LNK414EG

LED Driver IC Overview

The LNK414EG is a LinkSwitch-PH family AC-DC converter IC designed for high-power LED lighting applications. It integrates a 725 V power MOSFET, a current-mode controller, and an oscillator into a single monolithic device. The component operates at a switching frequency of 132 kHz to minimize transformer size. It supports a maximum output power of 60 W with a typical drain voltage rating of 725 V. The device utilizes a DIP-8 package for through-hole mounting.

LED Driver IC Feature Summary

• Integrates a 725 V power MOSFET and control circuitry for compact LED driver designs
• Features constant current regulation with programmable dimming capabilities
• Includes comprehensive protection mechanisms such as thermal shutdown and open-loop detection

LED Driver IC Applications

• High-power LED street lighting fixtures
• Commercial indoor LED downlights
• Industrial LED floodlights

LED Driver IC Procurement Notes

Verify the specific suffix against official Power Integrations documentation to confirm pinout compatibility and thermal characteristics. Ensure the procurement channel provides valid traceability for electronic components intended for safety-critical lighting systems. Cross-reference the datasheet revision date to confirm feature consistency.

LED Driver IC Selection Notes

Select this component for designs requiring integrated high-voltage switching in LED applications. Evaluate the thermal performance within the DIP-8 package against the expected ambient temperature. Confirm that the external passive components support the 132 kHz switching frequency requirements for optimal efficiency.

LED Driver IC Part Context

This part belongs to the LinkSwitch-PH series from Power Integrations, which targets general-purpose AC-DC conversion. Unlike standard flyback controllers, this family integrates the power switch directly. It serves as a cost-effective solution for replacing discrete MOSFET and controller combinations in medium-power isolated converters.

LED Driver IC Replacement Considerations

Consult official manufacturer substitution guides for verified alternatives. Generic replacements may lack the integrated protection logic or specific pinout configuration required for direct board-level interchangeability.