STMicroelectronics

VIPER50ASP-E

VIPER50ASP-E Description

The VIPER50ASP-E is an obsolete yet highly capable offline switcher IC from STMicroelectronics, designed for AC-DC conversion applications. This device is part of the renowned VIPER™ series, known for its robustness and efficiency in power conversion. The VIPER50ASP-E features a flyback topology, making it ideal for isolated power supplies with a power rating of up to 50 watts. It operates with a supply voltage range of 8V to 15V and can start up at a minimum voltage of 11V. The device supports switching frequencies up to 200kHz, ensuring high efficiency and compact design. With a breakdown voltage of 700V, it is well-suited for high-voltage applications. The VIPER50ASP-E also includes internal switches and offers comprehensive control features such as frequency control, soft start, and synchronization. It provides robust fault protection mechanisms, including current limiting and over-temperature protection, ensuring reliable operation under various conditions. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental standards. It is packaged in a tube format and has a moisture sensitivity level (MSL) of 3, allowing for 168 hours of exposure before assembly.

VIPER50ASP-E Features

• High Power Capability: Delivers up to 50 watts of power, making it suitable for a wide range of applications requiring moderate to high power output.
• Efficient Flyback Topology: Utilizes a flyback topology, which is highly efficient and allows for compact and cost-effective designs.
• Wide Supply Voltage Range: Operates within an 8V to 15V supply voltage range, providing flexibility in input power sources.
• High Switching Frequency: Supports switching frequencies up to 200kHz, enabling the use of smaller and more efficient transformers.
• Robust Fault Protection: Features current limiting and over-temperature protection to safeguard the device and connected components from damage.
• Internal Switches: Includes internal switches, reducing the need for external components and simplifying the design process.
• Control Features: Offers frequency control, soft start, and synchronization capabilities, enhancing performance and reliability.
• Environmental Compliance: Meets REACH and RoHS3 standards, ensuring compliance with environmental regulations.
• Moisture Sensitivity Level: MSL 3 (168 hours), allowing for extended exposure before assembly without compromising performance.

VIPER50ASP-E Applications

The VIPER50ASP-E is ideal for a variety of applications where high efficiency, compact design, and robust performance are required. Some specific use cases include:

• Power Supplies: Suitable for isolated power supplies in consumer electronics, industrial equipment, and medical devices.
• Charging Solutions: Ideal for high-power charging solutions, including those for portable devices and battery packs.
• Adapters and Converters: Can be used in AC-DC adapters and converters for various electronic devices, ensuring reliable power delivery.
• Telecommunications: Applicable in telecom equipment where efficient power conversion and high reliability are critical.
• Lighting Systems: Useful in LED lighting systems, providing efficient power conversion and control.

Conclusion of VIPER50ASP-E

The VIPER50ASP-E is a versatile and efficient offline switcher IC from STMicroelectronics, offering a comprehensive set of features and benefits for AC-DC conversion applications. Despite being obsolete, its robust design, high power capability, and wide range of control features make it a reliable choice for various power supply needs. Its compliance with environmental standards and robust fault protection mechanisms further enhance its appeal. While newer models may offer updated technologies, the VIPER50ASP-E remains a solid option for designers seeking a proven and efficient power conversion solution.