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LNK6407D

LNK6407D Description

The LNK6407D from Power Integrations is a high-efficiency, offline switcher IC designed for flyback topology applications. This surface-mount device integrates a 725V breakdown voltage MOSFET and advanced control circuitry, delivering up to 7.5W of power in a compact 8SO package. It operates at switching frequencies up to 85kHz with a 55% duty cycle, making it suitable for space-constrained designs requiring isolated power conversion. Compliant with RoHS and REACH Unaffected standards, the LNK6407D is ideal for industrial, consumer, and IoT applications demanding reliable, energy-efficient power management.

LNK6407D Features

• Integrated 725V 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 robust operation.
• High Efficiency: Optimized for flyback topologies, minimizing power losses and improving thermal performance.
• Wide Input Voltage Range: Supports universal input voltage applications (85VAC–265VAC).
• Low Standby Power: Meets global energy efficiency standards (e.g., DOE, ENERGY STAR).
• MSL 1 (Unlimited): Suitable for extended storage and handling without moisture sensitivity concerns.

LNK6407D Applications

• Auxiliary Power Supplies: For appliances, industrial controls, and smart meters.
• LED Lighting Drivers: Low-power LED bulbs and decorative lighting.
• Consumer Electronics: Adapters, chargers, and set-top boxes.
• IoT Devices: Energy-harvesting systems and sensor nodes requiring isolated power.
• Industrial Automation: Isolated bias supplies for motor drives and PLCs.

Conclusion of LNK6407D

The LNK6407D stands out for its high integration, reliability, and cost-effectiveness in low-power offline SMPS designs. Its built-in protections and 725V MOSFET make it superior to discrete solutions, while its 85kHz switching capability ensures compatibility with compact magnetics. Whether for consumer, industrial, or IoT applications, the LNK6407D delivers a balance of performance and simplicity, backed by Power Integrations' proven technology.