LT3992EFE

Overview

The LT3992EFE is a monolithic dual tracking 3A step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3V to 60V and provides two adjustable positive outputs, each capable of delivering up to 3A. The device features a synchronous buck topology with a switchable frequency range from 110kHz to 2.5MHz. It is housed in a 38-TFSOP package with an exposed pad for thermal management. The IC supports operation across a temperature range of -40°C to 150°C TJ.

Feature Summary

• Monolithic dual output architecture enabling independent or synchronized tracking regulation
• Integrated high-efficiency synchronous rectification for reduced external component count
• Wide input voltage capability supporting direct connection to various bus standards
• Programmable switching frequency allows optimization for size versus efficiency

Applications

• Industrial equipment requiring isolated or non-isolated dual rail power distribution
• Automotive infotainment and control modules with wide input voltage ranges
• Telecommunications infrastructure powering multiple logic levels from a single bus
• Portable test and measurement instruments needing compact dual-output solutions

Procurement Notes

Verify the specific suffix and tape-and-reel packaging requirements against the official datasheet before ordering. Confirm that the 38-TFSOP exposed pad thermal design matches your PCB layout capabilities. Ensure compliance with RoHS3 specifications if required by your regional regulations. Cross-reference the exact part number with Analog Devices documentation to avoid confusion with similar family members.

Selection Notes

Select this component when designing systems that require two regulated rails from a single wide-range input source without external transformers. Evaluate the thermal performance of the 38-TFSOP package under maximum load conditions. Consider the minimum operating frequency for inductor selection if minimizing component size is critical. Verify that the output voltage adjustment range meets the lowest voltage requirement of your target loads.

Part Context

The LT3992EFE belongs to the LT3992 series of dual-channel DC/DC converters designed for high-density power applications. It integrates two complete synchronous buck controllers into a single chip, reducing board space compared to discrete solutions. The device is part of Analog Devices' portfolio of high-voltage switching regulators aimed at industrial and automotive markets where reliability and efficiency are paramount.

Replacement Considerations

LT3992HFE#TRPBF