LYT6077C-TL

LED Driver IC Overview

The LYT6077C-TL is a Flyback LED Driver IC from the LYTSwitch-6 series by Power Integrations. It supports an input voltage range of 85 VAC to 305 VAC and delivers up to 45 W output power. The device features a single output with constant current and constant voltage capabilities, providing an output current of 1.65 A. Operating at a fixed frequency of 25 kHz, it utilizes an InSOP-24D package. The component functions within a temperature range of -40°C to +105°C.

LED Driver IC Feature Summary

• Integrates primary-side control, high-voltage switch, and secondary-side synchronous rectification driver into a single chip.
• Utilizes FluxLink technology for HIPOT-isolated feedback to ensure accurate CV/CC regulation without optocouplers.
• Employs PowiGaN technology to achieve high efficiency across the full load range.
• Supports Quasi-Resonant switching to minimize electromagnetic interference and switching losses.

LED Driver IC Applications

• LED lighting drivers for compact enclosures
• High-efficiency general illumination systems
• Designs requiring compliance with global energy efficiency regulations

LED Driver IC Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to confirm pinout and thermal characteristics. Ensure the selected variant matches the required package type and operating temperature range. Confirm RoHS compliance status through official documentation before procurement. Cross-reference the manufacturer part number with authorized distributor listings to avoid counterfeit components.

LED Driver IC Selection Notes

Select this component for applications demanding high integration and reduced bill of materials due to the elimination of optocouplers. Consider the InSOP-24D package constraints for thermal management in enclosed designs. Evaluate the 25 kHz switching frequency against EMI requirements. Verify that the 1.65 A output current aligns with the target LED string configuration and power budget.

LED Driver IC Part Context

This part belongs to the LYTSwitch-6 family, which simplifies off-line LED driver development. The series incorporates both primary and secondary controllers with integrated sense elements. The architecture allows for compact designs with high efficiency, targeting modern lighting standards and reducing system complexity compared to traditional multi-chip solutions.

LED Driver IC FAQ

Does the LYT6077C-TL require an external optocoupler for feedback?

No, it uses the integrated FluxLink communication link for HIPOT-isolated feedback, eliminating the need for an optocoupler.

What is the maximum operating temperature for this IC?

The maximum operating temperature is +105°C.