VIPER100ASPTR-E

AC DC Converters, Offline Switchers Overview

The VIPER100ASPTR-E is an AC/DC switching converter IC from STMicroelectronics, part of the VIPerPlus family. It integrates a high-voltage vertical power MOSFET with a PWM controller on a single silicon chip. The device supports flyback topology with output power capabilities up to 50W in wide-range conditions and 100W in single-range or doubler configurations. Key electrical parameters include a maximum switching frequency of 200 kHz, a breakdown voltage of 700V, and a supply voltage range of 8V to 15V. It features current mode control, adjustable current limitation, and automatic burst mode operation for low standby consumption.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage vertical power MOSFET with a state-of-the-art PWM circuit on a single silicon chip.
• Supports both primary and secondary regulation loops while reducing component count compared to discrete solutions.
• Features automatic burst mode operation for efficient stand-by condition without extra components.
• Includes comprehensive protection mechanisms such as over-temperature protection and under-voltage lock-out.

AC DC Converters, Offline Switchers Applications

• Offline power supplies with 50W secondary power capability in wide-range conditions
• Offline power supplies with 100W secondary power capability in single-range or doubler configurations
• Stand-alone adapters and chargers requiring low stand-by current consumption

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix 'ASP' against official STMicroelectronics documentation to confirm pinout compatibility and thermal characteristics. Ensure the package type matches the design requirements, as variations exist within the VIPer100 series. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement plans.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring high integration and reduced bill of materials in offline power applications. Consider the 700V breakdown voltage for appropriate input line ranges. Evaluate the need for primary versus secondary regulation based on efficiency targets and cost constraints. Verify that the 200 kHz switching frequency aligns with magnetics design goals.

AC DC Converters, Offline Switchers Part Context

The VIPER100ASPTR-E belongs to the VIPerPlus family of high-voltage offline converters. This family is characterized by reliability and efficiency, often featuring integrated error amplifiers for simplified 5V output regulation. The VIPer100 series specifically targets medium-power applications, offering a balance between performance and component count reduction in switch-mode power supplies.

AC DC Converters, Offline Switchers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult STMicroelectronics official documentation for direct replacements or cross-reference guides.