STMicroelectronics

VIPER50A

VIPER50A Description

The VIPER50A, manufactured by STMicroelectronics, is an obsolete AC-DC converter and offline switch with a flyback topology. It is part of the VIPER™ series, offering 50 watts of power and is designed for surface mount applications. The device operates within a supply voltage range of 8V to 15V and has a switching frequency of up to 200kHz. The VIPER50A is compliant with RoHS3 and REACH unaffected, ensuring environmental and regulatory compliance.

VIPER50A Features

• Internal Switches: The VIPER50A features internal switches, reducing the need for external components.
• Output Isolation: It provides isolated output, ensuring safety and reliability in various applications.
• Control Features: The device offers frequency control, soft start, and sync capabilities, enhancing performance and flexibility.
• Fault Protection: It includes current limiting and over-temperature protection, safeguarding the device from potential damage.
• Voltage Breakdown: The VIPER50A has a high breakdown voltage of 700V, ensuring robust operation in demanding conditions.
• Moisture Sensitivity Level (MSL): With an MSL of 1, the device can withstand unlimited exposure to moisture, making it suitable for various environments.

VIPER50A Applications

The VIPER50A is ideal for applications requiring a compact, efficient, and reliable power conversion solution. Some specific use cases include:

1. Telecommunications Equipment: The device's high breakdown voltage and fault protection make it suitable for powering telecommunications equipment in challenging environments.
2. Industrial Control Systems: Its isolated output and soft start capabilities make it an excellent choice for industrial control systems, ensuring stable and safe operation.
3. Medical Devices: The VIPER50A's reliability and compliance with RoHS3 and REACH unaffected standards make it suitable for powering medical devices with strict regulatory requirements.

Conclusion of VIPER50A

While the VIPER50A is an obsolete product, it remains a robust and reliable choice for applications requiring a 50-watt AC-DC converter with flyback topology. Its unique features, such as internal switches, output isolation, and fault protection, offer advantages over similar models. Although it may not be the latest technology, the VIPER50A's performance benefits and applications make it a suitable choice for specific use cases where its capabilities are required.