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LNK420EG IC – Power Integrations – LED Driver Off Line Switcher IC

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₹139.00 (excluding 18% GST)

25 In stock

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Description

The LNK420EG is an integrated off-line switcher IC from Power Integrations, designed specifically for low-power LED driver applications. It combines a high-voltage power MOSFET and control circuitry into a single, compact package. This IC enables the design of highly efficient, non-isolated LED drivers that operate directly from the AC mains without the need for an auxiliary power supply. The LNK420EG is well-suited for applications like LED bulbs, LED fixtures, and other solid-state lighting solutions.

Features

  • Integrated Controller and MOSFET: Combines a 700V power MOSFET with a controller that includes an oscillator, simple ON/OFF control, frequency jittering, and a switched current source.
  • Efficient Operation: Designed to deliver high efficiency, reducing power losses and heat generation, which is critical for LED lighting applications.
  • Current Limiting: Provides cycle-by-cycle current limiting, which offers protection against short circuits and overload conditions.
  • Thermal Shutdown: Includes built-in thermal shutdown circuitry to protect the IC from overheating.
  • Frequency Jittering: Reduces EMI by jittering the switching frequency.
  • Simple Design: Allows for a compact and cost-effective design without the need for an auxiliary power supply or additional components.
  • Compact Package: Available in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for space-constrained designs.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Power: Suitable for driving up to 360mA of LED current, depending on the application and input voltage.
  • Switching Frequency: 66 kHz nominal with frequency jittering
  • MOSFET Breakdown Voltage: 700V
  • Output Regulation: Line and load regulation better than 5%
  • Current Limiting: Integrated with cycle-by-cycle current limiting for protection
  • Operating Temperature Range: -40°C to +150°C (junction temperature)
  • Efficiency: Typically greater than 80%, depending on the application design
  • Package: 8-pin SOIC

Applications

  • LED bulbs and tubes
  • Low-power LED fixtures
  • Non-isolated LED drivers
  • Small power supplies for other applications requiring high efficiency and simplicity

Note

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

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