The VIPER12A from STMicroelectronics is a revolutionary integrated circuit designed for switched-mode power supplies (SMPS) that combines a dedicated current mode PWM controller with a high-voltage power MOSFET on a single silicon chip. This innovative product offers a compact, energy-efficient solution for power supply applications.

Key Features

• Integrated Design: The VIPER12A integrates a PWM controller and a 730V avalanche rugged power section, simplifying design and reducing component count.
• Energy Efficiency: With its quasi-resonant zero-voltage switching topology, the device ensures high efficiency and low electromagnetic interference, making it suitable for energy-saving applications.
• Low Power Consumption: The device features low standby power consumption (less than 0.5W at 265VAC) and meets Blue Angel, ENERGY STAR, and EU CoC requirements for low energy usage.
• Wide Supply Voltage Range: It operates from a wide range of input voltages (from 9V to 38V), allowing for flexibility in various applications.
• Protection Features: It includes multiple protection features such as overvoltage protection, overload protection, and thermal shutdown with hysteresis, ensuring safe operation under abnormal conditions.

Applications

The VIPER12A is particularly suited for low power applications that require a high level of integration, including:

• Adapters and chargers for smartphones, tablets, and other portable devices
• Standby and auxiliary power supplies for home appliances, audio/video, and personal electronics
• LED lighting drivers
• Industrial power supplies for instrumentation and control systems

Advantages

By utilizing the VIPER12A, designers can achieve a reduced bill of materials, simplified circuit design, and improved reliability of their power supply solutions. The device's high level of integration and efficiency also make it an environmentally friendly choice for manufacturers looking to create greener products.

For detailed information, including datasheets, technical documentation, and support, visit the STMicroelectronics website or contact their customer support services.