LYT3328D-TL

LED Driver IC Overview

The LYT3328D-TL is a single-stage LED driver IC from the LYTSwitch-3 family, designed for power factor corrected (PFC) constant current (CC) output. It integrates a high-voltage switched capacitor converter and operates with an input voltage range of 85 VAC to 265 VAC. The device delivers up to 20.4 W of output power at a peak drain voltage of 725 V. It utilizes fixed frequency pulse width modulation (PWM) control and includes comprehensive protection features such as overvoltage, overtemperature, and open/short circuit detection.

LED Driver IC Feature Summary

• Integrates a high-voltage switched capacitor converter for efficient power factor correction
• Provides constant current regulation for direct LED string driving without secondary isolation
• Includes built-in thermal shutdown and fault protection mechanisms

LED Driver IC Applications

• Single-stage AC-DC LED lighting applications
• Power factor corrected LED drivers
• Non-isolated LED string illumination

LED Driver IC Procurement Notes

Verify the specific suffix 'TL' indicates tape and reel packaging when ordering. Confirm the SO-16B-14 package type matches your PCB footprint requirements. Ensure compatibility with the 85 VAC to 265 VAC input range for your target market. Check for RoHS compliance documentation if required by your supply chain standards.

LED Driver IC Selection Notes

Select this component for designs requiring integrated PFC and constant current regulation in a single stage. It is suitable for applications where non-isolated topologies are acceptable and space constraints favor integrated solutions. Consider the 725 V drain voltage rating when designing the primary side components.

LED Driver IC Part Context

This part belongs to the LYTSwitch-3 series, which combines primary-side regulation with power factor correction. It targets general lighting applications where efficiency and component count reduction are priorities. The series offers various power levels within the same package family.

LED Driver IC Replacement Considerations

Check Power Integrations datasheets for other LYTSwitch-3 variants with similar power ratings and voltage specifications. Verify pinout compatibility before substituting with other models in the same series.