LT3743EUFD#PBF is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


Analog Devices Inc.
In Stock: 2,555
Unit Price: $16.17000
Datasheet

Parametric Equivalent


Analog Devices Inc.
In Stock: 34
Unit Price: $18.74000
Datasheet

Parametric Equivalent


Analog Devices Inc.
In Stock: 0
Unit Price: $11.58611
Datasheet
LED Driver IC 1 Output DC DC Controller Step-Down (Buck) PWM Dimming 28-QFN (4x5)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
LED Driver IC 1 Output DC DC Controller Step-Down (Buck) PWM Dimming 28-QFN (4x5)
Introducing Power by Linear

LT3743EUFD#PBF

DigiKey Part Number
505-LT3743EUFD#PBF-ND
Manufacturer
Manufacturer Product Number
LT3743EUFD#PBF
Description
IC LED DRIVER CTRLR PWM 28QFN
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
LED Driver IC 1 Output DC DC Controller Step-Down (Buck) PWM Dimming 28-QFN (4x5)
Datasheet
 Datasheet
EDA/CAD Models
LT3743EUFD#PBF Models
Product Attributes
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Category
Voltage - Supply (Max)
36V
Manufacturer
Analog Devices Inc.
Frequency
200kHz ~ 1MHz
Packaging
Tube
Dimming
PWM
Part Status
Active
Applications
Lighting
Type
DC DC Controller
Operating Temperature
-40°C ~ 125°C (TJ)
Topology
Step-Down (Buck)
Mounting Type
Surface Mount
Internal Switch(s)
No
Package / Case
28-WFQFN Exposed Pad
Number of Outputs
1
Supplier Device Package
28-QFN (4x5)
Voltage - Supply (Min)
6V
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LT3743EUFD#TRPBFAnalog Devices Inc.2,555LT3743EUFD#TRPBFCT-ND$16.17000Parametric Equivalent
LT3743IUFD#PBFAnalog Devices Inc.34LT3743IUFD#PBF-ND$18.74000Parametric Equivalent
LT3743IUFD#TRPBFAnalog Devices Inc.0LT3743IUFD#TRPBF-ND$11.58611Parametric Equivalent
In-Stock: 0
73 expected in stock on 26-Oct-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$16.17000$16.17
10$12.80200$128.02
73$11.21658$818.81
146$10.84144$1,582.85
292$10.53267$3,075.54
511$10.32380$5,275.46
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.