LNK500G

LNK500G - LinkSwitch® Offline Switcher IC

The LNK500G from Power Integrations is a high-performance offline switcher IC featuring integrated MOSFET technology for compact, efficient AC-DC power conversion. This LinkSwitch® series device delivers up to 5.5W output power in a flyback topology configuration, making it ideal for low-power applications requiring reliable, isolated power supplies.

Key Features & Benefits

• Integrated 700V MOSFET - High voltage capability reduces component count and board space
• 5.5W Output Power - Optimized for low-power consumer and industrial applications
• Flyback Topology - Proven architecture for isolated power conversion
• 30-42kHz Switching Frequency - Balances efficiency and EMI performance
• Comprehensive Protection - Built-in current limiting, over-temperature, short circuit, and open loop protection
• Wide Operating Range - Functions reliably from -40°C to 150°C junction temperature
• Compact SMD-8B Package - Surface mount design for automated assembly

Applications

The LNK500G is perfectly suited for:

• AC-DC adapters and chargers
• Auxiliary power supplies
• Standby power circuits
• Home appliances and white goods
• Industrial control systems
• LED lighting drivers

Why Choose LNK500G?

Power Integrations' LinkSwitch® family offers proven reliability with millions of units deployed worldwide. The LNK500G simplifies power supply design by integrating the high-voltage MOSFET, oscillator, and control circuitry into a single package, reducing design time, component count, and overall system cost while maintaining excellent performance and safety margins.

• LNK500G.pdf