STMicroelectronics

VIPER50-E

VIPER50-E Description

The VIPER50-E is an obsolete but highly regarded integrated circuit (IC) from STMicroelectronics, designed for power management applications. This IC is part of the VIPER™ series, known for its robust performance and reliability. The VIPER50-E is specifically tailored for offline converters with a flyback topology, making it ideal for applications requiring isolated output and high efficiency. It features an internal switch capable of operating at frequencies up to 200kHz, ensuring efficient power conversion. With a startup voltage of 11V and a supply voltage range of 8V to 15V, the VIPER50-E is designed to handle a variety of power supply scenarios. It also boasts a breakdown voltage of 620V, which enhances its durability and performance in high-voltage environments.

VIPER50-E Features

The VIPER50-E offers a comprehensive suite of control features, including frequency control, soft start, and synchronization, which contribute to its high performance and reliability. It also includes robust fault protection mechanisms such as current limiting and over-temperature protection, ensuring safe operation under various conditions. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. Its moisture sensitivity level (MSL) is rated at 1 (unlimited), making it suitable for a wide range of manufacturing processes. The VIPER50-E is packaged in a tube format, which is ideal for surface mount applications, providing flexibility and ease of integration into modern electronic designs.

VIPER50-E Applications

The VIPER50-E is well-suited for a variety of applications, particularly those requiring efficient power conversion and isolated output. Its 50W power rating and flyback topology make it ideal for use in power supplies, adapters, and chargers for consumer electronics, telecommunications equipment, and industrial devices. The device's ability to operate at high frequencies and its internal switch functionality simplify design and reduce the need for external components, making it a cost-effective solution for power management needs. The VIPER50-E's high breakdown voltage and robust fault protection features also make it suitable for applications where reliability and safety are paramount.

Conclusion of VIPER50-E

In summary, the VIPER50-E is a versatile and reliable power management IC that offers a range of features and benefits for applications requiring efficient power conversion and isolated output. Despite being obsolete, its technical specifications and performance capabilities continue to make it a valuable option for designers and engineers. The VIPER50-E's robust fault protection, high-frequency operation, and compatibility with modern manufacturing processes ensure that it remains a relevant choice for power management solutions.