LNK6407K

LNK6407K - LinkSwitch-3 AC-DC Offline Switcher IC

The LNK6407K from Power Integrations is a high-performance AC-DC offline switcher IC from the LinkSwitch-3 family, designed for cost-effective, space-saving power supply applications up to 9W. This integrated switcher combines a 725V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry onto a single chip.

Key Features & Benefits

• Integrated Design: Reduces component count and board space with built-in 725V MOSFET switch
• Flyback Topology: Proven architecture for isolated power conversion with excellent efficiency
• Comprehensive Protection: Current limiting, open loop, over-temperature, and short circuit protection ensure reliable operation
• Wide Operating Range: Functions across -40°C to 150°C junction temperature for demanding environments
• High Switching Frequency: Up to 85kHz operation enables smaller magnetic components
• Surface Mount Package: 12-ESOP format simplifies automated assembly and improves thermal performance

Typical Applications

• AC-DC power supplies for consumer electronics
• Auxiliary power supplies for industrial equipment
• Standby power for appliances and white goods
• LED driver circuits
• Battery chargers and adapters

Why Choose LNK6407K?

The LNK6407K delivers exceptional value for engineers designing compact, reliable power supplies. Its integrated protection features reduce external component requirements while ensuring safe operation under fault conditions. The LinkSwitch-3 family is backed by Power Integrations' extensive design support, reference designs, and proven track record in power conversion.

Authorized Distributor: We provide 100% authentic Power Integrations components with full manufacturer documentation, traceability, and warranty support. Long lifecycle availability ensures your designs remain supported throughout their production life.

• LNK6407K.pdf