UCC28514DWR

Overview

The UCC28514DWR is an advanced PFC/PWM combination controller manufactured by Texas Instruments in a SOIC-20 package. It integrates a current-mode Power Factor Correction (PFC) controller with a post-regulator PWM controller. The device supports a maximum switching frequency of 500 kHz and delivers a peak output current of 3.5 A. It utilizes BICMOS technology for high-performance power management.

Feature Summary

• Integrates interleaved PFC and PWM control functions into a single component
• Provides advanced power factor correction with post-regulation capabilities
• Supports high-frequency operation up to 500 kHz for compact design

Applications

• High-efficiency AC-DC power supplies
• Advanced power factor correction systems
• Combined PFC and PWM controller applications

Procurement Notes

Verify the obsolete status of this specific part number before procurement, as it may no longer be manufactured. Confirm availability through authorized distributors or alternative sourcing channels. Ensure that any substitute components meet the original electrical specifications and pinout requirements for seamless integration into existing designs.

Selection Notes

Select this component for designs requiring integrated PFC and PWM control in a single package. Consider the 500 kHz switching frequency limit and 3.5 A output capability when sizing passive components. Verify thermal performance within the SOIC-20 package constraints for the intended application environment.

Part Context

This component belongs to the UCC28514 family of advanced PFC/PWM combination controllers from Texas Instruments. It is designed to simplify power supply architectures by combining two control loops. The DWR suffix indicates the SOIC-20 package variant with specific tape and reel packaging characteristics.

Replacement Considerations

View substitutes or alternative package types as indicated by manufacturer resources. No specific public confirmed substitute part numbers are listed in the provided data.