The VIPER28HE from STMicroelectronics is a cutting-edge, high-voltage converter that integrates a powerful PWM controller with a 730V avalanche-rugged power MOSFET. Designed for flexibility and efficiency, this product is a perfect solution for a wide range of power supply applications, particularly those requiring a robust and reliable switch-mode power supply.

Key Features

• High Voltage Capability: With a 730V avalanche-rugged MOSFET, the VIPER28HE can safely handle high voltage levels, ensuring stable operation under varying input conditions.
• Energy Efficiency: The device includes features like Pulse Frequency Modulation (PFM) under light load conditions, which significantly reduces power consumption and enhances efficiency.
• Advanced Protection: It comes with multiple protection features such as overload protection, overvoltage protection, and thermal shutdown, which contribute to the safety and longevity of the end application.
• Low Standby Power: The VIPER28HE is designed to achieve very low standby power consumption, making it ideal for applications that require compliance with energy-saving regulations.
• Minimal External Components: This high-voltage converter operates with minimal external components, simplifying design and reducing overall system cost.

Applications

The VIPER28HE is versatile and can be used in a variety of applications, including:

• Switch-mode power supplies (SMPS) for consumer electronics
• Adapters and chargers for mobile devices
• Auxiliary power supplies for home appliances
• Standby and auxiliary power supplies for industrial systems

Technical Specifications

• Input Voltage: Up to 730V
• Operating Frequency: Adjustable up to 300kHz
• Current Limitation: Programmable
• Temperature Range: -40°C to 150°C

For engineers and designers seeking a reliable, high-performance power solution, the VIPER28HE from STMicroelectronics offers an excellent blend of efficiency, durability, and ease of use. Its robust design and advanced features ensure that it meets the stringent requirements of modern power supply designs.