LNK405EG

LED Driver IC Overview

The LNK405EG is a LinkSwitch-PH family IC designed for high power factor TRIAC dimmable LED drivers. It drives an LED string with a nominal voltage of 30 V at 0.5 A from an input range of 180 VAC to 265 VAC. The device integrates a 700 V Power MOSFET and control circuitry into a single package.

LED Driver IC Feature Summary

• Supports TRIAC dimming functionality for LED applications
• Integrates high-voltage switching and control logic
• Designed for high power factor performance

LED Driver IC Applications

• TRIAC dimmable LED lighting systems
• High power factor LED driver designs

LED Driver IC Procurement Notes

Verify the specific manufacturer datasheet for the LNK405EG to confirm current availability and pinout compatibility. Ensure that the selected component matches the required electrical specifications for the intended LED driver application, particularly regarding the 700V rating and dimming capabilities.

LED Driver IC Selection Notes

Select this component for applications requiring integrated TRIAC dimming and high power factor correction in LED drivers. Consider the fixed output parameters of 30 V and 0.5 A when designing the LED string configuration to ensure proper operation within the specified input voltage range.

LED Driver IC Part Context

The LNK405EG belongs to the LinkSwitch-PH family from Power Integrations. This series focuses on providing complete solutions for offline switcher applications, combining power switching and control functions to reduce component count and simplify design processes for AC-DC conversion tasks.

LED Driver IC Replacement Considerations

Consult official substitution guides for compatible LinkSwitch-PH variants or other TRIAC-dimmable LED driver ICs from Power Integrations. Verify electrical equivalence and pin compatibility before replacing.