LNK6427D

LNK6427D - LinkSwitch-3 AC-DC Offline Switcher IC

The LNK6427D from Power Integrations is a high-performance 7.5W AC-DC offline switcher IC featuring an integrated 725V MOSFET and advanced flyback topology. Part of the industry-leading LinkSwitch-3 family, this surface-mount power management IC delivers reliable, efficient power conversion for industrial, consumer, and telecommunications applications.

Key Features & Benefits

• Integrated 725V MOSFET - Reduces component count and simplifies design
• 7.5W output power - Ideal for low-to-medium power applications
• Flyback topology - Proven, cost-effective isolated power supply architecture
• Up to 85kHz switching frequency - Enables compact transformer design
• Comprehensive fault protection - Current limiting, open loop, over-temperature, and short circuit protection
• Wide operating temperature range - -40°C to 150°C (TJ) for demanding environments
• Compact SO-8C package - Space-saving surface mount design

Applications

The LNK6427D is designed for isolated AC-DC power supplies in applications including smart home devices, IoT sensors, industrial controls, white goods appliances, and auxiliary power supplies. Its integrated protection features and wide temperature range make it suitable for harsh industrial environments.

Why Choose Authorized Distribution?

When you purchase the LNK6427D from our authorized distributor network, you receive genuine Power Integrations components with full manufacturer traceability, technical documentation, and warranty support. We provide long lifecycle availability to support your product programs and mitigate obsolescence risk.

• LNK6427D.pdf