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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLT8640SIV#PBF
LT8640SIV#PBF Image
Image may be representation.
See specifications for product details.

LT8640SIV#PBF - Analog Devices Inc.

Manufacturer Part Number
LT8640SIV#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT8640SIV#PBF
ECAD Model
Parts Description
IC REG BUCK ADJUSTABLE 6A 24LQFN
Detailed Description
Package
24-TFQFN Exposed Pad
Data sheet
LT8640S, LT8643S Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 5326

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Specifications

LT8640SIV#PBF Tech Specifications
Analog Devices Inc. - LT8640SIV#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT8640SIV#PBF

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 24-LQFN (4x4)  
Series Silent Switcher®2  
Package / Case 24-TFQFN Exposed Pad  
Product Attribute Attribute Value  
Package Tray  
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 200kHz ~ 3MHz  
Current - Output 6A  
Base Product Number LT8640  

Parts Introduction

Manufacturer Part Number

LT8640SIV#PBF

Manufacturer

Analog Devices

Introduction

The LT8640SIV#PBF is a high-efficiency, Silent Switcher®2 step-down (buck) regulator.

Product Features and Performance

Silent Switcher 2 architecture minimizes EMI/EMC emissions

High efficiency at multiple load points

Wide input voltage range suitable for diverse applications

Adjustable output voltage for design flexibility

Supports high frequency switching for reduced inductor size

Synchronous rectification for improved efficiency

Stable operation with ceramic capacitors

Internal thermal protection

Product Advantages

Low EMI allows use in noise-sensitive applications

High switch frequency enables compact power supply design

Ability to sustain high temperatures expands use scenarios

High efficiency reduces thermal issues and saves energy

Key Technical Parameters

Voltage Input (Min): 3.4V

Voltage Input (Max): 42V

Voltage Output (Min/Fixed): 0.97V

Voltage Output (Max): 42V

Current Output: 6A

Frequency Switching: 200kHz ~ 3MHz

Number of Outputs: 1

Topology: Buck

Output Configuration: Positive

Output Type: Adjustable

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Over-temperature protection

Built-in short-circuit protection

Meets regulatory standards for emissions and safety

Compatibility

Suitable for use with a wide range of input sources and output loads

Compatible with industry-standard 24-LQFN (4x4) mount

Application Areas

Automotive and industrial power supplies

Portable and battery-powered devices

Communications and networking equipment

Medical devices and healthcare products

Computing and data storage systems

Product Lifecycle

Active status, available for new designs

Not approaching discontinuation, with support expected to continue

Several Key Reasons to Choose This Product

Exceptionally low EMI characteristics ideal for RF-sensitive environments

Flexible input and output parameters accommodate diverse power needs

Efficient operation across a wide temperature range ensures reliability

High switching frequency allows for smaller, lighter, and more efficient designs

From a renowned manufacturer known for quality power management solutions

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT8640SIV#PBF

Product Attribute LT8640SIV#PBF LT8641EUDC#PBF LT8640SEV#PBF LT8640JUDCF-1#WPBF
Part Number LT8640SIV#PBF LT8641EUDC#PBF LT8640SEV#PBF LT8640JUDCF-1#WPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 150°C (TJ)
Function Step-Down Step-Down Step-Down Step-Down
Voltage - Output (Max) 42V 64.35V 42V 42V
Voltage - Output (Min/Fixed) 0.97V 0.8V 0.97V 0.97V
Voltage - Input (Min) 3.4V 3V 3.4V 3.4V
Current - Output 6A 3.5A 6A 5A
Topology Buck Buck Buck Buck
Output Type Adjustable Adjustable Adjustable Adjustable
Package / Case 24-TFQFN Exposed Pad 20-WFQFN, 18 Leads, Exposed Pad 24-TFQFN Exposed Pad 20-WFQFN, 18 Leads, Exposed Pad
Output Configuration Positive Positive Positive Positive
Supplier Device Package 24-LQFN (4x4) 20-QFN (3x4) 24-LQFN (4x4) 20-QFN (3x4)
Package Tray Tube Tray Tube
Series Silent Switcher®2 Silent Switcher®1 Silent Switcher®2 Automotive, AEC-Q100, Silent Switcher®1
Voltage - Input (Max) 42V 65V 42V 42V
Number of Outputs 1 1 1 1
Frequency - Switching 200kHz ~ 3MHz 210kHz ~ 2MHz 200kHz ~ 3MHz 210kHz ~ 2MHz
Synchronous Rectifier Yes Yes Yes Yes
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount, Wettable Flank
Base Product Number LT8640 LT8641 LT8640 LT8640

LT8640SIV#PBF Datasheet PDF

Download LT8640SIV#PBF pdf datasheets and Analog Devices Inc. documentation for LT8640SIV#PBF - Analog Devices Inc..

Datasheets
LT8640S, LT8643S Datasheet.pdf
PCN Assembly/Origin
2.73KHz.pdf
Other Related Documents
Silent Switcher Devices Are Quiet, Simple.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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LT8640SIV#PBF Image

LT8640SIV#PBF

Analog Devices Inc.
32D-LT8640SIV#PBF

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