UCC2803MDREP

Overview

The UCC2803MDREP is a low-power BiCMOS current-mode PWM controller manufactured by Texas Instruments. It operates with a switching frequency of 1 MHz and supports a maximum duty cycle of 100%. The device provides an output drive current of 1 A and functions within a temperature range of -55°C to +125°C. It is housed in an SOIC-8 surface-mount package. Electrical characteristics include a rise time of 41 ns and a fall time of 44 ns. This component is designed for military-enhanced applications requiring high reliability.

Feature Summary

• Military-grade enhancement for high-reliability environments
• Low-power BiCMOS technology implementation
• Current-mode PWM control architecture

Applications

• Military power supply systems
• High-reliability industrial converters
• Aviation electronic equipment

Procurement Notes

Verify the specific suffix 'MDREP' against official Texas Instruments documentation to confirm military qualification status and exact tape-and-reel specifications. Ensure the ordering information matches the required environmental ratings and package variant before finalizing procurement orders.

Selection Notes

Select this component when designing systems that require strict military environmental standards combined with low-power efficiency. The 100% duty cycle capability distinguishes it from similar models limited to 50%, making it suitable for specific topology requirements where continuous conduction is necessary.

Part Context

This part belongs to the UCC2803 series of low-power BiCMOS current-mode PWM controllers. It shares core architectural similarities with commercial variants but includes enhancements for extended temperature ranges and ruggedness. The family focuses on efficient power management for demanding operational scenarios.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.