# LM2679 5V Reference Design Polygon ## Description This LM2679SX-ADJ reference design is a step-down voltage regulator providing a stable 5V output from a higher input voltage. Ideal for applications needing a regulated 5V supply. #referenceDesign #project #stepDown #voltageRegulator #5V #LM2679SX-ADJ #LM2679-ADJ #LM2679 #powermanagement #texas-instruments #template #reference-design ## Project Details - **Owner:** vasy_skral - **Created:** 6/10/2025 - **Last Updated:** 3/6/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 3 ## Key Components ### D1 — [PMEG6045ETPX](https://www.flux.ai/jecstronic/pmeg6045etpx~49y.md) - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Nexperia USA Inc. - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/PMEG6045ETP.pdf - Manufacturer Part Number: PMEG6045ETPX **Pins:** - A [pin 2] - K [pin 1] ### U1 — [LM2679SX-ADJ/NOPB](https://www.flux.ai/vasy_skral/lm2679sx-adjnopb~ujt.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm2679.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Texas Instruments - Manufacturer Part Number: LM2679SX-ADJ/NOPB **Pins:** - CB [pin 3] - CURRENT_ADJUST [pin 5] - DAP [pin 8] - FB [pin 6] - GND [pin 4] - INPUT [pin 2] - SS [pin 7] - SWITCH_OUTPUT [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/lm2679-5v-reference-design-polygon~3r](https://www.flux.ai/vasy_skral/lm2679-5v-reference-design-polygon~3r).* --- *Generated from [https://www.flux.ai/vasy_skral/lm2679-5v-reference-design-polygon~3r](https://www.flux.ai/vasy_skral/lm2679-5v-reference-design-polygon~3r)*