cost-sensitive LED lighting applications by minimizing external components. The integration allows for compact designs suitable for various form factors.

LED Driver IC Replacement Considerations

Check datasheet specifications for direct substitutes within the LYTSwitch-3 series. Verify equivalent power ratings and package dimensions before considering alternatives.