UCC38085DR

AC DC Converters, Offline Switchers Overview

The UCC38085DR is an offline push-pull switching controller manufactured by Texas Instruments. It operates in current mode with programmable slope compensation to ensure stable performance under varying load conditions. The device supports a wide input voltage range from 9.3 V to 15 V and delivers a peak output drive current of 1 A. It functions within a temperature range of 0°C to 70°C and utilizes an 8-pin SOIC package for surface-mount assembly.

AC DC Converters, Offline Switchers Feature Summary

• Implements current-mode control architecture with integrated programmable slope compensation for enhanced stability.
• Provides high-current push-pull gate drive capability suitable for driving external power switches.
• Supports flexible frequency selection across a broad operational range via external components.

AC DC Converters, Offline Switchers Applications

• Offline push-pull DC-DC converter designs
• Universal AC-DC power supply front ends
• Industrial power management systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix DR indicates the tape-and-reel packaging format compatible with automated surface-mount assembly processes. Confirm RoHS compliance status and lead times through authorized distributors, as availability may vary due to lifecycle status changes.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring robust current-mode control in push-pull topologies. Ensure the external switching frequency setting falls within the supported range and that the thermal design accommodates the specified operating temperature limits for reliable long-term operation.

AC DC Converters, Offline Switchers Part Context

This part belongs to the UCC3808x series of low-power current-mode controllers. It shares functional similarities with other members like the UCC38084 and UCC38086, differing primarily in specific internal reference configurations or pinout variations tailored for distinct transformer reset requirements.

AC DC Converters, Offline Switchers Replacement Considerations

Direct substitutes include UCC38084DR and UCC38086DR. Verify pin compatibility and internal reference voltages before substitution to ensure circuit stability without redesigning the feedback network.