The VIPER222XSTR from STMicroelectronics is a high-performance, low-power offline switched-mode power supply (SMPS) primary switcher. It is a member of the VIPerPlus family and is designed to deliver a cost-effective and compact power management solution for a wide range of applications.

Key Features

• High Voltage Capability: The VIPER222XSTR can handle input voltages up to 730V, making it suitable for a variety of mains voltages and conditions.
• Energy Efficient: With its integrated high-voltage startup and sense FET, the device ensures a minimal power dissipation during operation, contributing to an overall high efficiency.
• Advanced Protection Features: The chip includes multiple protection features such as overload protection, overvoltage protection, thermal shutdown, and hysteresis, ensuring safe and reliable operation under various conditions.
• Pulse Frequency Modulation (PFM) Control: The PFM control helps to achieve low standby power consumption, which is essential for meeting energy-saving regulations.

Applications

The VIPER222XSTR is versatile and can be used in a range of applications, including:

• Switched Mode Power Supplies (SMPS)
• LED lighting drivers
• Adapters for chargers
• Standby and auxiliary power supplies

Product Specifications

The VIPER222XSTR is available in a compact 7-pin surface-mount package, making it ideal for space-constrained applications. It operates over a wide temperature range and is designed to meet the rigorous standards of the industrial and consumer electronic markets.

Conclusion

With its robust design, high integration, and energy-saving features, the VIPER222XSTR from STMicroelectronics is an excellent choice for designers looking to create efficient and reliable power supplies. It is not only a testament to STMicroelectronics' commitment to innovation but also to their dedication to environmental sustainability through energy-efficient solutions.