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UC3854 IC – High Power Factor Preregulator IC

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₹152.00 (excluding 18% GST)

25 In stock

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Description

The UC3854 is a high-performance controller IC that provides power factor correction (PFC) by regulating the input voltage and improving the power factor of the power supply. It is often used in power supply designs to ensure that the input current is in phase with the input voltage, thereby reducing harmonic distortion and improving overall system efficiency.

Features

  • Power Factor Correction (PFC): Provides active PFC to improve the power factor and reduce harmonic distortion in power supply systems.
  • High Efficiency: Designed to enhance the efficiency of the power supply by minimizing power losses and optimizing power conversion.
  • High-Voltage Operation: Operates over a high voltage range, making it suitable for use in high-voltage power supply applications.
  • Adjustable Output Voltage: Features adjustable output voltage control to match specific application requirements.
  • Overvoltage and Overcurrent Protection: Includes built-in protection features to safeguard the circuit and connected components from overvoltage and overcurrent conditions.
  • Current Sense Feedback: Uses current sense feedback to regulate and stabilize the output voltage and current.
  • Thermal Protection: Provides thermal shutdown protection to prevent overheating and ensure reliable operation under varying conditions.

Specifications

  • Supply Voltage Range: Typically operates from 15V to 30V, depending on the specific configuration and application requirements.
  • Output Voltage: Adjustable output voltage, typically from 12V to 400V, depending on the design and external components used.
  • Operating Temperature Range: Typically -40°C to +85°C, ensuring reliable operation in a variety of environments.
  • Power Factor Correction: Provides significant improvement in power factor, typically achieving power factor values of 0.9 or higher.
  • Package Options: Available in various packages, such as 16-pin DIP or SOIC, to accommodate different design needs.

Applications

  • Power Supplies: Used in high-efficiency power supplies requiring power factor correction to meet regulatory standards and improve performance.
  • Industrial Equipment: Applied in industrial power supply systems where high power factor and efficiency are critical.
  • LED Drivers: Implemented in LED drivers to ensure efficient power conversion and high power factor operation.
  • Battery Chargers: Used in battery charging systems to improve power factor and enhance efficiency.
  • Consumer Electronics: Applied in consumer electronics power supplies to meet power factor correction requirements and improve overall performance.

Note

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

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