LTC3874IUF-1#PBF

$7.67

Description：IC REG CTRLR BUCK 24QFN
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tube

SKU:d29b9ab26784 Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC3874IUF-1#PBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 24QFN. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC3874IUF-1#PBF

Description：IC REG CTRLR BUCK 24QFN
Series：PolyPhase®
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：2
Output Phases：2
Voltage - Supply (Vcc/Vdd)：4.5V ~ 38V
Frequency - Switching：250kHz ~ 1MHz
Duty Cycle (Max)：-
Synchronous Rectifier：Yes
Clock Sync：Yes
Serial Interfaces：-
Control Features：Current Limit, Enable, Frequency Control, Phase Control
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：24-WFQFN Exposed Pad
Supplier Device Package：24-QFN (4x4)
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LTC3874IUF-1#PBF

LTC3874IUF-1#PBF

DC DC Switching Controllers Overview

The LTC3874IUF-1#PBF is a PolyPhBuck synchronous buck slave controller from Analog Devices, designed for high-current multi-phase applications. It operates with an input voltage range of 4.5 V to 38 V and supports switching frequencies between 250 kHz and 1 MHz. The device delivers up to 120 A output current in parallel configurations. It features a QFN-24 package and functions within a temperature range of -40°C to +125°C. Quiescent current is 4.6 mA, with rise and fall times of 30 ns. Output voltages are supported at 3.5 V and 5.5 V.

DC DC Switching Controllers Feature Summary

Synchronous buck slave controller operation within the PolyPhBuck architecture
Supports high-output current delivery through multi-phase parallel configuration
Integrated shutdown functionality for power management control

DC DC Switching Controllers Applications

High-density server power distribution networks
Telecommunications central office equipment
Industrial point-of-load regulation systems

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm that the part number matches exactly, including the suffix #PBF for lead-free compliance. Request official datasheets and test reports to ensure performance specifications align with design requirements. Check for moisture sensitivity levels and storage conditions prior to assembly.

DC DC Switching Controllers Selection Notes

Select this component when designing multi-phase buck converters requiring a dedicated slave controller. Ensure compatibility with the master controller in the PolyPhBuck family. Verify that the input voltage range and output current capabilities meet system demands. Consider thermal management solutions due to high current handling in the QFN-24 package.

DC DC Switching Controllers Part Context

The LTC3874 belongs to the PolyPhBuck series, optimized for high-efficiency, high-current DC/DC conversion. It complements master controllers to distribute load across multiple phases, reducing input and output capacitance requirements. This specific variant is configured as a slave unit, relying on external timing and phase shifting signals for synchronization.