What is VIPER12AS Chip?

 The VIPER12AS is a versatile offline switcher IC from STMicroelectronics, part of the VIPER family, designed for AC-DC power supply applications. It provides a compact solution for converting mains voltage to a regulated low-voltage output, making it ideal for use in power adapters, chargers, and lighting applications.  

Key Features:

  1. Integrated High-Voltage MOSFET: The VIPER12AS includes a high-voltage power MOSFET integrated within the chip, which simplifies the design by reducing the number of external components required.

  2. Wide Input Voltage Range: It operates across a broad input voltage range of 85V to 265V AC, making it suitable for global applications without the need for additional voltage conditioning.

  3. High Efficiency: The IC is optimized for high efficiency, often exceeding 85%, which is essential for meeting energy-saving regulations and minimizing heat generation.

  4. Built-in Protection Features: The VIPER12AS includes multiple protection mechanisms, such as over-voltage protection (OVP), over-temperature protection (OTP), and short-circuit protection, ensuring reliable operation under fault conditions.

  5. Low Standby Power Consumption: It is designed to consume low power during standby conditions, helping to comply with energy efficiency standards.

Applications:

  • Power Adapters: Commonly used in compact wall adapters for charging electronic devices.
  • LED Drivers: Suitable for driving LED lighting applications with regulated output.
  • Consumer Electronics: Ideal for powering various electronic devices in homes and offices.
  • Battery Chargers: Used in designs for charging batteries in portable applications.

Technical Specifications:

  • Input Voltage: 85V to 265V AC
  • Output Power: Typically up to 12W, depending on the application and design.
  • Switching Frequency: Approximately 65 kHz.
  • Operating Temperature Range: -40°C to +150°C.

The VIPER12AS is well-regarded for its efficiency, compactness, and built-in safety features, making it a preferred choice for engineers designing low-power AC-DC converters. Its integration of key functionalities helps streamline design and enhance overall system performance.  

Search List Page： VIPER12AS Parts Search Page | Datasheet PDF | Price | Quantity-MobikeChip   

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MobikeChip offers a broad range of genuine electronic components from over 2,600 manufacturers at competitive prices. Our product portfolio includes Integrated Circuits (ICs), Discrete Semiconductor Products, Resistors, Capacitors, Relays, Switches, Transformers, Sensors, Transducers, Inductors, Coils, Chokes, Potentiometers, Variable Resistors, Crystals, Oscillators, Resonators, Connectors, Interconnects, Memory Cards, Modules, Fans, Thermal Management products, and more.     

 

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