UCC2800N

Power Supply Controllers, Monitors Overview

The UCC2800N is a low-power BiCMOS current-mode PWM controller manufactured by Texas Instruments. It supports boost, flyback, and forward topologies with a switching frequency of 1 MHz. The device features a maximum duty cycle of 100%, an output current capability of 1 A, and operates within a temperature range of -40°C to +85°C. Packaged in an 8-pin PDIP format for through-hole mounting.

Power Supply Controllers, Monitors Feature Summary

• Implements current-mode PWM control architecture
• Supports multiple power converter topologies including boost, flyback, and forward
• Enables full duty cycle operation up to 100 percent

Power Supply Controllers, Monitors Applications

• Low-power offline switcher designs
• Flyback power supply implementations
• Forward converter applications

Power Supply Controllers, Monitors Procurement Notes

Verify the specific package variant matches the required through-hole configuration. Confirm RoHS compliance status as indicated in official documentation. Ensure the operating temperature range aligns with system thermal requirements. Check for any lead-free suffix variations if applicable to the manufacturing batch.

Power Supply Controllers, Monitors Selection Notes

Select this component for cost-sensitive applications requiring simple current-mode control. It is suitable for isolated or non-isolated converters where high efficiency at light loads is not the primary constraint. Consider the PDIP package constraints for PCB layout and thermal dissipation needs.

Power Supply Controllers, Monitors Part Context

This part belongs to the UCC2800 series of low-power PWM controllers. It serves as a fundamental building block for basic AC-DC and DC-DC conversion stages. The series provides essential regulation capabilities without complex digital interfaces.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers include UCC2800NG4.