VIPER100-E

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The VIPER100-E is an \'Embedded-Industrial\' AC/DC switch-mode power supply (AC-DC SMPS) from STMicroelectronics. It features a \'fully integrated package\' which combines a high-performance power supply controller, a high-efficiency full-bridge power switch, a power factor correction stage and a temperature sensor for temperature monitoring. The product is designed to operate with extreme efficiency, as well as provide flexibility to meet a variety of applications and requirements.

The VIPER100-E is an all-in-one AC/DC SMPS solution which offers a power output of 100 W at an input voltage of 85-265 VAC, and is an ideal choice for industrial, medical, computing and consumer applications. Featuring a synchronous buck topology, the VIPER100-E offers a wide input voltage of 85-265VAC, a power efficiency of up to 91% and a minimum no-load power consumption of less than 0.2W. It also has an integrated soft-start feature, which allows for smooth and silent power-up and shutdown.

The VIPER100-E features a wide-range of protection functions for high-reliability applications, including over-voltage, short-circuit, thermal-shutdown and open-loop protection. It also utilizes a digital-based control scheme for better precision and stability against input line and load transients. Its low-profile universal-mount PCB footprint ensures compatibility with a wide variety of form factors.

The VIPER100-E is ideal for applications in the PMIC (Power Management Integrated Circuit) market, such as AC/DC converters, offline switchers and linear regulators. It is a reliable and efficient solution to the ever-increasing power demands of industrial applications, and is suitable for applications ranging from domestic, office and industrial lighting applications, to adjustable motor drives and more.

The VIPER100-E employs a synchronous buck topology to convert the AC mains input into a DC output. The single-stage circuit contains a power factor correction stage and a full-bridge output stage along with a controller for precise regulation. The power factor correction stage takes the current directly from the AC mains in order to generate a DC bus voltage, which is then used to drive the output stage. A feedback loop is also included to monitor the information regarding the output voltage, which is then used to adjust the duty cycle of the power switch in order to maintain the desired output voltage. The power switch is then driven based on the duty cycle in order to maintain the regulated output voltage. The VIPER100-E also includes integrated protection features such as over-voltage, short-circuit, over-current and thermal-shutdown to ensure safety and high reliability in demanding applications.

Overall, the VIPER100-E is a powerful, reliable and efficient solution for PMIC applications, featuring a wide range of protection features, precise operation and a universal-mount PCB footprint. It is an ideal choice for applications in AC/DC converters, offline switchers and linear regulators, with power-conversion solutions for a wide range of applications. It provides high-efficiency operation, extreme reliability, and flexible options for a variety of applications.

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