# LM3481QMMX Reference design ## Description This is a boost converter board based on LM3481 with 5V input and 12V 1.8A output voltage #dcdc #boost #ti #power #referenceDesign #powermanagement #texas-instruments #template #reference-design ## Project Details - **Owner:** vasyl - **Created:** 5/22/2023 - **Last Updated:** 6/11/2025 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 13 ## Key Components ### D1 — [MBRA130LT3](https://www.flux.ai/adrian95/mbra130lt3~cp.md) - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MBRA130LT3 - Manufacturer Name: onsemi - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/ON%20Semiconductor%20PDFs/MBRA130LT3-Rev7.pdf **Pins:** - ANODE [pin 1] - CATHODE [pin 2] ### IC1 — [LM3481QMMX/NOPB](https://www.flux.ai/vasyl/lm3481qmmxnopb~0xj.md) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm3481 - Part Type: Switching Controller - Manufacturer Part Number: /NOPB - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - AGND [pin 5] - COMP [pin 3] - DR [pin 8] - FA/SYNC/SD [pin 6] - FB [pin 4] - ISEN [pin 1] - PGND [pin 7] - UVLO [pin 2] - VCC [pin 9] - VIN [pin 10] ### Q1 — [IRF7807](https://www.flux.ai/vasyl/irf7807~dx.md) - Manufacturer Part Number: IRF7807 - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Infineon%20PDFs/IRF7807(A).pdf - Part Type: Single FETs, MOSFETs - Manufacturer Name: Infineon Technologies - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasyl/lm3481qmmx-reference-design~wyb](https://www.flux.ai/vasyl/lm3481qmmx-reference-design~wyb).* --- *Generated from [https://www.flux.ai/vasyl/lm3481qmmx-reference-design~wyb](https://www.flux.ai/vasyl/lm3481qmmx-reference-design~wyb)*