STMicroelectronics

VIPER50-22-E

VIPER50-22-E Description

The VIPER50-22-E is an obsolete but highly regarded AC-DC converter and offline switch from STMicroelectronics, part of the VIPER™ series. This device is designed for surface mount applications and offers a robust solution for power conversion needs up to 50 watts. It features a flyback topology, making it suitable for isolated output designs. The VIPER50-22-E operates with a supply voltage range of 8V to 15V and can start up at a minimum voltage of 11V. It supports switching frequencies up to 200kHz, providing flexibility in design and efficiency optimization.

VIPER50-22-E Features

• Power Capability: The VIPER50-22-E is capable of handling up to 50 watts of power, making it suitable for a wide range of applications requiring moderate power levels.
• Frequency Control: With switching frequencies up to 200kHz, this device allows for high-frequency operation, which can lead to smaller and more efficient designs.
• Soft Start and Synchronization: These features ensure smooth startup and synchronization with other system components, reducing inrush currents and improving overall system reliability.
• Fault Protections: The device includes current limiting and over-temperature protection, safeguarding against potential damage from overloads and thermal issues.
• Isolated Output: The output isolation feature ensures safety and reliability in applications where electrical separation between input and output is required.
• Compliance and Reliability: The VIPER50-22-E is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage time without the need for baking.
• Packaging: The device is available in a tube package, which is suitable for automated assembly processes.

VIPER50-22-E Applications

The VIPER50-22-E is ideal for a variety of applications, including:

• Power Supplies: Suitable for designing efficient and compact power supplies for consumer electronics, industrial equipment, and telecommunications.
• Adapters and Chargers: Ideal for creating reliable and safe power adapters and chargers for various devices.
• LED Lighting: Can be used in LED driver circuits to provide efficient and isolated power conversion.
• Medical Equipment: The isolated output and compliance with regulatory standards make it suitable for power conversion in medical devices.

Conclusion of VIPER50-22-E

The VIPER50-22-E, despite being obsolete, remains a reliable and efficient choice for applications requiring up to 50 watts of power. Its features, such as high-frequency operation, soft start, synchronization, and comprehensive fault protection, make it a robust solution for various power conversion needs. The device's compliance with environmental and regulatory standards ensures its suitability for a wide range of industries. While newer models may offer updated features, the VIPER50-22-E continues to provide excellent performance and reliability in its applications.