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TOP248YN IC – Power Integrations – Off Line Switcher IC

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25 In stock


Note: Any order placed will take 15 days for dispatch.

97.00 (excluding 18% GST)

25 In stock

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Description

The TOP248YN is tailored for use in power supplies where high efficiency and robust performance are critical. It is suitable for a wide range of AC-DC power supply applications, offering ease of design and integration with built-in features to enhance reliability.

Features

  • Integrated High-Voltage Power MOSFET: Combines a high-voltage MOSFET with control circuitry in one package, simplifying design and reducing component count.
  • Multi-Mode Operation: Supports continuous, discontinuous, and forced discontinuous conduction modes, providing flexibility for various load conditions.
  • High Efficiency: Designed for high efficiency with low standby power consumption, ideal for energy-conscious designs.
  • Adjustable Current Limit: Allows external adjustment of the current limit to meet specific application needs.
  • Frequency Jittering: Reduces EMI by spreading the switching frequency, helping to meet electromagnetic interference regulations.
  • Auto-Restart Protection: The IC automatically restarts after a fault condition, such as an output short circuit or overload, enhancing reliability and protecting the power supply.
  • Cycle-by-Cycle Current Limiting: Provides protection by limiting the peak current on a cycle-by-cycle basis, ensuring safe operation of the MOSFET.
  • Thermal Shutdown: Protects the IC from overheating by shutting it down if the junction temperature exceeds a safe limit.
  • Under-Voltage Lockout (UVLO): Ensures the IC only operates when the input voltage is within a safe range, preventing erratic behavior and ensuring stable operation.
  • Soft-Start: Gradually increases the duty cycle during startup to reduce inrush current and minimize stress on components.

Specifications

  • Input Voltage Range: 85V to 265V AC (universal input).
  • Output Power: Typically up to 450W (depending on design, cooling, and application).
  • Switching Frequency: 132 kHz with frequency jittering to minimize EMI.
  • Drain Current: Up to 12A.
  • Output Voltage Regulation: 5% typical.
  • Standby Power: Less than 1W, suitable for energy-efficient designs.
  • Package: TO-220, providing effective thermal management with the option to attach a heatsink.

Applications

  • AC-DC Adapters: Suitable for powering a wide range of consumer electronics and portable devices.
  • Standby Power Supplies: Ideal for appliances, computers, and televisions requiring efficient standby power consumption.
  • Industrial Power Supplies: Reliable power for industrial control systems and equipment.
  • LED Drivers: Provides efficient power conversion for LED lighting systems.
  • Battery Chargers: High-efficiency charging solutions for various battery-operated devices.

Note

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

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