LT7171RV#TRPBF

Overview

The LT7171RV#TRPBF is a Silent Switcher step-down switching regulator IC manufactured by Analog Devices Inc. It features a synchronous buck topology with a single positive programmable output capable of delivering up to 20A. The device operates with an input voltage range from 1.5V to 16V and provides an adjustable output voltage between 0.4V and 5.5V. It supports a switch frequency range of 400kHz to 4MHz. The component is housed in a 30-PowerTFQFN package (3.5x4mm) and functions within a junction temperature range of -40°C to 150°C.

Feature Summary

• Integrates Silent Switcher technology for low electromagnetic interference performance
• Supports high continuous output current up to 20A
• Features wide input voltage compatibility from 1.5V to 16V
• Includes internal synchronous rectification for improved efficiency

Applications

• Point-of-load regulation for processors and FPGAs
• Industrial automation power systems
• Telecommunications infrastructure equipment
• Embedded computing modules

Procurement Notes

Verify the specific suffix '#TRPBF' against official Analog Devices documentation to confirm tape-and-reel packaging and lead-free status. Ensure the requested part number matches the exact RV marking code. Cross-reference datasheet revisions to confirm pinout and electrical characteristics remain consistent with design requirements before procurement.

Selection Notes

Select this component when designing systems requiring high current density and compact footprint solutions. The wide input range accommodates various bus voltages, while the programmable output allows flexibility for different logic levels. Consider thermal management strategies due to the 20A capability and ensure adequate PCB copper area for heat dissipation in the QFN package.

Part Context

This part belongs to the LT7171 family of Silent Switcher regulators, designed for applications demanding high efficiency and low noise. It represents a monolithic solution integrating power switches, controllers, and passive components into a small surface-mount package, simplifying board layout compared to discrete designs.

Replacement Considerations

LT7171RV-1#TRMPBF is a documented substitute variant within the same product line.