UCC2801PW

Power Supply Controllers, Monitors Overview

The UCC2801PW is a low-power BiCMOS current-mode PWM controller manufactured by Texas Instruments. It features a fixed switching frequency of 1 MHz and supports Boost, Flyback, and Forward topologies. The device provides one output with a maximum duty cycle of 50% and an output current capability of 1 A. It operates within a temperature range of -40°C to +125°C and is housed in an SOIC-8 surface-mount package.

Power Supply Controllers, Monitors Feature Summary

• Implements current-mode pulse width modulation control for efficient power regulation.
• Designed for low-power applications utilizing BiCMOS technology.
• Supports multiple converter topologies including boost, flyback, and forward configurations.

Power Supply Controllers, Monitors Applications

• Automotive low-power electronics
• Flyback power supply designs
• Boost converter circuits
• Forward converter architectures

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix against official documentation to confirm package type and qualification status. Ensure the ordering code matches the required automotive or industrial grade specifications. Confirm moisture sensitivity levels and recommended soldering profiles prior to assembly to maintain component integrity during manufacturing processes.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring high-frequency operation at 1 MHz with strict thermal requirements up to 125°C. The SOIC-8 package suits space-constrained designs. Consider the 50% maximum duty cycle limitation when designing feedback loops for specific voltage conversion ratios in flyback or forward topologies.

Power Supply Controllers, Monitors Part Context

This part belongs to the UCC2801 series of low-power BiCMOS current-mode PWM controllers. It is distinct from other family members like the UCC2809 or UCC28019, which serve different topology or PFC functions. The UCC2801 is specifically engineered for general-purpose switching regulators requiring robust performance in automotive and industrial environments.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with direct pin-to-pin replacements only through official manufacturer cross-reference tools.