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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsLT3690IUFE#PBF
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LT3690IUFE#PBF - Analog Devices Inc.

Manufacturer Part Number
LT3690IUFE#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT3690IUFE#PBF
ECAD Model
Parts Description
IC REG BUCK ADJUSTABLE 4A 26QFN
Package
26-WFQFN Exposed Pad
Data sheet
LTpowerCAD II User Guide.pdf
LTpowerCAD II Quick Start Guide.pdf
LT3690 Datasheet.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 3221

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Specifications

LT3690IUFE#PBF Tech Specifications
Analog Devices Inc. - LT3690IUFE#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT3690IUFE#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Output (Min/Fixed) 0.8V  
Voltage - Output (Max) 20V  
Voltage - Input (Min) 3.9V  
Voltage - Input (Max) 36V  
Topology Buck  
Synchronous Rectifier No  
Supplier Device Package 26-QFN (4x6)  
Series -  
Package / Case 26-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 138kHz ~ 1.5MHz  
Current - Output 4A  
Base Product Number LT3690  

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

LT3690IUFE#PBF

Manufacturer

analog-devices

Introduction

The LT3690IUFE#PBF is a step-down DC DC switching regulator designed for use in power management applications, capable of adjusting output voltage and supporting a wide input voltage range.

Product Features and Performance

Topology: Buck

Adjustable output type

Single output channel

Supports input voltages from 3.9V to 36V

Provides output voltages from 0.8V to 20V

Delivers up to 4A current output

Switching frequency range from 138kHz to 1.5MHz

Operating temperature ranges from -40°C to 125°C

Surface mount package

Product Advantages

Wide input voltage range accommodates various power supplies

High flexibility with adjustable voltage output

Capable of handling moderate load with 4A output

Key Technical Parameters

Voltage Input (Min): 3.9V

Voltage Input (Max): 36V

Voltage Output (Min/Fixed): 0.8V

Voltage Output (Max): 20V

Current Output: 4A

Frequency Switching: 138kHz to 1.5MHz

Quality and Safety Features

Operates reliably within a wide temperature range of -40°C to 125°C

Compatibility

Suitable for use in applications requiring surface mounting technology

Package / Case: 26-WFQFN Exposed Pad

Application Areas

Suitable for various electronic devices needing efficient voltage regulation and power management

Product Lifecycle

Currently in active production status

Not indicated as nearing discontinuation, replacements, or upgrades

Several Key Reasons to Choose This Product

Provides stable and adjustable voltage outputs for customized applications

Supports a broad range of input voltages, making it versatile for different power environments

High current output capability up to 4A for demanding applications

Wide operating temperature range ensures performance under extreme conditions

Compact surface mount form factor aids in space-saving designs

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT3690IUFE#PBF

Product Attribute LT3690IUFE#PBF LT3690HUFE#TRPBF LT3689IUD-5#TRPBF LT3690EUFE#PBF
Part Number LT3690IUFE#PBF LT3690HUFE#TRPBF LT3689IUD-5#TRPBF LT3690EUFE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Supplier Device Package 26-QFN (4x6) 26-QFN (4x6) 16-QFN (3x3) 26-QFN (4x6)
Voltage - Input (Max) 36V 36V 36V 36V
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Series - - - -
Topology Buck Buck Buck Buck
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Output (Min/Fixed) 0.8V 0.8V 5V 0.8V
Function Step-Down Step-Down Step-Down Step-Down
Base Product Number LT3690 LT3690 LT3689 LT3690
Output Type Adjustable Adjustable Fixed Adjustable
Voltage - Input (Min) 3.9V 3.9V 3.6V 3.9V
Frequency - Switching 138kHz ~ 1.5MHz 138kHz ~ 1.5MHz 500kHz ~ 2MHz 138kHz ~ 1.5MHz
Synchronous Rectifier No No No No
Package / Case 26-WFQFN Exposed Pad 26-WFQFN Exposed Pad 16-WFQFN Exposed Pad 26-WFQFN Exposed Pad
Number of Outputs 1 1 1 1
Output Configuration Positive Positive Positive Positive
Current - Output 4A 4A 700mA 4A
Voltage - Output (Max) 20V 20V - 20V
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tube

LT3690IUFE#PBF Datasheet PDF

Download LT3690IUFE#PBF pdf datasheets and Analog Devices Inc. documentation for LT3690IUFE#PBF - Analog Devices Inc..

HTML Datasheet
LTpowerCAD II User Guide.pdf LTpowerCAD II Quick Start Guide.pdf LT3690 Datasheet.pdf
Environmental Information
Material Declaration LT3690IUFE#PBF.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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LT3690IUFE#PBF Image

LT3690IUFE#PBF

Analog Devices Inc.
32D-LT3690IUFE#PBF

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