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TNY278PN IC – Power Integrations Off Line Switcher IC

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25 In stock
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₹59.00 (excluding 18% GST)

25 In stock

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Description

The TNY278PN is a part of Power Integrations’ TinySwitch-III series, designed for low-power switch-mode power supplies (SMPS). This IC integrates a 700V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry into a single package. The TNY278PN is tailored for applications requiring a compact, efficient, and cost-effective power supply solution.

Features

  • Integrated High-Voltage MOSFET: Incorporates a 700V power MOSFET with control circuitry, minimizing external components and enabling more compact power supply designs.
  • TinySwitch-III Technology: Provides advanced features like auto-restart, frequency jittering, and enhanced efficiency, making it ideal for modern energy-efficient power supplies.
  • Low Standby Power: Optimized for low standby power consumption, suitable for designs that need to meet stringent energy efficiency standards.
  • High Efficiency: Delivers high efficiency across a wide range of load conditions, reducing power loss and heat generation.
  • Auto-Restart Protection: Includes auto-restart functionality to protect against output short circuits and open loops, enhancing the safety and reliability of the power supply.
  • Frequency Jittering: Helps reduce electromagnetic interference (EMI) by varying the switching frequency, simplifying EMI filter design and aiding compliance with regulatory standards.
  • Thermal Shutdown: Built-in thermal shutdown protects the IC from overheating, ensuring reliable operation under various conditions.

Specifications

  • Input Voltage Range: 85V to 265V AC
  • Output Power:
    • Up to 30W in open frame designs
    • Up to 20W in enclosed adapters
  • Switching Frequency: 132 kHz with frequency jittering
  • MOSFET Breakdown Voltage: 700V
  • Current Limiting: Integrated cycle-by-cycle current limiting for reliable protection
  • Standby Power Consumption: <50mW at 265V AC input
  • Efficiency: Typically greater than 80%
  • Operating Temperature Range: -40°C to +150°C (junction temperature)
  • Package: 8-pin PDIP (Plastic Dual In-line Package)

Applications

  • AC-DC adapters for consumer electronics, mobile devices, and small appliances
  • Standby power supplies for TVs, monitors, and other home electronics
  • Battery chargers for portable devices and small electronics
  • Low-power industrial power supplies
  • Auxiliary power supplies for larger systems

Note

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

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