LYT6079C-H125-TL

LED Driver IC Overview

The LYT6079C-H125-TL is an LED lighting driver IC from the LYTSwitch-6 series by Power Integrations. It integrates a primary-side controller, high-voltage switch, secondary-side control, and synchronous rectification driver into a single SOP-24D package. The device utilizes PowiGaN technology for enhanced performance. It supports an input voltage range of 85 VAC to 305 VAC and delivers up to 75 W output power. The operating frequency ranges from 18 kHz to 145 kHz, with a supply voltage range of 4.65 V to 5.15 V. It operates within a temperature range of -40°C to +150°C.

LED Driver IC Feature Summary

• Integrates primary and secondary controllers with FluxLink feedback for precise control without optocouplers
• Utilizes PowiGaN technology to reduce switching and conduction losses
• Supports multi-mode Quasi-Resonant (QR) and Continuous Conduction Mode (CCM) operation
• Includes built-in safety features such as auto-restart protection and thermal foldback

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 H125 against official datasheets to confirm pinout and electrical characteristics match design requirements. Confirm RoHS compliance status through manufacturer documentation. Ensure ESD handling procedures are followed due to moisture sensitivity classification. Validate that the SOP-24D package fits the target PCB footprint and thermal management strategy.

LED Driver IC Selection Notes

Select this component for designs requiring high efficiency across the full load range without external heat sinks. The integrated FluxLink technology simplifies transformer design by eliminating the need for auxiliary windings for feedback. Consider the wide input voltage range for universal AC applications. Evaluate the thermal performance in compact enclosures given the high power density capabilities of the PowiGaN technology.

LED Driver IC Part Context

This part belongs to the LYTSwitch-6 family, which represents a significant advancement in LED driver integration. The series combines advanced GaN technology with sophisticated control algorithms to achieve high power densities. It is designed to meet stringent global energy efficiency standards while reducing system component count and cost compared to discrete solutions.

LED Driver IC Replacement Considerations

Check for direct substitutes within the LYTSwitch-6 family, such as LYT6078C or LYT6070C, depending on required power levels. Verify pin compatibility and thermal characteristics before substitution. Consult official replacement guides for any functional differences in control loops or protection thresholds.