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LNK304PN IC – Power Integrations – AC-DC Off Line Switcher IC

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25 In stock


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136.00 (excluding 18% GST)

25 In stock

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Description

The LNK304PN is part of the LinkSwitch-TN family of ICs, which integrate a high-voltage power MOSFET, oscillator, and control circuitry into a single package. This IC is designed for low-power applications, such as auxiliary power supplies, standby power, and low-power adapters, where space, cost, and efficiency are critical.

Features

  • Integrated 700V MOSFET: Incorporates a high-voltage MOSFET, reducing the need for external components.
  • Simple Design: Requires a minimal number of external components, enabling compact and cost-effective power supply designs.
  • High Efficiency: Achieves high efficiency, typically over 70%, with very low standby power consumption.
  • Wide Input Voltage Range: Operates over a wide input voltage range from 85V to 265V AC, making it suitable for global applications.
  • Low Power Consumption: Designed for very low standby power, typically less than 50 mW at 230V AC.
  • Auto-Restart Protection: Provides protection against overload and short-circuit conditions with automatic restart.
  • Thermal Shutdown: Includes built-in thermal protection to prevent damage due to overheating.
  • Frequency Jittering: Reduces EMI by spreading the switching frequency, eliminating the need for a metal heat sink.
  • No Need for External Feedback: The IC regulates output voltage without the need for an optocoupler, reducing design complexity.
  • Package: Available in the compact 8-pin DIP (PN suffix) package.

Specifications

  • Input Voltage Range: 85V AC to 265V AC
  • Output Power: Up to 3W in universal input non-isolated buck or buck-boost configurations
  • Operating Frequency: 66 kHz (nominal)
  • On-State Resistance (Rds(on)): 19Ω (typical) at 25°C
  • Current Limit: 92 mA (minimum)
  • Standby Power Consumption: <50 mW at 230V AC
  • Efficiency: Typically greater than 70%
  • Thermal Shutdown: Yes
  • Overload/Short Circuit Protection: Yes, with auto-restart
  • Package: 8-pin DIP (LNK304PN)

Applications

  • Standby Power Supplies: Used in TVs, DVD players, and other consumer electronics to reduce standby power consumption.
  • Low-Power Adapters: Suitable for low-wattage wall adapters for mobile phones and other devices.
  • Auxiliary Power Supplies: Common in industrial equipment and appliances.
  • Household Appliances: Used in small appliances where compact and efficient power supplies are needed.
  • Battery Chargers: Ideal for low-power battery charging applications.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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