LT3973EMSE#PBF - Analog Devices Inc.

Manufacturer Part Number

LT3973EMSE#PBF

Manufacturer

Analog Devices

Introduction

The LT3973 is a versatile step-down DC-DC switching regulator optimized for power management applications, featuring a wide input and output voltage range.

Product Features and Performance

Step-Down (Buck) topology

Adjustable output voltage

Single output channel

Input voltage range from 4.2V to 42V

Output voltage range from 1.21V to 24V

Maximum output current of 750mA

Switching frequency between 195 kHz and 2.15 MHz

Product Advantages

Wide input and output voltage capability suitable for diverse applications

Flexible switching frequency allows optimization between efficiency and component size

Key Technical Parameters

Function: Step-Down

Output Configuration: Positive

Topology: Buck

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

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Operates efficiently within a broad temperature range (-40°C to +125°C) ensuring reliability under varying environmental conditions

Compatibility

Surface Mount, 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad

Application Areas

Ideal for telecommunications, automotive, and industrial control systems

Product Lifecycle

Currently active with no indication of discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Broad input voltage range supports applications in unstable voltage environments

Adjustable output voltage provides design flexibility

High switching frequency range allows for smaller passive components

Robust thermal performance suitable for a wide range of operating temperatures

Compact MSOP package suitable for space-constrained applications