# LT3743EUFD\#PBF (Component)

## Description

LED Drivers
LT3743EUFD\#PBF
QFN\-28\_L5\.0\-W4\.0\-P0\.50\-BL\-EP
LCSC Part Number: C107891
JLCPCB Part Class: Extended Part
Manufactured by ADI\(亚德诺\) 

## Component Details

- **Owner:** lcsc
- **Created:** 10/10/2024
- **Last Updated:** 4/29/2025
- **Visibility:** Public
- **Package or Case Code:** QFN\-28\_L5\.0\-W4\.0\-P0\.50\-BL\-EP
- **Manufacturer Name:** ADI\(亚德诺\)
- **Manufacturer Part Number:** LT3743EUFD\#PBF
- **JLCPCB Part Class:** Extended Part
- **Product Info Url:** https://lcsc\.com/product\-detail/LED\-Drivers\_LINEAR\_LT3743EUFD\-PBF\_LT3743EUFD\-PBF\_C107891\.html
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_Analog\-Devices\-LT3743EUFD\-PBF\_C107891\.pdf
- **Part Type:** LED Drivers
- **LCSC Part Number:** C107891

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/lt3743eufdpbf/analog-devices?region=europe) | $15\.1915 | 27 |
| [Digi\-Key](https://www.digikey.com/en/products/detail/analog-devices-inc/LT3743EUFD-PBF/2188325) | $16\.17 | 146 |
| [HQonline](https://www.hqonline.com/product-detail/led-lighting-drivers-linear-lt3743eufd-pbf-1001474402) | $20\.13682 | 10 |
| [LCSC](https://www.lcsc.com/product-detail/C107891.html) | $17\.6844 | 0 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Analog-Devices/LT3743EUFDPBF?qs=hVkxg5c3xu8WtP5iSis86Q%253D%253D) | $17\.58 | 1\.4K |
| [Verical](https://www.verical.com/pd/analog-devices-led-driver-LT3743EUFD-PBF-6023470?utm_currency=USD) | $14\.3407 | 27 |

- **Part Type:** Optoelectronic Devices
- **Manufacturer:** ADI
- **MPN:** LT3743EUFD\#PBF
- **Mount Type:** PCB
- **Package / Case Code:** 28\-QFN
- **Pin Count:** 29
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | GND | Unspecified |
| 2 | EN/UVLO | Unspecified |
| 3 | VREF | Unspecified |
| 4 | CTRL\_T | Unspecified |
| 5 | GND | Unspecified |
| 6 | CTRL\_H | Unspecified |
| 7 | CTRL\_L | Unspecified |
| 8 | SS | Unspecified |
| 9 | GND | Unspecified |
| 10 | FB | Unspecified |
| 11 | SENSE\+ | Unspecified |
| 12 | SENSE– | Unspecified |
| 13 | VCL | Unspecified |
| 14 | VCH | Unspecified |
| 15 | RT | Unspecified |
| 16 | SYNC | Unspecified |
| 17 | CTRL\_SEL | Unspecified |
| 18 | PWM | Unspecified |
| 19 | PWMGH | Unspecified |
| 20 | GND | Unspecified |
| 21 | GND | Unspecified |
| 22 | PWMGL | Unspecified |
| 23 | HG | Unspecified |
| 24 | SW | Unspecified |
| 25 | CBOOT | Unspecified |
| 26 | LG | Unspecified |
| 27 | VCC\_INT | Unspecified |
| 28 | VIN | Unspecified |
| 29 | EP | Unspecified |

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*Generated from [https://flux\.ai/lcsc/lt3743eufdpbf\~nazj](https://flux.ai/lcsc/lt3743eufdpbf~nazj)*