Power Integrations Tariff Inquiry

LNK6779V

LNK6779V Description

The LNK6779V from Power Integrations is a high-performance offline switcher IC designed for flyback topology applications, delivering up to 54W of power with integrated 725V breakdown voltage capability. Housed in a 12EDIP through-hole package, it operates at a switching frequency of 120kHz–136kHz with a 64% duty cycle, ensuring efficient power conversion. Compliant with RoHS and REACH Unaffected standards, this active-status device is ideal for isolated power supply designs requiring robust fault protection and reliability.

LNK6779V Features

• Integrated 725V MOSFET: Eliminates the need for an external switch, reducing BOM complexity.
• Comprehensive Protection: Combines current limiting, overload, overtemperature, overvoltage, and short-circuit protection for enhanced system durability.
• High Efficiency: Optimized 120kHz–136kHz switching frequency minimizes losses, suitable for energy-sensitive applications.
• Isolated Output: Ensures safety and compliance in industrial and consumer designs.
• Wide Operating Range: Supports 54W power delivery, making it versatile for mid-power applications.
• Moisture Sensitivity Level (MSL) 3: Suitable for extended storage (168 hours) in humid environments.

LNK6779V Applications

The LNK6779V excels in:

• Industrial Power Supplies: Reliable performance in harsh environments with fault-tolerant operation.
• Consumer Electronics: Adapters, LED drivers, and auxiliary power units requiring compact, efficient designs.
• Telecom/Networking Equipment: Isolated DC-DC converters for routers, switches, and PoE systems.
• Home Appliances: Smart meters, white goods, and HVAC controls benefiting from its protection features.

Conclusion of LNK6779V

The LNK6779V stands out as a robust, integrated offline switcher for flyback converters, combining high voltage tolerance, advanced protection, and efficiency. Its through-hole mounting and tube packaging simplify assembly, while its 54W capability and wide fault coverage make it superior to discrete solutions. Ideal for industrial, consumer, and telecom applications, this IC reduces design complexity and improves reliability in demanding power systems.