LNK353P

LNK353P - LinkSwitch-HF Offline Switcher IC

The LNK353P from Power Integrations is a high-performance offline switcher IC designed for compact, cost-effective AC-DC power conversion applications up to 4 watts. Part of the proven LinkSwitch-HF family, this integrated solution combines a 700V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry on a single chip.

Key Features & Benefits

• Integrated Design: Reduces component count and simplifies PCB layout with built-in 700V MOSFET switch
• High Efficiency: 200kHz switching frequency enables use of smaller transformers and output filters
• Comprehensive Protection: Built-in current limiting, open loop detection, over-temperature, and short circuit protection
• Reliable Performance: Wide operating temperature range (-40°C to 150°C TJ) for demanding environments
• Flyback Topology: Ideal for isolated power supplies with minimal external components
• Easy Implementation: Through-hole 8-DIP package simplifies prototyping and manufacturing

Typical Applications

• Standby power supplies for consumer electronics
• Auxiliary power for appliances and industrial equipment
• LED driver circuits
• Battery chargers and adapters
• Smart home and IoT device power modules

All specifications are subject to manufacturer's datasheet. This is an authorized distribution product with full traceability and quality assurance.

• LNK353P.pdf