The VIPER32A from STMicroelectronics is an advanced PWM controller with an integrated 730V avalanche-rugged power MOSFET. It is designed to deliver a cost-effective solution for offline power supplies by minimizing the number of external components required. The VIPER32A is part of ST's VIPerPlus series, known for their energy-efficient performance and reliability in power conversion applications.

Key Features

• Integrated Power MOSFET: With a high voltage of 730V, the built-in MOSFET ensures robust performance and is capable of withstanding energy spikes and surges.
• Extended Power Range: The VIPER32A is suitable for a wide range of power applications, supporting both lower and higher power requirements efficiently.
• Energy Efficient: The device features low standby power consumption, making it ideal for energy-saving power supply designs.
• Multiple Protections: It includes various protection features such as overload protection, overvoltage protection, thermal shutdown, and hysteresis, ensuring safe and reliable operation.

Applications

The VIPER32A is versatile and can be used in a variety of applications, including:

• Switched-mode power supplies (SMPS)
• Adapters for chargers
• Auxiliary power supplies for home appliances
• LED lighting drivers

Design Advantages

The VIPER32A is designed to simplify the development of power supply circuits. Its integrated features reduce the need for additional circuitry, which can save space on the PCB and reduce overall system costs. The device's flexibility in handling different power levels allows designers to use it in a wide range of products, from small consumer devices to larger household appliances.

Technical Specifications

With a wide input voltage range and adjustable output voltage, the VIPER32A is a highly flexible solution for power supply design. The controller operates at a fixed 60 kHz frequency, providing a stable switching pattern that is easy to filter and manage in terms of EMI.

Conclusion

The VIPER32A from STMicroelectronics represents a combination of performance, efficiency, and reliability, making it a top choice for designers looking to create compact and energy-efficient power supplies without compromising on power capabilities or safety features.