UCC3819ADR

Overview

The UCC3819ADR is a power factor correction controller manufactured by Texas Instruments, designed for average current mode operation. It operates within a supply voltage range of 10.8V to 17V and supports a switching frequency of 250kHz. The device is housed in a 16-SOIC package with a width of 3.90mm. It functions reliably across an operating temperature range of 0°C to 70°C. The unit weighs approximately 72.6mg and complies with RoHS3 standards.

Feature Summary

• Implements average current mode control for power factor correction applications
• Features integrated startup circuitry requiring low start-up current
• Designed for surface mount installation in compact electronic systems

Applications

• Power factor correction stages in AC-DC converters
• Pre-regulator circuits for power supplies
• Industrial power management systems

Procurement Notes

Verify component authenticity through authorized channels as the part status is listed as obsolete. Confirm package dimensions match the 16-SOIC specification. Check datasheet revisions for any functional updates. Ensure environmental compliance meets project requirements. Validate supplier documentation against official manufacturer records before acquisition.

Selection Notes

Consider the discontinued status when planning long-term production. Evaluate alternative components from the same family if availability is critical. Verify thermal performance within the specified 0°C to 70°C range. Assess compatibility with existing PCB footprints for the 16-SOIC package. Review system requirements against the 250kHz switching frequency limitation.

Part Context

This component belongs to the UCC3819 series of power factor correction controllers. It is part of Texas Instruments' portfolio of power management integrated circuits. The device utilizes BiCMOS technology for efficient operation. It serves as a specialized solution for improving power efficiency in electrical systems.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.