# 12v - 5v converter placeholder
## Description
This project involves designing a DC-DC buck converter circuit to efficiently step down a 12V input voltage to a stable 5V output voltage. The converter is suitable for various electronic applications requiring 5V DC supply from a 12V source.
## Project Details
- **Owner:** dimagre
- **Created:** 11/24/2024
- **Last Updated:** 1/23/2025
- **Visibility:** Public
- **Forks:** 3
## Key Components
### D1 — [SMBJ28A](https://www.flux.ai/adrian95/smbj28a~3c7.md)
- Manufacturer Name: Littelfuse Inc.
- Manufacturer Part Number: SMBJ28A
- Part Type: Diode
- Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_smbj_datasheet.pdf.pdf
- License: https://creativecommons.org/licenses/by/4.0/
**Pins:**
- A [pin 2]
- K [pin 1]
### IC1 — [TPS5430DDA](https://www.flux.ai/vasy_skral/tps5430dda~xwm.md)
- Manufacturer Name: Texas Instruments
- Manufacturer Part Number: TPS5430DDA
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftps5431
- Part Type: Integrated Circuit
**Pins:**
- BOOT [pin 1]
- EN [pin 5]
- GND [pin 6]
- GNDPAD [pin 9]
- NC [pin 3]
- NC [pin 2]
- PH [pin 8]
- VIN [pin 7]
- VSENSE [pin 4]
### U1 — [S-LMBR340FT1G](https://www.flux.ai/lcsc/s-lmbr340ft1g~u03g.md)
- Manufacturer Part Number: S-LMBR340FT1G
- Package or Case Code: SOD-123FL_L2.7-W1.8-LS3.8-RD
- Manufacturer Name: LRC(乐山无线电)
- LCSC Part Number: C2972823
- JLCPCB Part Class: Extended Part
- Part Type: Schottky Barrier Diodes (SBD)
**Pins:**
- A [pin 2]
- C [pin 1]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dimagre/12v-5v-converter-placeholder~il](https://www.flux.ai/dimagre/12v-5v-converter-placeholder~il).*
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