STMicroelectronics

VIPER25HD  

AC DC Converters, Offline Switches

VIPER25HD Description

The VIPER25HD is a high-performance offline switcher IC designed for flyback topology applications, part of the VIPer™ plus series by STMicroelectronics. This device is engineered to deliver robust power management solutions with a rated power output of 20 watts. It features an isolated output design and operates within a wide supply voltage range of 8.5V to 23.5V. The VIPER25HD is equipped with a 225kHz switching frequency, ensuring efficient power conversion and compact design. It also includes comprehensive fault protection mechanisms such as current limiting, over-temperature, and over-voltage protection, making it highly reliable for various power management applications.

VIPER25HD Features

• High Breakdown Voltage: The VIPER25HD boasts a breakdown voltage of 800V, providing a significant margin of safety and reliability in high-voltage applications.
• Wide Input Voltage Range: With a supply voltage range of 8.5V to 23.5V, this IC is versatile and can operate efficiently across a broad spectrum of input voltages.
• Efficient Switching Frequency: The 225kHz switching frequency enables compact transformer designs and high power density, making it suitable for space-constrained applications.
• Comprehensive Fault Protection: Integrated current limiting, over-temperature, and over-voltage protection mechanisms ensure the device's longevity and reliability under varying operating conditions.
• Isolated Output Design: The isolated output topology ensures safety and reliability in applications where galvanic isolation is required.
• High Power Output: Capable of delivering up to 20 watts, the VIPER25HD is ideal for applications requiring moderate to high power outputs.
• Surface Mount Technology: The surface mount package type facilitates easy integration into modern PCB designs, enhancing manufacturing efficiency.
• Regulatory Compliance: The VIPER25HD is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.

VIPER25HD Applications

The VIPER25HD is well-suited for a variety of applications where reliable power management is crucial. Its high breakdown voltage and wide input voltage range make it ideal for:

• Adaptive Power Supplies: Efficiently managing power in devices that require variable input voltages.
• Charging Stations: Providing reliable power conversion for electric vehicle charging stations.
• Industrial Equipment: Ensuring stable power supply in industrial control systems and machinery.
• Telecommunications: Powering remote telecommunication equipment and base stations.
• Consumer Electronics: Enhancing power management in devices such as home appliances and portable electronics.

Conclusion of VIPER25HD

The VIPER25HD by STMicroelectronics stands out as a robust and versatile offline switcher IC, offering a comprehensive suite of features tailored for high-performance power management applications. Its wide input voltage range, high breakdown voltage, and efficient switching frequency make it an excellent choice for a variety of industrial and consumer applications. The integrated fault protection mechanisms ensure reliability and longevity, while its surface mount package type facilitates easy integration into modern PCB designs. With its compliance to stringent environmental and safety standards, the VIPER25HD is a reliable and efficient solution for power management needs.

VIPER25HD Documents

Download datasheets and manufacturer documentation for VIPER25HD

Datasheets :

VIPER25 Datasheet      

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VIPER25 View All Specifications      

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VIPER25 Datasheet