# LM5145RGYT (Component) ## Description Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-VQFN (3.5x4.5) #commonpartslibrary #integratedcircuit ## Component Details - **Owner:** adrian95 - **Created:** 7/26/2022 - **Last Updated:** 3/5/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Part Number:** LM5145RGYT - **Manufacturer Name:** Texas Instruments - **Datasheet URL:** https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm5145 - **Part Type:** Integrated Circuit - **Used in:** 60 projects ## 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/lm5145rgyt/texas-instruments.html?utm_currency=USD&region=nac) | N/A | N/A | | [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/LM5145RGYT/7400100) | $5.30 | 599 | | [LCSC](https://www.lcsc.com/product-detail/C2650259.html) | $1.7058 | 87 | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/LM5145RGYT?qs=gt1LBUVyoHkEyY9rcVQHPw%3D%3D) | $4.77 | 3.2K | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** LM5145RGYT - **Package / Case Code:** 20-VQFN - **Pin Count:** 21 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | EN_UVLO | | | 2 | RT | | | 3 | SS_TRK | | | 4 | COMP | | | 5 | FB | | | 6 | AGND | | | 7 | SYNCOUT | | | 8 | SYNCIN | | | 9 | NC | | | 10 | PGOOD | | | 11 | ILIM | | | 12 | PGND | | | 13 | LO | | | 14 | VCC | | | 15 | EP | | | 16 | NC | | | 17 | BST | | | 18 | HO | | | 19 | SW | | | 20 | VIN | | | 21 | EP | | --- *Generated from [https://www.flux.ai/adrian95/lm5145rgyt~jo1](https://www.flux.ai/adrian95/lm5145rgyt~jo1)*