VIPER31SP - High Voltage Converter from STMicroelectronics

The VIPER31SP from STMicroelectronics is a robust high-voltage converter that is part of the VIPerPlus family, designed to deliver exceptional performance and reliability for a wide range of power supply applications. This integrated circuit combines a dedicated current mode PWM controller with a high-voltage power MOSFET on the same silicon chip, providing a compact solution for switched-mode power supplies (SMPS).

Key Features

• Integrated 800 V avalanche-rugged power MOSFET: The built-in power MOSFET allows the VIPER31SP to handle high voltage levels, making it suitable for applications that require direct connection to the rectified mains voltage.
• Multiple protection features: This device includes thermal shutdown, overcurrent and overload protection, ensuring safe operation under a variety of fault conditions. These built-in protections enhance the longevity and reliability of the power supply.
• Low power Standby mode: With its ability to enter a low power standby mode, the VIPER31SP can achieve low energy consumption, which is particularly beneficial for applications that must comply with energy-saving regulations.
• High-frequency operation up to 30 kHz: The device can operate at high frequencies, which allows for smaller-sized passive components, resulting in a more compact and cost-effective power supply design.
• Adjustable overcurrent protection (OCP): Users can set the overcurrent threshold according to their specific application needs, providing added flexibility and control over the power supply's performance.

Applications

The VIPER31SP is suitable for a diverse range of applications, including but not limited to:

• Switched-mode power supplies (SMPS) for consumer electronics
• Adapters and chargers for mobile devices
• Auxiliary power supplies for home appliances
• Industrial power supplies
• LED lighting applications

With its high integration level and user-friendly features, the VIPER31SP is an excellent choice for designers looking for a high-performance, energy-efficient, and space-saving power supply solution. Its robustness and versatility make it an ideal component for a wide array of electronic products, ensuring they operate reliably and efficiently.