The VIPER50SP is a cutting-edge, high-voltage converter integrated circuit (IC) from STMicroelectronics, designed to deliver efficient power conversion with robust features for a wide range of applications. This versatile switch mode power supply (SMPS) controller is part of the VIPerPlus family and is known for its reliability and performance in converting high voltage into a usable power supply.

Key Features

• Integrated Power MOSFET: The VIPER50SP comes with an 800V avalanche-rugged power section, which ensures reliable operation under a wide range of input voltage variations.
• Quasi-Resonant Operation: The IC operates in quasi-resonant mode, which significantly reduces electromagnetic emissions and improves efficiency.
• Adjustable Switching Frequency: Users can adjust the switching frequency up to 200 kHz, allowing for flexibility in the design to optimize efficiency and component size.
• Multiple Protection Features: The device includes overvoltage protection, overload protection, thermal shutdown, and hysteresis, ensuring safe operation and longevity of the IC and the end application.
• Low Standby Power: With a consumption of less than 50 mW at 265 VAC, the VIPER50SP is designed for applications requiring low standby power.

Applications

The VIPER50SP is suitable for a variety of applications where power efficiency and space constraints are critical. These applications include:

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

Conclusion

The VIPER50SP from STMicroelectronics is a robust and versatile high-voltage converter that offers a range of features designed to enhance the performance and reliability of power supply designs. Its integration of a power MOSFET, quasi-resonant operation, and comprehensive protection features make it a top choice for designers looking for an efficient and durable solution in their applications.