LYT6079C-H129-TL

LED Driver IC Overview

The LYT6079C-H129-TL is a 75 W LED lighting driver IC from the LYTSwitch-6 series by Power Integrations. It operates on an input voltage range of 85 VAC to 305 VAC and utilizes PowiGaN technology for high efficiency. The device features a flyback topology with one output channel, housed in an SOP-24D package. It supports a switching frequency range of 18 kHz to 145 kHz and functions within a temperature range of -40°C to +150°C.

LED Driver IC Feature Summary

• Integrates primary and secondary controllers with FluxLink feedback into a single chip
• Utilizes PowiGaN technology for reduced conduction and switching losses
• Provides constant current regulation with external sense resistor setting

LED Driver IC Applications

• Isolated offline LED drivers
• Smart LED lighting systems
• High-voltage flyback post-regulation circuits

LED Driver IC Procurement Notes

Verify the specific suffix H129 against official datasheets to confirm pinout and functional configuration differences compared to standard variants. Ensure compatibility with SOP-24D surface mount assembly processes and check humidity sensitivity handling requirements during storage and reflow soldering.

LED Driver IC Selection Notes

Select this component for designs requiring high power density without heatsinks. The integrated FluxLink technology eliminates optocouplers, simplifying transformer design. Consider the wide input voltage range for universal AC applications and the robust protection features for industrial environments.

LED Driver IC Part Context

This part belongs to the LYTSwitch-6 family, which simplifies offline LED driver development by integrating control, sensing, and feedback mechanisms. The series is designed to meet stringent global energy efficiency standards like Energy Star while maintaining compact form factors suitable for modern lighting fixtures.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.