Overview of VIPER16LD from STMicroelectronics

The VIPER16LD is a high-performance, low-power offline switched-mode power supply (SMPS) primary switcher IC from STMicroelectronics, designed to deliver a compact and robust power solution for a wide range of applications. This integrated circuit combines a dedicated current mode PWM controller with a high-voltage power MOSFET on the same silicon chip, offering an efficient and space-saving solution.

Key Features

• Integrated 800 V avalanche-rugged power MOSFET: The VIPER16LD is capable of withstanding high voltage stress, making it suitable for fluctuating mains supplies and providing a reliable operation.
• Adjustable switching frequency up to 200 kHz: This allows flexibility in the design to optimize transformer size and improve efficiency.
• Current mode control: Offers excellent input voltage feedforward compensation and inherent pulse-by-pulse current limiting.
• Multiple protection features: Includes overvoltage, overload, overtemperature, and short-circuit protections, ensuring safe operation under abnormal conditions.
• Low standby power consumption: The VIPER16LD is designed to meet energy-saving regulations with its low-power characteristics in standby mode.

Applications

The VIPER16LD is ideal for a variety of applications where efficient power conversion is required. It is commonly used in:

• Switched-mode power supplies (SMPS)
• Power adapters and chargers
• LED lighting drivers
• Standby power supplies for TVs or monitors
• Auxiliary power supplies for home appliances

Advantages

By integrating the controller and MOSFET into a single package, the VIPER16LD minimizes component count, reduces board space requirements, and simplifies the power supply design process. Its robustness and comprehensive protection features make it an excellent choice for designers looking to create reliable and efficient power solutions for their electronic devices.

With its ability to deliver high performance while maintaining energy efficiency, the VIPER16LD from STMicroelectronics stands as a compelling choice for power supply design in both industrial and consumer electronics markets.