LT3976EUDD#TRPBF

$4.76

Description：IC REG BUCK ADJ 5A 24QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:7c6a83d42c19 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 5A 24QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4.3V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：1.197V
Voltage - Output (Max)：38.8V
Current - Output：5A
Frequency - Switching：200kHz ~ 2.25MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：24-WFQFN Exposed Pad
Supplier Device Package：24-QFN (3x5)

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LT3976EUDD#TRPBF

Overview

The LT3976EUDD#TRPBF is a monolithic buck switching regulator manufactured by Analog Devices Inc. It accepts a wide input voltage range up to 40V and features an adjustable switching frequency from 100kHz to 2.2MHz. The device delivers up to 5A of output current with low quiescent current consumption of 3.3µA during no-load regulation. It operates within a junction temperature range of -40°C to 125°C and utilizes a 16-lead DFN package.

Feature Summary

Adjustable switching frequency for optimized efficiency across load ranges
Low quiescent current design minimizes power loss in standby modes
Wide input voltage tolerance supports diverse supply architectures

Applications

Point-of-load regulation for high-density systems
Industrial control power distribution networks
Telecommunications infrastructure power supplies

Procurement Notes

Verify the specific suffix configuration against official Analog Devices documentation to ensure compatibility with required thermal and electrical specifications. Confirm that the requested part number matches the exact package type and operating temperature grade intended for the application design. Cross-reference datasheet revisions to validate parameter consistency before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring high input voltage tolerance combined with significant output current capabilities. The adjustable frequency feature allows designers to optimize external component sizes while managing electromagnetic interference levels. Ensure thermal management strategies account for the maximum junction temperature limits specified in the technical data sheets.

Part Context

This part belongs to the LT3976 family of synchronous step-down converters designed for robust performance in demanding environments. The series emphasizes efficiency and flexibility through programmable switching frequencies. It serves as a core power management solution for applications needing reliable voltage conversion from higher bus voltages.