LT3973HDD#TRPBF

$9.61

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

SKU:1ca76aff133e 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 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
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-WFDFN Exposed Pad
Supplier Device Package：10-DFN (3x3)

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LT3973HDD#TRPBF

Overview

The LT3973HDD#TRPBF is a monolithic buck switching regulator manufactured by Analog Devices Inc. It accepts an input voltage range of 4.2V to 42V and delivers up to 750mA output current. The device features adjustable switching frequencies from 195kHz to 2.15MHz and consumes only 2.5µA of quiescent current. It operates within a temperature range of -40°C to +150°C TJ and utilizes a 10-DFN package.

Feature Summary

Adjustable frequency operation allows optimization for efficiency or component size
Ultra-low quiescent current supports battery-powered applications
Wide input voltage range accommodates various power sources
Integrated shutdown pin enables system power management

Applications

Automotive electronics systems
Industrial control equipment
Portable instrumentation
Battery-operated devices

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the exact part number matches the required thermal performance and package type for your PCB layout. Check official Analog Devices documentation for the most current RoHS compliance status and lifecycle information before finalizing procurement plans.

Selection Notes

Select this component when a wide input voltage range up to 42V is required with low standby current consumption. The adjustable frequency feature allows designers to optimize external component sizes. Ensure the application demands a synchronous buck topology with integrated diodes for efficient step-down conversion in compact spaces.

Part Context

This part belongs to the LT3973 family of high-efficiency, low-noise buck regulators. These devices are designed for applications requiring small solution size and low operating current. The family includes various fixed and adjustable output voltage options packaged in thermally enhanced DFN cases suitable for surface mount assembly.