UCC28500DW

Overview

The UCC28500DW is a Power Factor Correction (PFC) controller manufactured by Texas Instruments, housed in a 20-SOIC surface-mount package. It operates within an average current mode topology with a switching frequency range of 80 kHz to 120 kHz. The device supports a supply voltage range of 9.7 V to 18 V and functions reliably across an operating temperature range of -40°C to +85°C. It features a low startup current of 150 µA and complies with RoHS3 standards.

Feature Summary

• Implements average current mode control for power factor correction applications
• Integrates BiCMOS technology for combined PFC and PWM control capabilities
• Provides high efficiency through optimized switching frequency management

Applications

• Power factor correction stages in AC/DC power supplies
• Pre-regulator circuits for universal input adapters
• High-efficiency power management systems requiring active PFC

Procurement Notes

Verify component authenticity against official Texas Instruments documentation due to potential discontinuance notifications. Confirm that the specific order suffix matches the required package type and environmental compliance status. Cross-reference datasheet revisions to ensure compatibility with existing design parameters before finalizing procurement orders.

Selection Notes

Select this component for designs requiring average current mode PFC control within the specified frequency range. Ensure the application circuit supports the 9.7 V to 18 V supply voltage window. Verify thermal management requirements align with the -40°C to +85°C operating temperature limits for reliable long-term performance in industrial or commercial environments.

Part Context

This part belongs to the UCC28500 series of power management integrated circuits designed for efficient power conversion. It represents a specialized solution for improving power quality in electronic systems by actively correcting the phase difference between voltage and current waveforms during energy transfer processes.

Replacement Considerations

• UCC28512DWR