What is LNK304GN Chip?

 The LNK304GN is a highly integrated off-line switcher IC from Power Integrations, part of the LinkSwitch family. It is designed for low-power AC-DC power supply applications, providing a compact solution for converting mains voltage to regulated low-voltage output. The LNK304GN is particularly suitable for applications such as chargers, adapters, and LED drivers.   

Key Features:

  1. Integrated Power MOSFET: The LNK304GN includes a high-voltage power MOSFET, which simplifies circuit design and reduces the number of external components required. This integration helps save space on the PCB.

  2. High Efficiency: The device is optimized for low power consumption, typically achieving efficiencies greater than 70%, even at light loads. This efficiency is crucial for applications that need to comply with energy-saving regulations.

  3. Wide Input Voltage Range: It operates with an input voltage range of 85V to 265V AC, making it versatile for global applications without the need for additional input voltage conditioning.

  4. Energy Efficiency: The LNK304GN features low no-load power consumption (less than 100 mW), which is essential for meeting energy efficiency standards like Energy Star and EU Code of Conduct.

  5. Built-in Protection Features: The IC includes multiple protection features such as over-voltage protection (OVP), over-temperature protection (OTP), and short-circuit protection, ensuring safe and reliable operation.

Applications:

  • Power Adapters: Commonly used in compact wall adapters and chargers for electronic devices.
  • LED Lighting: Suitable for driving LED applications with low-power requirements, providing a stable power supply.
  • Consumer Electronics: Ideal for powering small electronic devices and household appliances.
  • Battery Chargers: Used in designs for charging batteries in portable devices due to its low power consumption.

Technical Specifications:

  • Input Voltage: 85V to 265V AC
  • Output Power: Up to 5W in typical applications
  • Switching Frequency: Approximately 66 kHz
  • Operating Temperature Range: -40°C to +150°C

The LNK304GN is recognized for its simplicity, efficiency, and robust protection features, making it a preferred choice for engineers designing low-power AC-DC converters. Its compact form factor and high level of integration help streamline design processes and reduce overall system costs. 

Search List Page：LNK304GN Parts Search Page | Datasheet PDF | Price | Quantity-MobikeChip 

 

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