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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLT8640IUDC#TRPBF
LT8640IUDC#TRPBF Image
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See specifications for product details.

LT8640IUDC#TRPBF - Analog Devices Inc.

Manufacturer Part Number
LT8640IUDC#TRPBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT8640IUDC#TRPBF
ECAD Model
Parts Description
IC REG BUCK ADJUSTABLE 5A 20QFN
Detailed Description
Package
20-WFQFN, 18 Leads, Exposed Pad
Data sheet
LTpowerCAD II User Guide.pdf
LTpowerCAD II Quick Start Guide.pdf
LT8640(-1) Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 5411

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Specifications

LT8640IUDC#TRPBF Tech Specifications
Analog Devices Inc. - LT8640IUDC#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT8640IUDC#TRPBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Output (Min/Fixed) 0.97V  
Voltage - Output (Max) 42V  
Voltage - Input (Min) 3.4V  
Voltage - Input (Max) 42V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 20-QFN (3x4)  
Series Silent Switcher®1  
Package / Case 20-WFQFN, 18 Leads, Exposed Pad  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 210kHz ~ 2MHz  
Current - Output 5A  
Base Product Number LT8640  

Parts Introduction

Manufacturer Part Number

LT8640IUDC#TRPBF

Manufacturer

Analog Devices, Inc.

Introduction

The LT8640 is a high-efficiency, synchronous, step-down DC/DC converter that can deliver up to 5A of output current. It operates over a wide input voltage range of 3.4V to 42V, making it suitable for a variety of applications.

Product Features and Performance

Wide input voltage range: 3.4V to 42V

Adjustable output voltage from 0.97V to 42V

Up to 5A of output current

Switching frequency range of 210kHz to 2MHz

High efficiency synchronous rectification

Cycle-by-cycle current limiting

Soft-start and shut-down functions

Thermal shutdown protection

Product Advantages

Excellent efficiency and power density

Wide input voltage range

Adjustable output voltage

High output current capability

Versatile switching frequency

Comprehensive protection features

Key Technical Parameters

Input voltage range: 3.4V to 42V

Output voltage range: 0.97V to 42V

Output current: up to 5A

Switching frequency: 210kHz to 2MHz

Package: 20-WFQFN, 18 Leads, Exposed Pad

Quality and Safety Features

RoHS3 compliant

Thermal shutdown protection

Cycle-by-cycle current limiting

Compatibility

The LT8640 is a highly versatile DC/DC converter that can be used in a wide range of applications, including:

Application Areas

Industrial equipment

Automotive systems

Telecommunications equipment

Consumer electronics

Medical devices

Product Lifecycle

The LT8640 is an active product in Analog Devices' portfolio and is not nearing discontinuation. Replacement or upgrade options may be available from Analog Devices as technology evolves.

Several Key Reasons to Choose This Product

Wide input voltage range for versatile applications

High output current capability up to 5A

Adjustable output voltage for customized power requirements

Efficient synchronous rectification for high power conversion efficiency

Versatile switching frequency range for design flexibility

Comprehensive protection features for reliable operation

RoHS3 compliance for environmentally-friendly applications

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT8640IUDC#TRPBF

Product Attribute LT8640IUDC#TRPBF LT8640IUDC-1#TRPBF LT8638SEV#PBF LT8640SEV#PBF
Part Number LT8640IUDC#TRPBF LT8640IUDC-1#TRPBF LT8638SEV#PBF LT8640SEV#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Topology Buck Buck Buck Buck
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package Tape & Reel (TR) Tape & Reel (TR) Tray Tray
Voltage - Input (Min) 3.4V 3.4V 2.8V 3.4V
Current - Output 5A 5A 12A 6A
Output Configuration Positive Positive Positive Positive
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Voltage - Input (Max) 42V 42V 42V 42V
Voltage - Output (Min/Fixed) 0.97V 0.97V 0.6V 0.97V
Number of Outputs 1 1 1 1
Voltage - Output (Max) 42V 42V 42V 42V
Function Step-Down Step-Down Step-Down Step-Down
Package / Case 20-WFQFN, 18 Leads, Exposed Pad 20-WFQFN, 18 Leads, Exposed Pad 28-TFQFN Exposed Pad 24-TFQFN Exposed Pad
Output Type Adjustable Adjustable Adjustable Adjustable
Frequency - Switching 210kHz ~ 2MHz 210kHz ~ 2MHz 200kHz ~ 3MHz 200kHz ~ 3MHz
Base Product Number LT8640 LT8640 - LT8640
Synchronous Rectifier Yes Yes Yes Yes
Supplier Device Package 20-QFN (3x4) 20-QFN (3x4) 28-LQFN (5x4) 24-LQFN (4x4)
Series Silent Switcher®1 Silent Switcher®1 Silent Switcher®2 Silent Switcher®2

LT8640IUDC#TRPBF Datasheet PDF

Download LT8640IUDC#TRPBF pdf datasheets and Analog Devices Inc. documentation for LT8640IUDC#TRPBF - Analog Devices Inc..

Datasheets
LTpowerCAD II User Guide.pdf LTpowerCAD II Quick Start Guide.pdf LT8640(-1) Datasheet.pdf
Other Related Documents
Tape and Reel Packaging.pdf Silent Switcher Devices Are Quiet, Simple.pdf
PCN Assembly/Origin
Test Site Transfer 30/Sep/2020.pdf
Environmental Information
Material Declaration LT8640IUDC#TRPBF.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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LT8640IUDC#TRPBF Image

LT8640IUDC#TRPBF

Analog Devices Inc.
32D-LT8640IUDC#TRPBF

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