STMicroelectronics VIPER22AS-E: Energy-Efficient Switching Converter

The VIPER22AS-E from STMicroelectronics is a remarkable integrated circuit designed to deliver high performance in a compact package. It's a fixed frequency PWM converter that integrates a dedicated current mode control and a high voltage power MOSFET, making it an excellent choice for power supply applications requiring an efficient and reliable solution.

This versatile device is specifically engineered to simplify the design of low-power Switch Mode Power Supplies (SMPS), offering a cost-effective option for applications such as auxiliary power supplies, standby power supplies for TVs and monitors, and battery chargers. With its built-in features, the VIPER22AS-E reduces the number of external components necessary, which in turn minimizes the overall design footprint and cost.

Main Features of VIPER22AS-E

• Integrated Power MOSFET: The VIPER22AS-E includes an 800V avalanche-rugged power MOSFET, allowing it to handle high surge voltages and enhancing the reliability of the end application.
• Current Mode PWM Controller: The device operates with a fixed 60 kHz switching frequency, which helps to achieve a predictable performance across different loads and input voltages.
• Low Power Standby Mode: It features a very low consumption under no-load condition, making it suitable for energy-saving requirements.
• Thermal Shutdown: An integrated thermal shutdown protects the device from overheating, ensuring safe operation and a longer lifespan.
• Overvoltage Protection: The VIPER22AS-E is equipped with overvoltage protection to guard against unexpected input voltage spikes.
• Short-Circuit Protection: The built-in short-circuit protection feature prevents damage to the device and the power supply in the event of a fault condition.

With its robust design and comprehensive protection features, the VIPER22AS-E stands out as a reliable choice for designers looking to create efficient and compact power solutions. Its ease of use and high integration level make it a go-to component for a wide range of low-power applications.

Whether you're developing a new power supply or optimizing an existing design, the VIPER22AS-E by STMicroelectronics offers a blend of performance, efficiency, and reliability that can help elevate your product's capabilities.