STMicroelectronics VIPER222LSTR: High-Performance Converter for Power Supply Applications

The VIPER222LSTR from STMicroelectronics is a cutting-edge, high-voltage converter designed to deliver efficient power management solutions for a variety of applications. This device is part of the VIPerPlus family, which is renowned for its energy-saving features and robust performance in power supply systems.

The VIPER222LSTR is an integrated PWM controller equipped with an 800 V avalanche-rugged power section, a PWM block, and a protection circuit. This combination ensures reliable operation even under challenging conditions, making it suitable for applications that require a high level of durability and stability.

One of the key features of the VIPER222LSTR is its wide input voltage range, which allows it to operate with input voltages from 9 V to 38 V, making it versatile for use in various electrical environments. Additionally, its built-in high-voltage startup circuit ensures a quick and efficient power-up sequence, reducing the time it takes for devices to become operational.

The VIPER222LSTR also boasts a range of protective features, including overvoltage protection, overload protection, thermal shutdown, and hysteresis. These features not only safeguard the device itself but also protect the overall system from potential damage due to electrical anomalies.

With a maximum operating frequency of 60 kHz, the VIPER222LSTR offers a good balance between efficiency and component size, allowing designers to optimize their power supply designs for both performance and cost. Furthermore, its frequency jittering feature helps to reduce electromagnetic interference (EMI), which is crucial for maintaining the integrity of electronic communications and compliance with regulatory standards.

Available in a compact SO-16N package, the VIPER222LSTR is suitable for a wide range of applications, including switch-mode power supplies (SMPS), adapters, chargers, and LED drivers. Its efficient power conversion capabilities make it an excellent choice for designers looking to create energy-efficient, reliable, and compact power supply solutions.

In summary, the VIPER222LSTR from STMicroelectronics is a robust and versatile high-voltage converter that provides a comprehensive solution for efficient power management in a variety of electronic applications.