UCC28811D

LED Driver IC Overview

The UCC28811D is an LED lighting power controller manufactured by Texas Instruments, designed for high-performance applications. It supports Boost, Buck, and Flyback topologies with a single output capable of delivering up to 750 mA. The device operates within a supply voltage range of 13 V to 18 V and features an adjustable switching frequency from 5 kHz to 250 kHz. It includes analog dimming capabilities and soft start functionality. Packaged in an SOIC-8 format, it functions as a current mode driver suitable for various LED illumination systems.

LED Driver IC Feature Summary

• Supports multiple converter topologies including Boost, Buck, and Flyback configurations.
• Features integrated analog dimming control for precise light management.
• Includes built-in soft start mechanism to reduce inrush current during startup.

LED Driver IC Applications

• LED lighting power controllers
• General-purpose LED drivers
• AC/DC conversion systems

LED Driver IC Procurement Notes

Verify the specific package variant when ordering, as the suffix 'D' indicates a SOIC-8 tube packaging option distinct from tape-and-reel alternatives. Confirm that the required operating temperature range aligns with the specified -40°C to +105°C limits for your intended environment. Ensure compatibility with the supported input voltage window of 13 V to 18 V before finalizing component selection for your design.

LED Driver IC Selection Notes

Select this component for designs requiring flexible topology support across Boost, Buck, and Flyback architectures. It is appropriate for applications needing analog dimming integration alongside standard constant current regulation. Consider the SOIC-8 package constraints and thermal dissipation requirements relative to the 750 mA output capability when evaluating board space and heat management strategies for the final assembly.

LED Driver IC Part Context

This part belongs to the UCC28811 series of LED lighting power controllers from Texas Instruments. It shares functional similarities with related models like the UCC28810D but may differ in specific electrical thresholds or pinout configurations. The series is categorized under general-purpose LED drivers and AC/DC converters, focusing on efficient power management for illumination applications.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify cross-compatibility with other UCC2881x variants carefully, as differences in minimum input voltage or package type may affect direct interchangeability without circuit redesign.

LED Driver IC FAQ

What switching frequency range does the UCC28811D support?

The device supports an adjustable switching frequency ranging from 5 kHz to 250 kHz.

Does the UCC28811D support analog dimming?

Yes, the component features integrated analog dimming capabilities for controlling LED brightness.