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LNK305PN IC – Power Integrations – AC-DC Off Line Switcher IC

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₹164.00 (excluding 18% GST)

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Description

The LNK305PN integrates a 700V power MOSFET, oscillator, and control logic into a single package, simplifying the design of low-power power supplies. It is optimized for use in non-isolated buck, buck-boost, and flyback converter topologies. The IC is particularly suitable for auxiliary power supplies, low-power adapters, and industrial control applications.

Features

  • Integrated 700V Power MOSFET: Reduces the need for external high-voltage components, enabling a compact design.
  • Simplified Design: Requires minimal external components, reducing both the bill of materials (BOM) and design complexity.
  • High Efficiency: Achieves high energy efficiency, typically above 70%, with very low standby power consumption.
  • Wide Input Voltage Range: Operates from 85V AC to 265V AC, accommodating global input voltages.
  • Low Standby Power: Designed to consume less than 50 mW at 230V AC, making it ideal for energy-efficient designs.
  • Overload and Short-Circuit Protection: Includes auto-restart protection for overload and short-circuit conditions.
  • Thermal Shutdown: Protects the IC from overheating by shutting it down at high temperatures.
  • Frequency Jittering: Spreads the switching frequency to reduce electromagnetic interference (EMI).
  • No External Feedback Required: The IC internally regulates the output voltage, simplifying the design and eliminating the need for an optocoupler.
  • Package: Available in the 8-pin DIP (PN suffix) package.

Specifications

  • Input Voltage Range: 85V AC to 265V AC
  • Output Power: Up to 3.7W in universal input non-isolated buck or buck-boost configurations
  • Operating Frequency: 66 kHz (nominal)
  • On-State Resistance (Rds(on)): 12Ω (typical) at 25°C
  • Current Limit: 115 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 (LNK305PN)

Applications

  • Auxiliary Power Supplies: Widely used in industrial equipment, home appliances, and other electronic systems requiring a reliable auxiliary power source.
  • Low-Power Adapters: Suitable for designing compact and energy-efficient power adapters.
  • Household Appliances: Ideal for use in small household appliances requiring compact power solutions.
  • Standby Power: Perfect for providing standby power in consumer electronics, helping to reduce overall power consumption.
  • Industrial Control: Used in various industrial control applications where precise, low-power AC-DC conversion is required.

Note

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

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