- Mfr. #:
 - LT3743IUFD#PBF
 
- Description:
 - LED Driver IC 1 Output DC DC Controller Step-Down (Buck) PWM Dimming 28-QFN (4x5)
 
- Payment
 - T/T / Paypal / Visa / MoneyGram / Western / Union
 
- Delivery
 - DHL / FedEx / Ups / TNT / EMS
 
-  
 - Buy LT3743IUFD#PBF
 
Documents
| NAME | TYPE | 
|---|---|
| Datasheets | LT3743 | 
| Video File | High Current LED Driver with Three-State control - LT3743 | 
| Design Resources | Lighting Product Selector | 
| Reference Design Library | DC1470A: 20A @ 6V Max, 6 ~ 36V in, Buck | 
| Online Catalog | DC DC Controller | 
Attributes
| NAME | TYPE | 
|---|---|
| Category | Integrated Circuits (ICs) | 
| Family | PMIC - LED Drivers | 
| Manufacturer | 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) | 
Resources
| NAME | TYPE | 
|---|---|
| Standard Package | 73 | 
| Tags | LT3743IU LT3 LT3743I LT3743 LT374 LT37 | 
Related Products
| Part Number | Description | 
|---|---|
| 7443551130 | 1.3µH Shielded Wirewound Inductor 25A 1.8 mOhm Nonstandard | 
| 7443551370 | 3.7µH Shielded Wirewound Inductor 17A 4.9 mOhm Nonstandard | 
| 7443551111 | 11.3µH Shielded Wirewound Inductor 11A 9.1 mOhm Nonstandard | 
| 7443551130 | FIXED IND 1.3UH 25A 1.8 MOHM SMD | 
| 7443551370 | FIXED IND 3.7UH 17A 4.9 MOHM SMD | 
| 7443551111 | FIXED IND 11.3UH 11A 9.1 MOHM | 
| 7443320100 | 1µH Shielded Wirewound Inductor 24A 2.5 mOhm Max Nonstandard | 
| 7443320100 | FIXED IND 1UH 24A 1.17 MOHM SMD | 
| 7443320100 | FIXED IND 1UH 24A 1.17 MOHM SMD | 
For Use With
| Part Number | Description | 
|---|---|
| DC1470A | LT3743 1, Non-Isolated Output LED Driver Evaluation Board | 
Package
| Part Number | Description | 
|---|---|
| LT3743IUFD#TRPBF | LED Driver IC 1 Output DC DC Controller Step-Down (Buck) PWM Dimming 28-QFN (4x5) | 
Shipping
- FedEx, DHL, and UPS can be selected.
 - You can select whether to charge shipping fee by your shipping account or to charge by our side.
 - Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
 - The shopping cart will automatically calculate the shipping cost.
 - Delivery time: At the same day (Order deadline is 2pm, HK Time).
 - Delivery date: usually 2 to 7 working days.
 - It is unable to appoint a date of delivery.
 - Tracking number will be sent once your order has been shipped. (Package Tracking) (It may take up to 24 hours before carriers display the info.)
 
Payment
- PayPal, Credit Card, TT in advance (bank transfer), Western Union can be chosen.
 - Cash transfer only. (Transfer with checks and bills are not accepted.)
 - Customer is responsible for paying all possible charges, including sales tax, VAT and customs charges,etc.
 - If you need the detailed invoice or tax ID, please email us.