LNK416LG

LED Driver IC Overview

The LNK416LG is an LED lighting driver IC from the LinkSwitch-PH family, designed for high-voltage AC-DC conversion. It supports input voltages of 85-265 VAC and delivers a maximum output power of 22 W. The device integrates a high-voltage power MOSFET with a precision controller in a single package. It utilizes primary-side regulation to eliminate optocouplers, ensuring accurate constant current control for LED strings. The component is housed in a tube package and belongs to the LNK4x series.

LED Driver IC Feature Summary

• Integrates high-voltage power MOSFET and precision controller
• Utilizes primary-side regulation for accurate constant current control
• Eliminates need for optocouplers and secondary-side feedback components

LED Driver IC Applications

• LED lighting drivers
• High-voltage AC-DC conversion systems
• Constant current LED string applications

LED Driver IC Procurement Notes

Verify end-of-life status before procurement as the manufacturer indicates this part is scheduled for obsolescence. Confirm availability through authorized distributors, noting that some regions may have restricted sales. Ensure design-in timing accounts for potential supply chain limitations associated with discontinued components.

LED Driver IC Selection Notes

Select this component for designs requiring integrated LED driving with minimal external parts count. It is suitable for applications needing precise current regulation without secondary-side sensing. Consider the 22 W power limit and wide input voltage range when defining system requirements. Verify thermal management needs based on the specific PCB layout and ambient conditions.

LED Driver IC Part Context

The LNK416LG belongs to the LinkSwitch-PH family, specialized for LED lighting applications. This series distinguishes itself by offering primary-side regulation capabilities, which simplify circuit design and improve reliability compared to traditional optocoupler-based solutions. It represents a compact solution for low-to-medium power LED drivers.

LED Driver IC Replacement Considerations

No pin-compatible replacement is confirmed in public documentation. The LNK416EG is listed as a related variant within the same family but features different electrical specifications such as input voltage range and operating frequency. Designers should evaluate functional compatibility rather than assuming direct interchangeability.