# L5973D (Component) ## Description 2.5A step down switching regulator, HSOP-8 step down buck regulator HSOP*EP*3.9x4.9mm*P1.27mm* ## Component Details - **Owner:** kicad-part-library - **Created:** 9/27/2024 - **Last Updated:** 9/27/2024 - **Visibility:** Public - **Package or Case Code:** HSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.1mm_ThermalVias - **Manufacturer Part Number:** L5973D - **Datasheet URL:** http://www.st.com/resource/en/datasheet/l5973d.pdf - **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/l5973d/stmicroelectronics?utm_currency=USD&region=europe) | $2.5297 | 1.1K | | [Digi-Key](https://www.digikey.com/en/products/detail/stmicroelectronics/L5973D/1663375) | $2.55 | 9.8K | | [LCSC](https://www.lcsc.com/product-detail/C21829.html) | $4.9145 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/L5973D?qs=sps7W%2FwBcGF6zlwRWaKpEQ%3D%3D) | $2.22 | 4.3K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=L5973D) | $2.09 | 2.1K | | [Verical](https://www.verical.com/pd/stmicroelectronics-dc-dc-converter-L5973D-112263?utm_currency=USD) | N/A | N/A | - **MPN:** L5973D - **Package / Case Code:** Other - **Pin Count:** 9 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | OUT | | | 2 | SYNC | | | 3 | INH | | | 4 | COMP | | | 5 | FB | | | 6 | VREF | | | 7 | GND | | | 8 | VCC | | | 9 | EP | | --- *Generated from [https://www.flux.ai/kicad-part-library/l5973d](https://www.flux.ai/kicad-part-library/l5973d)*