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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLTC3649EUFD#PBF
LTC3649EUFD#PBF Image
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See specifications for product details.

LTC3649EUFD#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC3649EUFD#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LTC3649EUFD#PBF
ECAD Model
Parts Description
IC REG BUCK ADJUSTABLE 4A 28QFN
Detailed Description
Package
28-WFQFN Exposed Pad
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
In stock: 2852

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Quantity

Specifications

LTC3649EUFD#PBF Tech Specifications
Analog Devices Inc. - LTC3649EUFD#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC3649EUFD#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Output (Min/Fixed) 0V  
Voltage - Output (Max) 55V  
Voltage - Input (Min) 3.1V  
Voltage - Input (Max) 60V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 28-QFN (4x5)  
Series -  
Package / Case 28-WFQFN Exposed Pad  
Product Attribute Attribute Value  
Package Tube  
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 1MHz  
Current - Output 4A  
Base Product Number LTC3649  

Parts Introduction

Manufacturer Part Number

LTC3649EUFD#PBF

Manufacturer

Analog Devices, Inc.

Introduction

The LTC3649EUFD#PBF is a high-efficiency, synchronous step-down DC-DC converter from Analog Devices. It is designed for a wide range of applications that require a compact, high-performance voltage regulator.

Product Features and Performance

Operates from 3.1V to 60V input voltage range

1MHz fixed-frequency, synchronous step-down switching regulator

Adjustable output voltage from 0V to 55V

Capable of delivering up to 4A of output current

Integrated high-side and low-side MOSFET switches for high efficiency

Cycle-by-cycle current limit and thermal shutdown protection

Product Advantages

High efficiency over wide load range

Small solution size with integrated power switches

Flexible output voltage adjustment

Robust protection features

Excellent transient response

Key Technical Parameters

Input Voltage Range: 3.1V to 60V

Output Voltage Range: 0V to 55V

Output Current: 4A maximum

Switching Frequency: 1MHz fixed

Topology: Synchronous buck converter

Quality and Safety Features

ROHS3 compliant

Thermally enhanced 28-QFN (4x5) package

Robust protection features including overcurrent, overvoltage, and thermal shutdown

Compatibility

The LTC3649EUFD#PBF is compatible with a wide range of applications that require a high-performance, compact, and efficient voltage regulator.

Application Areas

Industrial equipment

Automotive systems

Transportation applications

Energy storage systems

General-purpose power supply designs

Product Lifecycle

The LTC3649EUFD#PBF is an active product in Analog Devices' portfolio. There are no plans for discontinuation, and replacement or upgrade options are available.

Key Reasons to Choose This Product

High efficiency across a wide input voltage and load range

Compact and thermally enhanced package for space-constrained designs

Flexible output voltage adjustment from 0V to 55V

Robust protection features for reliable operation

High-performance switching regulator with 1MHz fixed frequency

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC3649EUFD#PBF

Product Attribute LTC3649EUFD#PBF LTC3646EDE#PBF LTC3646HDE#PBF LTC3646IMSE#PBF
Part Number LTC3649EUFD#PBF LTC3646EDE#PBF LTC3646HDE#PBF LTC3646IMSE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Current - Output 4A 1A 1A 1A
Number of Outputs 1 1 1 1
Base Product Number LTC3649 LTC3646 LTC3646 LTC3646
Function Step-Down Step-Down Step-Down Step-Down
Package / Case 28-WFQFN Exposed Pad 14-WFDFN Exposed Pad 14-WFDFN Exposed Pad 16-TFSOP (0.118', 3.00mm Width) Exposed Pad
Voltage - Input (Min) 3.1V 4V 4V 4V
Frequency - Switching 1MHz 200kHz ~ 3MHz 200kHz ~ 3MHz 200kHz ~ 3MHz
Synchronous Rectifier Yes Yes Yes Yes
Topology Buck Buck Buck Buck
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Series - - - -
Output Type Adjustable Adjustable Adjustable Adjustable
Voltage - Output (Max) 55V 30V 30V 30V
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Voltage - Input (Max) 60V 40V 40V 40V
Supplier Device Package 28-QFN (4x5) 14-DFN (4x3) 14-DFN (4x3) 16-MSOP-EP
Voltage - Output (Min/Fixed) 0V 2V 2V 2V
Output Configuration Positive Positive Positive Positive
Package Tube Tube Tube Tube

LTC3649EUFD#PBF Datasheet PDF

Download LTC3649EUFD#PBF pdf datasheets and Analog Devices Inc. documentation for LTC3649EUFD#PBF - Analog Devices Inc..

Datasheets
Cylindrical Battery Holders.pdf
PCN Assembly/Origin
2.73KHz.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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LTC3649EUFD#PBF Image

LTC3649EUFD#PBF

Analog Devices Inc.
32D-LTC3649EUFD#PBF

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