LNK407EG

LED Driver IC Overview

The LNK407EG is a LinkSwitch-PH LED driver IC from Power Integrations, designed for single-stage off-line LED lighting applications. It integrates power factor correction and accurate constant-current output to dramatically simplify driver design. The device supports TRIAC dimming and operates with an input voltage range of 85-265 VAC. Key electrical specifications include a maximum supply voltage of 725V, a minimum supply voltage of 36V, a switching frequency of 66kHz, and a maximum output current of 1.77A.

LED Driver IC Feature Summary

• Single-stage combination of power factor correction and accurate constant-current output
• Supports TRIAC dimming functionality
• Dramatically simplifies off-line LED driver design

LED Driver IC Applications

• Off-line LED lighting drivers
• TRIAC dimmable LED applications
• Single-stage power factor corrected LED drivers

LED Driver IC Procurement Notes

Verify the specific suffix 'EG' against the manufacturer's official datasheet to confirm package type and pinout configuration. Ensure compatibility with required thermal management solutions for the intended application environment. Cross-reference the component status as active with authorized distributors to guarantee authenticity and availability of updated production batches.

LED Driver IC Selection Notes

Select this component for designs requiring integrated PFC and constant current control without external microcontrollers. Consider the 66kHz switching frequency and 1.77A output capability when sizing passive components. Evaluate the TRIAC dimming requirement against the load characteristics to ensure stable operation across the dimming range.

LED Driver IC Part Context

The LNK407EG belongs to the LinkSwitch-PH family from Power Integrations. This series focuses on high-integration AC-DC conversion solutions for LED lighting. The family is characterized by combining power switching, control logic, and protection features into a single package to reduce bill of materials and board space.

LED Driver IC Replacement Considerations

Consult official substitution guides for compatible LinkSwitch-PH variants. Verify pinout and electrical parameter alignment before replacing existing designs.