# MP9943GQ-Z (Component) ## Description High-Efficiency 3A Peak 36V Synchronous Step Down Converter with Power Good #ultralibrarian ## Component Details - **Owner:** monolithicpower - **Created:** 2/26/2024 - **Last Updated:** 2/26/2024 - **Visibility:** Public - **Product Image Url:** https://www.monolithicpower.com/pub/media/catalog/product/M/P/MP9943_1026_1.jpg - **Package or Case Code:** QFN-8_MP9943_MNP - **Product Info Url:** https://www.monolithicpower.com/en/catalog/product/view/id/1026?utm_source=ultralibrarian&utm_medium=component_search&utm_campaign=listing - **Manufacturer Part Number:** MP9943GQ-Z - **Manufacturer Name:** Monolithic Power Systems - **Datasheet URL:** https://www.monolithicpower.com/en/documentview/productdocument/index/version/2/document_type/Datasheet/lang/en/sku/MP9943GQ-Z - **Used in:** 8 projects - **Forks:** 1 ## 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/mp9943gq-z/monolithic-power-systems.html?utm_currency=USD&region=nac) | N/A | N/A | | [Digi-Key](https://www.digikey.com/en/products/detail/monolithic-power-systems-inc/MP9943GQ-Z/5292904) | N/A | N/A | | [LCSC](https://www.lcsc.com/product-detail/dc-dc-converters_monolithic-power-systems-mp9943gq-z_C477821.html) | $2.7833 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Monolithic-Power-Systems-MPS/MP9943GQ-Z?qs=493kPxzlxfKVcyEndxwGRg%3D%3D) | $2.28 | 0 | - **MPN:** MP9943GQ-Z - **Package / Case Code:** QFN - **Pin Count:** 8 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | FB | | | 2 | VCC | | | 3 | EN/SYNC | | | 4 | BST | | | 5 | GND | | | 6 | SW | | | 7 | IN | | | 8 | PG | | --- *Generated from [https://www.flux.ai/monolithicpower/mp9943gq-z](https://www.flux.ai/monolithicpower/mp9943gq-z)*