# LM2678S-ADJ/NOPB (Component) ## Description Buck Switching Regulator IC Positive Adjustable 1.21V 1 Output 5A TO-263-8, D²Pak (7 Leads + Tab), TO-263CA #Commonpartslibrary #Integratedcircuit #Powermanagement #Voltageregulator #LM2678 ## Component Details - **Owner:** jecstronic - **Created:** 9/28/2023 - **Last Updated:** 9/28/2023 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Manufacturer Name:** Texas Instruments - **Manufacturer Part Number:** LM2678S-ADJ/NOPB - **Datasheet URL:** https://www.ti.com/lit/ds/symlink/lm2678.pdf - **Part Type:** Power Management - **Used in:** 11 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/lm2678s-adjnopb/texas-instruments.html?utm_currency=USD&region=nac) | N/A | N/A | | [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/LM2678S-ADJ-NOPB/363826) | $6.69 | 853 | | [LCSC](https://www.lcsc.com/product-detail/C1356421.html) | $5.243 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/LM2678S-ADJ-NOPB?qs=X1J7HmVL2ZH7NNbF47L5nQ%3D%3D) | $8.24 | 955 | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=LM2678S-ADJ%2FNOPB) | $7.52 | 45 | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** LM2678S-ADJ/NOPB - **Package / Case Code:** TO-263 - **Pin Count:** 8 - **Logic Function:** Monitor ## Pins | Pin | Name | Type | |-----|------|------| | 1 | Switch_output | | | 2 | Input | | | 3 | CB | | | 4 | GND | | | 5 | NC | | | 6 | FB | | | 7 | ON/~OFF~ | | | 8 | MNT_PAD | | --- *Generated from [https://www.flux.ai/jecstronic/lm2678s-adjnopb](https://www.flux.ai/jecstronic/lm2678s-adjnopb)*