# LM2678SD-5.0 (Component)
## Description
Buck Switching Regulator IC Positive Fixed 5V 1 Output 5A 14-VDFN Exposed Pad #CommonPartsLibrary #VoltageRegulator #SwitchingRegulator #LM2678
## Component Details
- **Owner:** vasy_skral
- **Created:** 5/5/2023
- **Last Updated:** 1/21/2025
- **Visibility:** Public
- **Manufacturer Name:** Texas Instruments
- **Manufacturer Part Number:** LM2678SD-5.0/NOPB
- **Part Type:** Integrated Circuit
- **Datasheet URL:** https://www.ti.com/lit/ds/symlink/lm2678.pdf
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Used in:** 78 projects
- **Stars:** 1
- **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/lm2678sd-5.0nopb/texas-instruments.html?utm_currency=USD®ion=nac) | $4.25 | 35 |
| [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/LM2678SD-5-0-NOPB/723195) | $7.00 | 1.4K |
| [LCSC](https://www.lcsc.com/product-detail/C2070784.html) | $9.2564 | 20 |
| [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/LM2678SD-5.0-NOPB?qs=X1J7HmVL2ZHa7qYheQZ68w%3D%3D) | $8.24 | 331 |
| [Verical](https://www.verical.com/pd/national-semiconductor-dc-dc-converter-LM2678SD-5-0-NOPB-55531?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** Texas Instruments
- **MPN:** LM2678SD-5.0/NOPB
- **Pin Count:** 15
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | NC | |
| 2 | VIN_2 | |
| 3 | VIN | |
| 4 | BOOST | |
| 5 | NC_4 | |
| 6 | NC_5 | |
| 7 | FB | |
| 8 | ON/~OFF | |
| 9 | GND | |
| 10 | NC_2 | |
| 11 | NC_3 | |
| 12 | SW_2 | |
| 13 | SW_3 | |
| 14 | SW | |
| 15 | EP | |
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*Generated from [https://www.flux.ai/vasy_skral/lm2678sd-5p0~8m](https://www.flux.ai/vasy_skral/lm2678sd-5p0~8m)*