UCC2801D

Power Supply Controllers, Monitors Overview

The UCC2801D is a discontinued low-power BiCMOS current-mode PWM controller manufactured by Texas Instruments. It is housed in an 8-SOIC package and supports multiple topologies including Boost, Flyback, and Forward converters. The device operates within a temperature range of -40°C to +125°C. It features a maximum duty cycle of 50% and includes built-in protection mechanisms such as undervoltage lockout and thermal shutdown.

Power Supply Controllers, Monitors Feature Summary

• Supports Boost, Flyback, and Forward converter topologies
• Integrated thermal shutdown for enhanced reliability
• Undervoltage lockout functionality

Power Supply Controllers, Monitors Applications

• Universal AC-DC adapters
• Telecommunications power supplies
• Battery chargers

Power Supply Controllers, Monitors Procurement Notes

Verify component authenticity through authorized channels due to the part's end-of-life status. Confirm RoHS3 compliance and check for alternative packages or updated series replacements if long-term supply stability is required for production.

Power Supply Controllers, Monitors Selection Notes

Select this component only for legacy designs requiring specific pinouts or electrical characteristics of the UCC280x family. Evaluate modern alternatives for new designs to ensure ongoing manufacturing support and availability.

Power Supply Controllers, Monitors Part Context

Part of the UCC280x series of low-power current-mode PWM controllers. This series is designed for cost-sensitive applications requiring efficient power management with minimal external component count.

Power Supply Controllers, Monitors Replacement Considerations

UCC2801DTR is listed as a substitute.