The VIPER100-E from STMicroelectronics is a robust, high-voltage converter that integrates a dedicated fixed-frequency PWM controller and a high-voltage MOSFET on the same silicon chip. This innovative product is designed to simplify the development of switched-mode power supplies (SMPS), offering a compact and efficient solution for a wide range of applications including consumer electronics, home appliances, and industrial systems.

Key Features

• Integrated Power MOSFET: The VIPER100-E contains an 800V avalanche-rugged power section, enabling the device to withstand high energy bursts and providing improved reliability.
• Quasi-Resonant Conversion: The device operates on a quasi-resonant zero-voltage switching (ZVS) topology, which minimizes switching losses and improves overall efficiency.
• Built-in Protection Features: It includes multiple protection features such as overvoltage protection, overload protection, thermal shutdown, and hysteretic overcurrent protection, ensuring safe operation under abnormal conditions.
• Pulse Frequency Modulation: To meet standby power requirements, the VIPER100-E uses pulse frequency modulation at light load, which helps in achieving low power consumption.

Applications

• Switched-mode power supplies (SMPS)
• Power adapters and chargers
• LED lighting drivers
• Standby and auxiliary power supplies

Technical Specifications

• Input Voltage: The device is capable of handling a wide range of input voltages, making it suitable for various global standards.
• Output Power: It can deliver up to 100W of power, depending on the application and cooling conditions.
• Package: The VIPER100-E is available in a compact, through-hole package which eases the PCB design process and simplifies assembly.

The VIPER100-E stands out for its ability to combine high integration and performance with ease of use, offering a cost-effective solution for power supply design. Its robustness and built-in features make it a reliable choice for designers looking to create efficient and compact power solutions.