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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3874EUFD#PBF
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LTC3874EUFD#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC3874EUFD#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3874EUFD#PBF
ECAD Model
Parts Description
IC REG CTRLR BUCK 28QFN
Package
28-WFQFN Exposed Pad
Data sheet
LTC3874.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 7985

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Specifications

LTC3874EUFD#PBF Tech Specifications
Analog Devices Inc. - LTC3874EUFD#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3874EUFD#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

LTC3874EUFD#PBF

Manufacturer

analog-devices

Introduction

The LTC3874EUFD#PBF is a high-performance, dual-phase, synchronous step-down DC/DC switching controller from Analog Devices. It is designed to provide efficient power conversion from a wide range of input voltages to low-voltage outputs, making it suitable for a variety of applications.

Product Features and Performance

Operates from a 4.5V to 38V input voltage range

Switching frequency can be programmed from 250kHz to 1MHz

Supports two independent output phases for increased efficiency and reduced output ripple

Includes current-mode control with current-limit protection

Synchronous rectification for improved efficiency

Adjustable soft-start and tracking functions

Integrated gate drivers for high-side and low-side MOSFETs

Product Advantages

Wide input voltage range provides flexibility in system design

Dual-phase configuration enables higher power delivery and reduced output ripple

Current-mode control and current-limit protection ensure reliable and safe operation

Synchronous rectification improves efficiency compared to diode-based designs

Adjustable soft-start and tracking functions simplify system integration

Key Reasons to Choose This Product

Highly efficient and reliable power conversion from a wide range of input voltages

Flexible dual-phase design suitable for a variety of applications

Advanced control features and protection mechanisms for safe and stable operation

Compact surface-mount package for space-constrained designs

Quality and Safety Features

Operating temperature range of -40°C to 125°C

Robust 28-WFQFN exposed pad package for reliable thermal performance

Stringent quality control and testing processes ensure product reliability

Compatibility

The LTC3874EUFD#PBF is compatible with a wide range of power supply and control system components, making it suitable for a variety of applications, including:

Industrial equipment

Automotive systems

Telecommunications infrastructure

Server and computer power supplies

Renewable energy systems

Application Areas

High-efficiency DC-DC power conversion

Voltage regulation for microprocessors, FPGAs, and other digital loads

Power management in industrial, automotive, and telecommunications applications

Distributed power architectures

Product Lifecycle

The LTC3874EUFD#PBF is an active product, and our website's sales team continues to provide support and availability. There are no immediate plans for discontinuation. Customers are advised to check with our website's sales team or their local sales representatives for the latest product information and availability.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3874EUFD#PBF

Product Attribute LTC3874EUFD#PBF LTC3873ETS8-5#TRPBF LTC3874IUFD#PBF LTC3875EUJ#TRPBF
Part Number LTC3874EUFD#PBF LTC3873ETS8-5#TRPBF LTC3874IUFD#PBF LTC3875EUJ#TRPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V 4.1V ~ 60V 4.5V ~ 38V 4.5V ~ 38V
Package / Case 28-WFQFN Exposed Pad SOT-23-8 Thin, TSOT-23-8 28-WFQFN Exposed Pad 40-WFQFN Exposed Pad
Function Step-Down Step-Up, Step-Up/Step-Down Step-Down Step-Down
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Base Product Number LTC3874 LTC3873 LTC3874 LTC3875
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Supplier Device Package 28-QFN (4x5) TSOT-23-8 28-QFN (4x5) 40-QFN (6x6)
Output Phases 2 1 2 2
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Duty Cycle (Max) - 78% - -
Output Configuration Positive Positive, Isolation Capable Positive Positive
Topology Buck Boost, Flyback, SEPIC Buck Buck
Clock Sync Yes No Yes No
Series PolyPhase® - PolyPhase® -
Number of Outputs 2 1 2 2
Control Features Current Limit, Enable, Frequency Control, Phase Control Current Limit, Enable, Soft Start Current Limit, Enable, Frequency Control, Phase Control Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
Synchronous Rectifier Yes No Yes Yes
Package Tube Tape & Reel (TR) Tube Tape & Reel (TR)
Frequency - Switching 250kHz ~ 1MHz - 250kHz ~ 1MHz 250kHz ~ 720kHz
Serial Interfaces - - - -

LTC3874EUFD#PBF Datasheet PDF

Download LTC3874EUFD#PBF pdf datasheets and Analog Devices Inc. documentation for LTC3874EUFD#PBF - Analog Devices Inc..

Datasheets
LTC3874.pdf
PCN Assembly/Origin
Alt Assembly Site 20/Jan/2022.pdf

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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LTC3874EUFD#PBF

Analog Devices Inc.
32D-LTC3874EUFD#PBF

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