LNK604PG

LNK604PG - LinkSwitch-II Offline Switcher IC

The LNK604PG from Power Integrations is a high-performance offline switcher IC from the LinkSwitch®-II family, designed for reliable, cost-effective AC-DC power conversion in flyback topology applications up to 4.1W. This integrated solution combines a 700V power MOSFET with advanced control circuitry, delivering exceptional efficiency and comprehensive protection features for industrial, consumer, and telecom applications.

Key Features & Benefits

• Integrated 700V Power MOSFET: High breakdown voltage enables wide input voltage range and robust performance
• 4.1W Output Power: Ideal for low-power auxiliary supplies, standby converters, and bias rails
• Isolated Flyback Topology: Provides galvanic isolation for safety-critical applications
• Up to 85kHz Switching Frequency: Enables compact transformer design and reduced component size
• Comprehensive Fault Protection: Built-in current limiting, open loop, over-temperature, and short circuit protection ensure reliable operation
• Wide Operating Temperature Range: -40°C to 150°C (TJ) for demanding industrial environments
• Through-Hole 8-DIP Package: Easy assembly and prototyping with standard DIP footprint
• RoHS Compliant: Meets environmental standards for global distribution

Typical Applications

• Auxiliary power supplies for industrial equipment
• Standby power for consumer electronics
• Bias supplies for telecom infrastructure
• Smart home and IoT device power
• LED driver circuits
• Battery charger applications

Design Support & Documentation

Power Integrations provides comprehensive design resources including reference designs, application notes, and technical support to accelerate your time-to-market. The LinkSwitch-II family is backed by decades of proven reliability in millions of deployed units worldwide.

Need assistance with design-in or volume pricing? Contact our technical team for application support, reference designs, and custom solutions tailored to your requirements.

• LNK604PG.pdf