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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersLTC3851AEUD-1#PBF
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LTC3851AEUD-1#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC3851AEUD-1#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3851AEUD-1#PBF
ECAD Model
Parts Description
IC REG CTRLR BUCK 16QFN
Package
16-WFQFN Exposed Pad
Data sheet
LTpowerCAD II Quick Start Guide.pdf
LTC3851A-1.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 11325

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Specifications

LTC3851AEUD-1#PBF Tech Specifications
Analog Devices Inc. - LTC3851AEUD-1#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3851AEUD-1#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Vcc/Vdd) 4V ~ 38V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 16-QFN (3x3)  
Series -  
Serial Interfaces -  
Package / Case 16-WFQFN Exposed Pad  
Package Tube  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 235kHz ~ 750kHz  
Duty Cycle (Max) 99%  
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking  
Clock Sync No  
Base Product Number LTC3851  

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

LTC3851AEUD-1#PBF

Manufacturer

analog-devices

Introduction

The LTC3851AEUD-1#PBF is a high-performance, high-efficiency, synchronous step-down DC/DC controller that operates from a wide 4V to 38V input voltage range. It features advanced control circuitry to provide reliable and precise regulation of the output voltage.

Product Features and Performance

Wide 4V to 38V input voltage range

Programmable switching frequency from 235kHz to 750kHz

Up to 99% duty cycle for low dropout operation

Synchronous rectification for high efficiency

Adjustable soft-start and tracking

Programmable frequency compensation

Power good and enable control signals

Product Advantages

High efficiency and low noise operation

Wide input voltage range for versatile applications

Precise output voltage regulation

Flexible control features for customized design

Compact 16-pin WFQFN package

Key Reasons to Choose This Product

Reliable and high-performance power management solution

Optimized for industrial, automotive, and consumer electronics applications

Proven track record of quality and safety

Ease of design and integration with comprehensive control features

Quality and Safety Features

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

Robust overcurrent, overvoltage, and thermal protection

Certified for safety and regulatory compliance

Compatibility

The LTC3851AEUD-1#PBF is compatible with a wide range of DC/DC power supplies and can be integrated into various electronic systems.

Application Areas

Industrial automation and control

Automotive electronics

Consumer electronics

Telecommunications equipment

Medical devices

Product Lifecycle

The LTC3851AEUD-1#PBF is an active product, and there are no plans for discontinuation at this time. Analog Devices offers a range of similar and alternative models for various power management applications. If you need further assistance, please contact our sales team through our website.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3851AEUD-1#PBF

Product Attribute LTC3851AEUD-1#PBF LTC3851AIGN#TRPBF LTC3851AEMSE-1#PBF LTC3851AEMSE-1#TRPBF
Part Number LTC3851AEUD-1#PBF LTC3851AIGN#TRPBF LTC3851AEMSE-1#PBF LTC3851AEMSE-1#TRPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Function Step-Down Step-Down Step-Down Step-Down
Output Phases 1 1 1 1
Series - - - -
Duty Cycle (Max) 99% 99% 99% 99%
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking Current Limit, Enable, Frequency Control, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start, Tracking Enable, Frequency Control, Power Good, Soft Start, Tracking
Frequency - Switching 235kHz ~ 750kHz 235kHz ~ 750kHz 235kHz ~ 750kHz 235kHz ~ 750kHz
Package Tube Tape & Reel (TR) Tube Tape & Reel (TR)
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Clock Sync No No No No
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Package / Case 16-WFQFN Exposed Pad 16-SSOP (0.154', 3.90mm Width) 16-TFSOP (0.118', 3.00mm Width) Exposed Pad 16-TFSOP (0.118', 3.00mm Width) Exposed Pad
Number of Outputs 1 1 1 1
Output Configuration Positive Positive Positive Positive
Base Product Number LTC3851 LTC3851 LTC3851 LTC3851
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 16-QFN (3x3) 16-SSOP 16-MSOP-EP 16-MSOP-EP
Voltage - Supply (Vcc/Vdd) 4V ~ 38V 4V ~ 38V 4V ~ 38V 4V ~ 38V
Synchronous Rectifier Yes Yes Yes Yes
Serial Interfaces - - - -
Topology Buck Buck Buck Buck

LTC3851AEUD-1#PBF Datasheet PDF

Download LTC3851AEUD-1#PBF pdf datasheets and Analog Devices Inc. documentation for LTC3851AEUD-1#PBF - Analog Devices Inc..

Datasheets
LTC3851A-1.pdf
PCN Assembly/Origin
Wafer Fab Location Change 08/Nov/2021.pdf
HTML Datasheet
LTpowerCAD II Quick Start Guide.pdf
Getting Started Guide
LTpowerPlanner III Quick Start Guide.pdf
Environmental Information
Material Declaration LTC3851AEUD-1#PBF.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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LTC3851AEUD-1#PBF Image

LTC3851AEUD-1#PBF

Analog Devices Inc.
32D-LTC3851AEUD-1#PBF

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