STMicroelectronics VIPER28L Power Converter

The VIPER28L from STMicroelectronics is a high-performance, low-power offline switched-mode power supply (SMPS) primary switcher that is designed for a wide range of applications. It incorporates an 800 V avalanche-rugged power section, a PWM controller, user-defined overcurrent limit, open-loop failure protection, and thermal shutdown for comprehensive system reliability.

Key Features

• Extended Voltage Range: The VIPER28L is capable of handling extended input voltage ranges, making it suitable for fluctuating power environments.
• Energy Efficient: With its integrated features, the VIPER28L ensures efficient power conversion which is critical for reducing energy consumption in both standby and active modes.
• Advanced Protection: The device includes overcurrent protection, overvoltage protection, and a thermal shutdown feature to prevent damage from a wide array of electrical faults.
• High Integration: The built-in error amplifier, oscillator, and high-voltage startup circuitry reduce the need for external components, simplifying design and reducing overall system cost.
• Low Standby Power: It is designed to achieve extremely low standby power consumption, which makes it ideal for applications that require compliance with energy-saving standards.

Applications

The VIPER28L is versatile and can be used in a variety of applications, including:

• Switched-mode power supplies (SMPS)
• Power adapters
• Standby power supplies for TVs and monitors
• Auxiliary power supplies for home appliances and industrial systems

Design Support

STMicroelectronics provides comprehensive design support for the VIPER28L, including application notes, reference designs, and simulation tools to assist engineers in creating efficient and robust power solutions. This support helps accelerate the design process and enables a quicker time-to-market for products utilizing the VIPER28L.

With its robust design, efficiency, and versatility, the VIPER28L is a smart choice for designers looking to create reliable and energy-efficient power supplies for a variety of electronic devices.