STMicroelectronics

VIPER50A-E

VIPER50A-E Description

The VIPER50A-E is an obsolete yet highly advanced integrated circuit (IC) from STMicroelectronics, designed for offline converters in a flyback topology. This IC is part of the VIPER™ series, known for its robustness and efficiency in power management applications. The VIPER50A-E is capable of delivering up to 50 watts of power, making it suitable for a wide range of applications that require efficient power conversion.

VIPER50A-E Features

• Power and Voltage: The VIPER50A-E operates within a supply voltage range of 8V to 15V and features a breakdown voltage of 700V. It can start up at a voltage as low as 11V, ensuring reliable operation even under varying input conditions.
• Frequency and Control: This IC supports switching frequencies up to 200kHz, enabling efficient power conversion and minimizing the size of external components. It includes advanced control features such as frequency control, soft start, and synchronization, which enhance performance and reliability.
• Protection and Compliance: The VIPER50A-E offers comprehensive fault protection, including current limiting and over-temperature protection, ensuring safe operation under various conditions. It is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Mounting and Packaging: The VIPER50A-E is designed for through-hole mounting and comes in a tube package, making it suitable for applications requiring robust mechanical stability and ease of assembly.
• Output Isolation: The IC provides isolated output, which is crucial for applications where galvanic isolation is necessary to ensure safety and prevent electrical noise.

VIPER50A-E Applications

The VIPER50A-E is ideal for a variety of applications that demand efficient power conversion and robust performance. Some specific use cases include:

• Power Supplies: Ideal for offline power supplies in consumer electronics, where high efficiency and compact design are critical.
• Adapters and Chargers: Suitable for AC/DC adapters and chargers, offering reliable power conversion and protection features.
• Industrial Equipment: Can be used in industrial applications where isolated power supplies are required to ensure safety and reliability.
• Telecommunications: Effective in telecom equipment where efficient power management and high reliability are essential.

Conclusion of VIPER50A-E

The VIPER50A-E from STMicroelectronics stands out as a powerful and versatile IC for offline converters. Despite its obsolete status, it continues to offer significant advantages with its high power capability, robust protection features, and compliance with environmental standards. Its unique combination of high breakdown voltage, efficient switching frequency, and advanced control features make it an excellent choice for a wide range of applications. For those seeking reliable and efficient power management solutions, the VIPER50A-E remains a compelling option.