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Product Overview
Digi-Key Part Number LT3743IUFD#PBF-ND
Quantity Available 643
Can ship immediately

Manufacturer Part Number


Description LED Driver IC 1 Output DC DC Controller Step-Down (Buck) PWM Dimming 28-QFN (4x5)
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 4 Weeks
Documents & Media
Datasheets LT3743
Video File High Current LED Driver with Three-State control - LT3743
Reference Design Library DC1470A: 20A @ 6V Max, 6 ~ 36V in, Buck
Catalog Page 1136 (EU2011-EN PDF)
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - LED Drivers


Linear Technology

Series -
Packaging ? Tube ?
Part Status Active
Type DC DC Controller
Topology Step-Down (Buck)
Internal Switch(s) No
Number of Outputs 1
Voltage - Supply (Min) 6V
Voltage - Supply (Max) 36V
Voltage - Output -
Current - Output / Channel -
Frequency 200kHz ~ 1MHz
Dimming PWM
Applications Lighting
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 28-WFQFN Exposed Pad
Supplier Device Package 28-QFN (4x5)
For Use With
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Additional Resources
Standard Package ? 73

01:47:58 10-25-2016

Price & Procurement

All prices are in DKK.
Price Break Unit Price Extended Price
1 80,08000 80,08
25 53,58480 1.339,62
100 45,55040 4.555,04

Submit a request for quotation on quantities greater than those displayed.

Alternate Package | This part is also available in the following packaging:
  • Tape & Reel (TR) ? : LT3743IUFD#TRPBF-ND
  • Minimum Quantity: 2.500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 46,21435
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