LNK304DG

LNK304DG - LinkSwitch-TN AC-DC Offline Switcher IC

The LNK304DG from Power Integrations is a highly integrated AC-DC offline switcher IC from the LinkSwitch-TN family, designed for non-isolated buck, buck-boost, and flyback topologies. With a 700V breakdown voltage and 66kHz switching frequency, this surface-mount IC delivers reliable performance for power supply applications in industrial, consumer, and telecommunications equipment.

Key Features & Benefits

• Integrated Protection: Built-in current limiting, open loop, over-temperature, and short circuit protection ensures robust operation and long-term reliability
• High Voltage Capability: 700V breakdown voltage supports wide input voltage range applications
• Flexible Topology Support: Compatible with buck, buck-boost, and flyback configurations for design versatility
• Compact Surface Mount Package: 8-SOIC (SO-8C) package saves board space and simplifies assembly
• Wide Operating Temperature: -40°C to 150°C (TJ) junction temperature range for demanding environments
• 69% Duty Cycle: Optimized for efficient power conversion

Applications

Ideal for offline power supplies, auxiliary power modules, LED drivers, smart home devices, industrial controls, and white goods appliances requiring compact, reliable AC-DC conversion.

Authorized Distributor

We provide 100% authentic Power Integrations components with full manufacturer documentation, traceability, and warranty support. All parts are sourced through authorized channels with long lifecycle availability to support your design programs.

• LNK304DG.pdf