# Buck converter ## Description This is a voltage regulator steps down a DC of up to 40V to 3.3V current 3A ## Project Details - **Owner:** peakon28 - **Created:** 5/18/2025 - **Last Updated:** 5/24/2025 - **Visibility:** Public - **Max Output Voltage:** 3.3V - **Max Input Voltage:** 20V - **Max Output Current:** 3A - **Copies:** 1 ## Key Components ### D1 — [Schottky Rectifier Diode](https://www.flux.ai/corynrobinson/schottky-rectifier-diode~zu.md) - Current: 3A - Package or Case Code: D_SMA - Manufacturer Part Number: SSA33L-E3/61T - Forward Voltage: 450mV - Purchase Url: https://octopart.com/ssa33l-e3%2F61t-vishay-39552932 - Breakdown Voltage: 30V - Datasheet URL: https://octopart.com/datasheet/ssa33l-e3%2F61t-vishay-39552932 - Manufacturer Name: Vishay - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### J1 — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm~h4.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### J2 — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm~h4.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### U1 — [LM2596DSADJR4G](https://www.flux.ai/adrian95/lm2596dsadjr4g~ly6.md) - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/lm2596-d.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LM2596DSADJR4G - Part Type: Integrated Circuit **Pins:** - ~ON~/OFF [pin 5] - EPAD [pin 6] - FB [pin 4] - GND [pin 3] - OUT [pin 2] - VIN [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/peakon28/buck-converter~8p](https://www.flux.ai/peakon28/buck-converter~8p).* --- *Generated from [https://www.flux.ai/peakon28/buck-converter~8p](https://www.flux.ai/peakon28/buck-converter~8p)*