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TOP245YN IC – Power Integrations – Off Line Switcher IC

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25 In stock


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

230.00 (excluding 18% GST)

25 In stock

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Description

The TOP245YN integrates a high-voltage power MOSFET with PWM control, fault protection, and other circuitry into a single package. This integration helps reduce component count and board space while providing a robust solution for power supply applications.

Features

  • Integrated High-Voltage Power MOSFET: Combines a high-voltage MOSFET with control circuitry, eliminating the need for external high-voltage components.
  • Multi-Mode Operation: Supports continuous, discontinuous, and forced discontinuous conduction modes to optimize performance for varying load conditions.
  • High Efficiency: Designed for high efficiency with low standby power consumption, contributing to energy-efficient power supply designs.
  • Adjustable Current Limit: Allows external adjustment of the current limit, providing flexibility to tailor the power supply to specific needs.
  • Frequency Jittering: Reduces EMI by spreading the switching frequency spectrum, helping to meet EMI compliance requirements.
  • Auto-Restart Protection: The IC restarts automatically after a fault condition, such as an output short circuit or overload, which protects both the IC and the power supply.
  • Cycle-by-Cycle Current Limiting: Limits the peak switch current during each cycle to protect the MOSFET and enhance reliability.
  • Thermal Shutdown: Protects the IC from overheating by shutting it down if the junction temperature exceeds a safe limit.
  • Under-Voltage Lockout (UVLO): Prevents operation when the input voltage is too low, ensuring stable and reliable performance.
  • Soft-Start: Gradually increases the duty cycle at startup to minimize stress on the power supply components and enhance reliability.
  • Enhanced Design Flexibility: Supports external control of critical parameters, including current limit and frequency, for greater design adaptability.

Specifications

  • Input Voltage Range: 85V to 265V AC (universal input).
  • Output Power: Typically up to 300W (depending on design, cooling, and application).
  • Switching Frequency: 132 kHz with frequency jittering to minimize EMI.
  • Drain Current: Up to 8.0A.
  • Output Voltage Regulation: 5% typical.
  • Standby Power: Less than 1W, suitable for energy-efficient designs.
  • Package: TO-220, which provides effective heat dissipation and allows for attachment of a heatsink.

Applications

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

Note

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

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