Heart & Industry

Home · Electronic components · Pimoroni

SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)

SparkFun BabyBuck Regulator Breakout - 3.3V (AP63203)

Pimoroni

£4

Featuring the AP63203 from Diodes Inc, this breakout board takes advantage of a 2A synchronous buck converter that has a wide input voltage range of 3.8V to 32V and fully integrated 125mΩ high-side power MOSFET/68mΩ lowside power MOSFET to provide high-efficiency step-down DC/DC conversion. All of this snuggled up in a low-profile, TSOT26 package that's integrated into a 0.4in by 0.5in board. Unlike it's sibling, the BabyBuck sacrifices power option flexibility for space. Don't worry, though, because you can still use the plated through holes for input and output power. With some simple right-

Pimoroni's own words, read from their page.

Buy from PimoroniOut of stock. Price seen 2026-09-05. Affiliate link.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.