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HomeProductsIntegrated Circuits (ICs)PMIC - LED DriversLT3743EUFD#PBF
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LT3743EUFD#PBF - Analog Devices Inc.

Manufacturer Part Number
LT3743EUFD#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT3743EUFD#PBF
ECAD Model
Parts Description
IC LED DRIVER CTRLR PWM 28QFN
Package
28-WFQFN Exposed Pad
Data sheet
LT3743.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 3904

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Specifications

LT3743EUFD#PBF Tech Specifications
Analog Devices Inc. - LT3743EUFD#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT3743EUFD#PBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Min) 6V  
Voltage - Supply (Max) 36V  
Voltage - Output -  
Type DC DC Controller  
Topology Step-Down (Buck)  
Supplier Device Package 28-QFN (4x5)  
Series -  
Package / Case 28-WFQFN Exposed Pad  
Package Tube  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Internal Switch(s) No  
Frequency 200kHz ~ 1MHz  
Dimming PWM  
Current - Output / Channel -  
Base Product Number LT3743  
Applications Lighting  

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

LT3743EUFD#PBF

Manufacturer

Analog Devices

Introduction

The LT3743EUFD#PBF is a power management integrated circuit specifically designed to control LED drivers and optimized for efficient power delivery in lighting applications.

Product Features and Performance

DC DC Controller type for step-down (buck) conversion

Operates without an internal switch

Designed for a single output

Supports a wide voltage supply range from 6V to 36V

Frequency adjustment from 200kHz to 1MHz

Incorporates PWM dimming for precise lighting control

High operating temperature range of -40°C to 125°C

QFN packaging for improved thermal performance and space-saving on PCBs

Product Advantages

Flexible power supply compatibility

High-frequency operation for reduced external component size

Capable of handling high-temperature environments

Suitable for advanced lighting systems with dimming requirements

Compact surface mount form factor for space-sensitive applications

Key Technical Parameters

Topology: Step-Down (Buck)

Voltage Supply (Min): 6V

Voltage Supply (Max): 36V

Frequency range: 200kHz to 1MHz

Quality and Safety Features

Robust thermal management with the exposed pad package design

Reliable operation in extended temperature conditions

Compatibility

Compatible with various lighting applications requiring PWM dimming

Surface mount compatible with standard PCB technology

Application Areas

General and specialized lighting systems

Industrial and commercial LED lighting solutions

Product Lifecycle

Product status is listed as active

No indication of nearing discontinuation

Future replacement or upgrades depend on manufacturer updates

Several Key Reasons to Choose This Product

High integration level offering a simplified circuit design

Versatile input voltage range catering to a variety of power sources

Efficiency in controlling high-brightness LEDs

Ability to customize lighting with PWM dimming

Proven reliability from Analog Devices, renowned in the industry for quality PMIC products

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT3743EUFD#PBF

Product Attribute LT3743EUFD#PBF LT3743EUFD#TRPBF LT3743EFE#PBF LT3744EUHE#PBF
Part Number LT3743EUFD#PBF LT3743EUFD#TRPBF LT3743EFE#PBF LT3744EUHE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Internal Switch(s) No No No No
Applications Lighting Lighting Lighting -
Dimming PWM PWM PWM Analog, PWM
Package Tube Tape & Reel (TR) Tube Tube
Package / Case 28-WFQFN Exposed Pad 28-WFQFN Exposed Pad 28-TSSOP (0.173", 4.40mm Width) Exposed Pad 36-WFQFN Exposed Pad
Supplier Device Package 28-QFN (4x5) 28-QFN (4x5) 28-TSSOP-EP 36-QFN (5x6)
Series - - - -
Number of Outputs 1 1 1 3
Voltage - Output - - - -
Frequency 200kHz ~ 1MHz 200kHz ~ 1MHz 200kHz ~ 1MHz 1MHz
Base Product Number LT3743 LT3743 LT3743 LT3744
Voltage - Supply (Max) 36V 36V 36V 36V
Voltage - Supply (Min) 6V 6V 6V 3.3V
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TA)
Type DC DC Controller DC DC Controller DC DC Controller DC DC Controller
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Current - Output / Channel - - - -
Topology Step-Down (Buck) Step-Down (Buck) Step-Down (Buck) Step-Down (Buck)

LT3743EUFD#PBF Datasheet PDF

Download LT3743EUFD#PBF pdf datasheets and Analog Devices Inc. documentation for LT3743EUFD#PBF - Analog Devices Inc..

Datasheets
LT3743.pdf
PCN Assembly/Origin
Alt Assembly Site 20/Jan/2022.pdf
Environmental Information
Material Declaration LT3743EUFD#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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LT3743EUFD#PBF

Analog Devices Inc.
32D-LT3743EUFD#PBF

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