STMicroelectronics VIPER28LE Power Converter

The VIPER28LE from STMicroelectronics is a high-performance, low-energy offline switched-mode power supply (SMPS) controller that is part of the VIPerPlus family. This innovative power converter integrates an 800 V avalanche-rugged power MOSFET with PWM current-mode control, making it a robust and efficient solution for a wide range of power supply applications.

Key Features

• High Voltage Capability: The VIPER28LE boasts an 800 V avalanche-rugged MOSFET that allows it to easily handle high input voltage variations, making it ideal for fluctuating power environments.
• Energy Efficient: With its built-in features like pulse skipping modulation, the VIPER28LE ensures high efficiency at low power, reducing energy consumption and enabling compliance with energy-saving regulations.
• Advanced Protection: The device includes multiple protection features such as overload protection, hysteretic thermal shutdown, and overvoltage protection, enhancing the reliability and safety of the applications it powers.
• Reduced System Cost: The integration of the power MOSFET and control circuitry in a single package reduces the number of external components required, leading to a reduction in system cost and complexity.
• Compact Design: Its small footprint and minimal component count make the VIPER28LE suitable for compact power supplies, without compromising performance.

Applications

The versatility of the VIPER28LE allows it to be used in a variety of applications, including:

• Switched-mode power supplies for home appliances
• Auxiliary power supplies for industrial systems
• Standby power supplies for TVs and monitors
• AC-DC adapters for chargers

The VIPER28LE is a testament to STMicroelectronics' commitment to providing power solutions that are both energy-efficient and capable of withstanding the rigors of modern electrical environments. It is a reliable choice for designers looking to create cost-effective, compact, and robust power supplies.