STMicroelectronics

VIPER100A  

AC DC Converters, Offline Switches

VIPER100A Description

The VIPER100A is an obsolete but highly regarded offline converter IC designed by STMicroelectronics, a leading manufacturer in the electronics industry. This device is part of the VIPER™ series and is specifically tailored for applications requiring a robust and efficient AC-DC conversion solution. The VIPER100A features a flyback topology, making it ideal for isolated output designs. It operates within a supply voltage range of 8V to 15V and can handle a maximum power output of 100 watts. The IC is equipped with an internal switch capable of switching frequencies up to 200kHz, ensuring high efficiency and minimal power loss.

VIPER100A Features

The VIPER100A boasts several advanced features that enhance its performance and reliability. Key features include:

• Internal Switch: The presence of an internal switch simplifies the design process and reduces the number of external components required.
• Frequency Control: The ability to control the switching frequency up to 200kHz allows for optimization of efficiency and performance in various applications.
• Soft Start: This feature ensures a smooth startup process, preventing inrush currents that could damage sensitive components.
• Fault Protection: The VIPER100A includes current limiting and over-temperature protection, safeguarding the device and connected circuits from potential damage.
• High Breakdown Voltage: With a breakdown voltage of 700V, the VIPER100A can handle high-voltage applications with ease.
• Isolated Output: The isolated output design ensures safety and reliability in applications where electrical isolation is critical.
• Control Features: The inclusion of enable (EN) and frequency control features provides additional flexibility and control over the device's operation.

VIPER100A Applications

The VIPER100A is well-suited for a variety of applications due to its robust design and versatile features. Some ideal use cases include:

• Power Supplies: The VIPER100A is perfect for designing efficient power supplies, particularly in applications requiring isolated outputs.
• Adapters and Chargers: Its high power output and efficient operation make it suitable for creating compact and reliable adapters and chargers.
• Industrial Equipment: The device's high breakdown voltage and fault protection features make it ideal for use in industrial equipment where reliability and safety are paramount.
• Consumer Electronics: The VIPER100A can be used in various consumer electronics applications, providing a compact and efficient power conversion solution.

Conclusion of VIPER100A

Despite being marked as obsolete, the VIPER100A remains a reliable and efficient choice for AC-DC conversion applications. Its combination of high power output, efficient operation, and robust fault protection features make it a standout option in the market. The VIPER100A's internal switch and frequency control capabilities simplify design processes and enhance performance, making it an attractive choice for engineers and designers. While newer models may offer additional features, the VIPER100A's proven track record and extensive feature set ensure it remains a viable option for many applications.

VIPER100A Documents

Download datasheets and manufacturer documentation for VIPER100A

Datasheets :

VIPER100/SP, VIPER100A/ASP      

HTML Datasheet :

VIPER100/SP, VIPER100A/ASP