UCC2800D

Power Supply Controllers, Monitors Overview

The UCC2800D is a current-mode PWM controller manufactured by Texas Instruments, designed for high-performance power supply applications. It operates within a switching frequency range up to 1 MHz and supports Boost, Flyback, and Forward topologies. The device features a maximum duty cycle of 100% and provides an output drive capability of 1 A. Electrical specifications include a rise time of 41 ns and a fall time of 44 ns. It functions reliably across an operating temperature range from -40 °C to +85 °C and is housed in an 8-pin SOIC surface-mount package.

Power Supply Controllers, Monitors Feature Summary

• Implements current-mode control architecture for precise regulation
• Supports multiple converter topologies including boost, flyback, and forward configurations
• Provides high-speed gate drive with low propagation delay characteristics

Power Supply Controllers, Monitors Applications

• High-density DC-DC converters
• Flyback power supplies
• Forward converter designs

Power Supply Controllers, Monitors Procurement Notes

Verify the specific ordering suffix to confirm the package type and tape-and-reel versus tube packaging configuration. Ensure compatibility with the intended thermal management requirements for the SOIC-8 footprint. Cross-reference the manufacturer datasheet for updated environmental compliance status and recommended soldering profiles prior to integration into production assemblies.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing isolated or non-isolated converters requiring current-mode control with frequencies up to 1 MHz. It is suitable for applications needing 100% duty cycle operation and robust drive strength. Consider the SOIC-8 package constraints and the specified operating temperature range when evaluating thermal performance and board space limitations for the target design.

Power Supply Controllers, Monitors Part Context

This part belongs to the UCC28xx series of PWM controllers from Texas Instruments, which are engineered for efficient power management solutions. The series offers various pin counts and feature sets tailored for different topology requirements. The UCC2800D specifically targets compact designs utilizing standard surface-mount assembly processes for reliable operation in consumer and industrial electronics.

Power Supply Controllers, Monitors Replacement Considerations

Consult official substitution guides for compatible alternatives within the same product family. Verify pinout compatibility and electrical parameter alignment before transitioning to any substitute part number.