LNK420EG

LED Driver IC Overview

The LNK420EG is a non-dimming LED lighting driver IC from the LinkSwitch-PH family by Power Integrations. It provides a constant-current output with power factor correction and low total harmonic distortion for single-stage designs. The device supports commercial lighting applications up to 75 W. It operates within an input voltage range of 90 VAC to 265 VAC and features a switching frequency of 66 kHz. The component is housed in an eSIP-7F-6 package and is designed for through-hole mounting.

LED Driver IC Feature Summary

• Delivers constant-current output with power factor correction and low total harmonic distortion
• Enables single-stage design for reduced bill of materials cost and smaller driver size
• Supports high efficiency in commercial lighting applications

LED Driver IC Applications

• Commercial lighting applications up to 75 W
• Single-stage LED driver designs
• Constant-current LED string drivers

LED Driver IC Procurement Notes

Verify current availability status as the product may be subject to obsolescence or discontinuation notices. Confirm that the specific package type and marking align with your manufacturing requirements. Ensure compliance with relevant environmental regulations such as RoHS before finalizing procurement decisions.

LED Driver IC Selection Notes

Select this component for non-dimming LED applications requiring integrated power factor correction. It is suitable for designs aiming to minimize component count and board space. Consider the 75 W power capability and 66 kHz operating frequency when designing thermal management and EMI filtering strategies.

LED Driver IC Part Context

The LNK420EG belongs to the LinkSwitch-PH series, which includes dimming variants like the LNK410EG. These devices are engineered to simplify LED driver design by integrating control functions and power switching into a single package. The series targets high-efficiency, cost-sensitive commercial lighting solutions.

LED Driver IC Replacement Considerations

Publicly confirmed pin-to-pin replacements are not available. Designers should evaluate alternative families such as DPASwitch, though compatibility must be verified carefully.