The VIPER12AD from STMicroelectronics is an integrated PWM controller and MOSFET specifically designed for low-power Switch Mode Power Supplies (SMPS) applications. It is a versatile and robust component that allows designers to create highly efficient power conversion solutions with minimal external components. The VIPER12AD is part of the VIPer™ Plus family, which is known for its energy-saving features and reliability.

Key Features

• Integrated PWM Controller and MOSFET: The VIPER12AD integrates a PWM controller and a 730V avalanche-rugged power MOSFET, allowing for simplified design and reduced component count.
• Energy Efficient: With its quasi-resonant zero-voltage switching (ZVS) topology, it ensures high efficiency and low electromagnetic emissions.
• Low Standby Power Consumption: The device is designed to meet the most stringent energy-saving standards, with very low consumption under no-load conditions.
• Frequency Jittering: Reduces EMI filter requirements due to frequency jittering that spreads the energy spectrum.
• Short-Circuit Protection: The VIPER12AD features an automatic restart to protect against overcurrent and short-circuit conditions.
• Thermal Shutdown: An integrated thermal shutdown ensures protection against overheating.

Applications

The VIPER12AD is suitable for a wide range of applications, particularly where power efficiency and compact design are priorities. Typical applications include:

• Adapters and battery chargers
• Standby and auxiliary supplies
• LED lighting drivers
• Consumer electronics
• Industrial power supplies

Benefits for Designers

Designers can benefit from the VIPER12AD's flexibility and ease of use. Its built-in features simplify the design process, reduce time to market, and enhance reliability. The VIPER12AD is also available in different package options, providing flexibility in terms of layout and thermal design. With its combination of features, the VIPER12AD stands out as a solid choice for power supply design in various low-power applications.