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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3874IUFD#PBF
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LTC3874IUFD#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC3874IUFD#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3874IUFD#PBF
ECAD Model
Parts Description
IC REG CTRLR BUCK 28QFN
Package
28-WFQFN Exposed Pad
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Specifications

LTC3874IUFD#PBF Tech Specifications
Analog Devices Inc. - LTC3874IUFD#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3874IUFD#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 28-QFN (4x5)  
Series PolyPhase®  
Serial Interfaces -  
Package / Case 28-WFQFN Exposed Pad  
Package Tube  
Output Type Transistor Driver  
Output Phases 2  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 2  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 250kHz ~ 1MHz  
Duty Cycle (Max) -  
Control Features Current Limit, Enable, Frequency Control, Phase Control  
Clock Sync Yes  
Base Product Number LTC3874  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LTC3874IUFD#PBF

Manufacturer

analog-devices

Introduction

The LTC3874 is a high-efficiency, dual-channel, synchronous step-down DC/DC controller designed for a wide input voltage range of 4.5V to 38V. It features a high-speed current-mode control architecture with programmable operating frequency, enabling high-density power solutions.

Product Features and Performance

Wide input voltage range of 4.5V to 38V

Programmable switching frequency from 250kHz to 1MHz

Synchronous rectification for high efficiency

Supports 2-phase operation for reduced input/output ripple

Current-mode control for fast transient response

Internal compensation and loop stability

Accurate current limit and overload protection

Product Advantages

High-efficiency power conversion

Compact solution size with 2-phase operation

Excellent transient response and stability

Comprehensive protection features

Key Reasons to Choose This Product

Versatile input voltage range for a wide range of applications

High switching frequency enables small solution size

Robust protection features ensure reliable operation

Seamless integration with analog-devices ecosystem

Quality and Safety Features

Industrial-grade operating temperature range of -40°C to 125°C

Robust package design for reliable operation

Comprehensive protection features including current limit, enable, and thermal shutdown

Compatibility

The LTC3874 is compatible with a wide range of power supply and load requirements, making it suitable for a variety of applications, such as industrial equipment, telecom infrastructure, automotive electronics, and more.

Application Areas

Industrial equipment

Telecom infrastructure

Automotive electronics

Robotics and automation

General-purpose power supplies

Product Lifecycle

The LTC3874 is an active product, and there are no immediate plans for discontinuation. While there are no direct equivalent models available, analog-devices offers a range of similar PolyPhase® step-down controller products that may meet your specific requirements. Please contact our website's sales team for personalized recommendations and support.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3874IUFD#PBF

Product Attribute LTC3874IUFD#PBF LTC3874EUFD#PBF LTC3875EUJ#PBF LTC3874EUFD#TRPBF
Part Number LTC3874IUFD#PBF LTC3874EUFD#PBF LTC3875EUJ#PBF LTC3874EUFD#TRPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Number of Outputs 2 2 2 2
Clock Sync Yes Yes No Yes
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V 4.5V ~ 38V 4.5V ~ 38V 4.5V ~ 38V
Frequency - Switching 250kHz ~ 1MHz 250kHz ~ 1MHz 250kHz ~ 720kHz 250kHz ~ 1MHz
Duty Cycle (Max) - - - -
Package Tube Tube Tube Tape & Reel (TR)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Topology Buck Buck Buck Buck
Serial Interfaces - - - -
Function Step-Down Step-Down Step-Down Step-Down
Base Product Number LTC3874 LTC3874 LTC3875 LTC3874
Output Configuration Positive Positive Positive Positive
Control Features Current Limit, Enable, Frequency Control, Phase Control Current Limit, Enable, Frequency Control, Phase Control Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking Current Limit, Enable, Frequency Control, Phase Control
Series PolyPhase® PolyPhase® - PolyPhase®
Supplier Device Package 28-QFN (4x5) 28-QFN (4x5) 40-QFN (6x6) 28-QFN (4x5)
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Output Phases 2 2 2 2
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Package / Case 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 40-WFQFN Exposed Pad 28-WFQFN Exposed Pad
Synchronous Rectifier Yes Yes Yes Yes

LTC3874IUFD#PBF Datasheet PDF

Download LTC3874IUFD#PBF pdf datasheets and Analog Devices Inc. documentation for LTC3874IUFD#PBF - Analog Devices Inc..

Datasheets
Cylindrical Battery Holders.pdf
PCN Assembly/Origin
2.73KHz.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LTC3874IUFD#PBF Image

LTC3874IUFD#PBF

Analog Devices Inc.
32D-LTC3874IUFD#PBF

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