# LT3743EUFD#PBF (Component) ## Description LED Driver IC 1 Output DC DC Controller Step-Down (Buck) PWM Dimming 28-QFN (4x5) #commonpartslibrary #integratedcircuit #leddriver ## Component Details - **Owner:** adrian95 - **Created:** 9/16/2024 - **Last Updated:** 9/20/2024 - **Visibility:** Public - **Part Type:** Integrated Circuit - **Datasheet URL:** https://www.analog.com/media/en/technical-documentation/data-sheets/3743fe.pdf - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Part Number:** LT3743EUFD#PBF - **Manufacturer Name:** Analog Devices Inc. - **Used in:** 1 project ## 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) | N/A | N/A | | [Digi-Key](https://www.digikey.com/en/products/detail/analog-devices-inc/LT3743EUFD-PBF/2188325) | $13.96 | 819 | | [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) | $17.1221 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Analog-Devices/LT3743EUFDPBF?qs=hVkxg5c3xu8WtP5iSis86Q%3D%3D) | $16.89 | 0 | | [Verical](https://www.verical.com/pd/analog-devices-led-driver-LT3743EUFD-PBF-6023470?utm_currency=USD) | $7.5429 | 27 | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Analog Devices - **MPN:** LT3743EUFD#PBF - **Package / Case Code:** 28-QFN - **Pin Count:** 29 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | GND_1 | | | 2 | EN/UVLO | | | 3 | VREF | | | 4 | CTRL_T | | | 5 | GND_2 | | | 6 | CTRL_H | | | 7 | CTRL_L | | | 8 | SS | | | 9 | GND_3 | | | 10 | FB | | | 11 | SENSE+ | | | 12 | SENSE- | | | 13 | VCL | | | 14 | VCH | | | 15 | RT | | | 16 | SYNC | | | 17 | CTRL_SEL | | | 18 | PWM | | | 19 | PWMGH | | | 20 | GND_4 | | | 21 | GND_5 | | | 22 | PWMGL | | | 23 | HG | | | 24 | SW | | | 25 | CBOOT | | | 26 | LG | | | 27 | VCC_INT | | | 28 | VIN | | | 29 | GND_6 | | --- *Generated from [https://www.flux.ai/adrian95/lt3743eufdpbf~z38](https://www.flux.ai/adrian95/lt3743eufdpbf~z38)*