Product Overview: VIPER17HN from STMicroelectronics

The VIPER17HN is a high-performance offline converter from STMicroelectronics, designed to deliver a reliable and efficient power solution for a wide range of applications. This innovative product combines a dedicated current mode PWM controller with a high-voltage power MOSFET on the same silicon chip, providing an integrated solution that simplifies design and enhances overall system robustness.

Key Features

• High-Voltage Capability: The VIPER17HN operates with a supply voltage up to 800V, making it suitable for handling fluctuations and surges in the AC mains supply, ensuring reliable operation even under harsh conditions.
• Energy Efficient: With its built-in PWM controller and MOSFET, the VIPER17HN offers excellent power efficiency, which is critical for energy-saving applications and compliance with energy regulations.
• Advanced Protection Features: The device includes multiple protection features such as overvoltage protection, overload protection, thermal shutdown, and hysteresis. These features help to prevent damage to the device and the system it powers, increasing reliability and safety.
• Minimal External Components: The integrated design requires fewer external components, which reduces the complexity of the power supply design and can lead to cost savings on the bill of materials (BOM).
• Frequency Jittering: The VIPER17HN incorporates frequency jittering to reduce electromagnetic interference (EMI), which simplifies the design of EMI filters and helps in meeting regulatory standards.

Applications

The VIPER17HN is versatile and can be used in a variety of applications, including:

• Switch mode power supplies (SMPS) for consumer electronics
• LED lighting drivers
• Adapters for chargers
• Standby and auxiliary power supplies

Conclusion

The VIPER17HN from STMicroelectronics is a robust and efficient solution for designers looking to create compact, energy-efficient power supplies with high reliability and low component count. Its high-voltage capability, integrated design, and advanced protection features make it an excellent choice for a wide range of power applications.