LT3971IDD

Description：IC REG BUCK ADJ 1.2A 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:629cd8d9b1ec Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 1.2A 10DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4.3V
Voltage - Input (Max)：38V
Voltage - Output (Min/Fixed)：1.19V
Voltage - Output (Max)：30V
Current - Output：1.2A
Frequency - Switching：200kHz ~ 2MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：10-WFDFN Exposed Pad
Supplier Device Package：10-DFN (3x3)
Grade：-
Qualification：-

Download product information

LT3971IDD

Overview

The LT3971IDD is a monolithic buck switching regulator from Analog Devices, designed for high-efficiency power conversion. It accepts an input voltage range of 4.3 V to 38 V and delivers up to 1.2 A output current. The device operates at a fixed 2 MHz switching frequency and features a low quiescent current of 2.8 uA during regulation. It utilizes a DFN-10 package and supports operation across a temperature range of -40°C to +125°C.

Feature Summary

Integrates a high-efficiency internal switch and boost Schottky diode for compact design
Supports adjustable switching frequency for optimized performance
Features accurate threshold enable pin for precise shutdown control

Applications

Industrial equipment power supplies
Embedded systems requiring wide input voltage ranges
Battery-powered applications needing low quiescent current

Procurement Notes

Verify the specific suffix and package variant against official Analog Devices documentation before procurement. Confirm availability status as supply conditions may vary by region. Ensure compatibility with required thermal management solutions for the DFN-10 package. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a wide input voltage range up to 38 V is required alongside a 1.2 A output capability. Consider the 2 MHz switching frequency for smaller passive component sizes. Evaluate thermal requirements based on the DFN-10 package and expected load conditions. Verify that the 2.8 uA quiescent current meets system standby power constraints.

Part Context

The LT3971 series belongs to Analog Devices' portfolio of step-down switching regulators. These devices are characterized by their ability to handle high input voltages while maintaining efficiency at light loads. The IDD designation indicates a specific package and temperature grade within the broader LT3971 family.