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LNK419EG IC – Power Integrations – LED Driver Off Line Switcher IC

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₹138.00 (excluding 18% GST)

25 In stock

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Description

The LNK419EG combines an advanced primary-side control scheme with a high-voltage power MOSFET to deliver a constant current to LEDs without requiring an optocoupler or secondary feedback circuitry. It supports both isolated and non-isolated designs, making it versatile for a wide range of LED lighting applications. The IC operates directly from the AC mains, simplifying the design of compact, cost-effective LED drivers.

Features

  • Integrated 725V Power MOSFET: Incorporates a high-voltage MOSFET, reducing the need for external components and enabling compact designs.
  • Primary-Side Control: Regulates the output current using primary-side control, eliminating the need for secondary feedback components such as optocouplers.
  • High Efficiency: Achieves high efficiency over a wide range of input voltages and output power levels, reducing power loss and heat generation.
  • Wide Input Voltage Range: Operates from 90V AC to 265V AC, making it suitable for global use.
  • Accurate Output Current Regulation: Provides precise constant current control for driving LEDs, ensuring consistent brightness and long LED life.
  • Flicker-Free Operation: Supports continuous conduction mode (CCM) and discontinuous conduction mode (DCM) to minimize flicker in LED lighting applications.
  • Overload and Short-Circuit Protection: Includes protection features such as auto-restart and thermal shutdown to protect both the IC and the LED load.
  • Frequency Jittering: Reduces electromagnetic interference (EMI) by spreading the switching frequency.
  • Package: Available in an 8-pin eSIP (EG) package for enhanced thermal performance.

Specifications

  • Input Voltage Range: 90V AC to 265V AC
  • Output Power: Up to 25W (depending on design and configuration)
  • Operating Frequency: 60 kHz (nominal)
  • On-State Resistance (Rds(on)): 2.8Ω (typical) at 25°C
  • Output Current Regulation: ±5% (typical)
  • Efficiency: Typically greater than 85%
  • Thermal Shutdown: Yes, with auto-restart
  • Overload/Short Circuit Protection: Yes, with auto-restart
  • Package: 8-pin eSIP (LNK419EG)

Applications

  • LED Lighting: Ideal for residential, commercial, and industrial LED lighting applications, including retrofit lamps, LED bulbs, downlights, and tube lights.
  • High-Brightness LED Drivers: Suitable for high-brightness LED applications requiring consistent current and high efficiency.
  • Street Lighting: Can be used in street lighting systems where robust, efficient, and reliable LED drivers are essential.
  • Architectural Lighting: Ideal for architectural lighting designs requiring precise current control and flicker-free operation.
  • Emergency Lighting: Suitable for emergency lighting systems that demand reliable LED drivers with protection features.

Note

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

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