UC1846MDWREP

Power Supply Controllers, Monitors Overview

The UC1846MDWREP is a military-enhanced current-mode PWM controller manufactured by Texas Instruments. It operates within an extended temperature range of -55°C to +125°C and utilizes a 16-pin SOIC package. The device supports multiple topologies including boost, flyback, forward, full bridge, half bridge, and push-pull configurations. Key electrical specifications include a switching frequency of 500 kHz, a maximum duty cycle of 50%, a 5.1 V output voltage reference, and a peak output drive current of 500 mA.

Power Supply Controllers, Monitors Feature Summary

• Military-grade enhanced reliability for demanding environments
• Current-mode control architecture with pulse-by-pulse limiting
• Supports versatile converter topologies via dual outputs

Power Supply Controllers, Monitors Applications

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

Power Supply Controllers, Monitors Procurement Notes

Verify the suffix 'REP' indicates military enhancement and confirm RoHS compliance status through official datasheets. Ensure the SOIC-16 package matches design constraints. Validate that the -55°C to +125°C operating range meets specific environmental requirements before procurement.

Power Supply Controllers, Monitors Selection Notes

Select this component when military-grade reliability and wide temperature operation are required. Compare against standard UC3846 variants if commercial grade suffices. Verify pinout compatibility with existing designs due to potential differences in non-military equivalents.

Power Supply Controllers, Monitors Part Context

Part of the UC1846 series, designed for high-reliability applications. Distinguished from commercial UC3846 by extended temperature range and military processing. Shares functional similarities with other UCx846 family members but offers specific ruggedization features.

Power Supply Controllers, Monitors Replacement Considerations

UC1846DW (Commercial Grade): Lacks military enhancement and extended temperature range. UC3846DWTR (Commercial Grade): Similar functionality but limited to 0°C to +70°C. Verify qualification standards before substitution.