Power Integrations

LNK364DN

LNK364DN Description

The LNK364DN from Power Integrations is a high-efficiency, offline switcher IC designed for flyback topology applications. This surface-mount device integrates a 700V breakdown voltage MOSFET, making it suitable for robust power conversion tasks. With a 9W power rating and 132kHz switching frequency, it delivers reliable performance in compact designs. The IC features isolated output and complies with RoHS and REACH standards, ensuring environmental and regulatory compatibility. Packaged in an 8SO tube, it is ideal for space-constrained applications requiring high voltage isolation and energy efficiency.

LNK364DN Features

• Integrated 700V MOSFET: Eliminates the need for an external switch, reducing BOM cost and board space.
• Comprehensive Fault Protection: Includes current limiting, open-loop, over-temperature, and short-circuit protection for enhanced system reliability.
• High Switching Frequency (132kHz): Enables smaller transformer and filter components, optimizing PCB footprint.
• Wide Duty Cycle (60%): Supports flexible design for varying load conditions.
• Low Moisture Sensitivity (MSL 1): Suitable for extended storage and harsh environments.
• Isolated Output: Ensures safety and compliance in AC/DC applications.

LNK364DN Applications

The LNK364DN excels in low-power AC/DC conversion scenarios, such as:

• Auxiliary Power Supplies: For industrial controls, appliances, and IoT devices.
• LED Drivers: Efficiently powers LED lighting systems with stable output.
• Consumer Electronics: Adapters, chargers, and standby power modules.
• Industrial Systems: Isolated power for sensors, PLCs, and communication modules.

Conclusion of LNK364DN

The LNK364DN stands out for its integration, protection features, and compact design, making it a superior choice for flyback-based power supplies. Its high voltage tolerance, fault resilience, and efficiency cater to demanding applications while simplifying design complexity. Engineers seeking a cost-effective, reliable offline switcher for 9W systems will find this IC an optimal solution.