# LM2596SX-3.3/NOPB (Component) ## Description Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 3A TO-263-6, D2PAK (5 Leads + Tab), TO-263BA #commonpartslibrary #integratedcircuit #powermanagement #voltageregulator ## Component Details - **Owner:** adrian95 - **Created:** 5/19/2025 - **Last Updated:** 5/19/2025 - **Visibility:** Public - **Datasheet URL:** https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm2596 - **Manufacturer Name:** Texas Instruments - **Manufacturer Part Number:** LM2596SX-3.3/NOPB - **License:** https://creativecommons.org/licenses/by/4.0/ - **Part Type:** Integrated Circuit - **Used in:** 42 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/lm2596sx-3.3nopb/texas-instruments?utm_currency=USD&region=asia) | N/A | N/A | | [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/LM2596SX-3-3-NOPB/366832) | N/A | N/A | | [HQonline](https://www.hqonline.com/product-detail/dc-dc-power-supply-chips-ti-lm2596sx-3-3-nopb-1000273772) | $2.07786 | 497 | | [LCSC](https://www.lcsc.com/product-detail/C7929.html) | $1.9499 | 1.1K | | [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/LM2596SX-3.3-NOPB?qs=X1J7HmVL2ZEm4UYTFC0WWA%3D%3D) | $6.00 | 2.1K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=LM2596SX-3.3%2FNOPB) | $5.68 | 500 | | [Verical](https://www.verical.com/pd/national-semiconductor-dc-dc-converter-LM2596SX-3-3-NOPB-134247?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** LM2596SX-3.3/NOPB - **Package / Case Code:** TO-263 - **Pin Count:** 6 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | VIN | | | 2 | OUT | | | 3 | GND | | | 4 | FB | | | 5 | ON/OFF | | | 6 | GND | | --- *Generated from [https://www.flux.ai/adrian95/lm2596sx-3p3nopb~8n7](https://www.flux.ai/adrian95/lm2596sx-3p3nopb~8n7)*