LT3973HMSE#TRPBF

$4.44

Description：IC REG BUCK ADJ 750MA 10MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:1322c095e266 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 750MA 10MSOP
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)：4.2V
Voltage - Input (Max)：42V
Voltage - Output (Min/Fixed)：1.21V
Voltage - Output (Max)：24V
Current - Output：750mA
Frequency - Switching：195kHz ~ 2.15MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package：10-MSOP-EP

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LT3973HMSE#TRPBF

Overview

The LT3973HMSE#TRPBF is a monolithic buck switching regulator manufactured by Analog Devices Inc. It accepts an input voltage range from 4.2V to 42V and delivers up to 750mA of output current. The device features an adjustable switching frequency ranging from 195kHz to 2.15MHz, allowing for optimization of efficiency and component size. It operates with a low quiescent current of 2.5µA and supports a maximum junction temperature of 150°C. The unit is housed in a 10-lead MSOP package.

Feature Summary

Adjustable switching frequency allows optimization between efficiency and passive component size
Low quiescent current consumption enhances system efficiency during light load conditions
High maximum operating junction temperature capability suitable for demanding thermal environments

Applications

Automotive power distribution systems
Industrial control equipment
Embedded microcontroller power supplies

Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when reviewing distributor listings. Confirm that the HMSE designation corresponds to the high-temperature MSOP-10 package variant. Ensure the ordering information matches the required output configuration and pinout specifications before finalizing procurement orders.

Selection Notes

Select this component for applications requiring wide input voltage tolerance and high thermal resilience. The adjustable frequency feature provides flexibility in managing electromagnetic interference and minimizing external inductor size. Consider the 750mA output limit when sizing the power stage for the target load requirements.

Part Context

This part belongs to the LT3973 family of synchronous buck regulators designed for robust performance in automotive and industrial sectors. The series offers various package options and fixed or adjustable output configurations to support diverse design constraints while maintaining high reliability standards.