LNK353PN

LNK353PN - LinkSwitch-HF Offline Switcher IC

The LNK353PN from Power Integrations is a highly integrated offline switcher IC designed for cost-effective, low-power AC-DC conversion applications up to 4 watts. Part of the innovative LinkSwitch-HF family, this device combines a 700V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry onto a single monolithic IC.

Key Features & Benefits

• Integrated 700V MOSFET - Reduces component count and board space
• 4W Output Power - Ideal for low-power applications including adapters, chargers, and auxiliary supplies
• 200kHz Switching Frequency - Enables use of smaller, lower-cost transformers
• Flyback Topology - Simple, proven design for isolated power conversion
• Comprehensive Protection - Built-in current limiting, open loop, over-temperature, and short circuit protection
• Wide Operating Range - Functions from -40°C to 150°C junction temperature
• Through-Hole Package - Easy assembly and prototyping with standard 8-DIP format
• RoHS Compliant - Meets environmental standards for global markets

Typical Applications

• Cell phone and tablet chargers
• Standby power supplies
• Auxiliary power for appliances
• LED lighting drivers
• Smart home devices
• Industrial control systems

Why Choose Power Integrations?

Power Integrations is a world leader in high-voltage integrated circuits for energy-efficient power conversion. The LinkSwitch-HF family delivers exceptional reliability, simplified design, and reduced system cost for your power supply needs.

Quality Assurance: We supply only genuine, authorized components with full traceability and manufacturer warranty support.

• LNK353PN.pdf