SparkFun BabyBuck Regulator Breakout - 5V (AP63357)
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Step a higher supply voltage down to five volts using this compact BabyBuck board. The AP63357 synchronous converter is configured for a six-to-thirty-two-volt board input range, with an enable connection for control. A rear copper pad supports additional heat dissipation, and four through-hole power connections keep the assembly compact.
Before you buy
Review current and thermal limits under the intended load; IC ratings do not guarantee full output in every installation.
SparkFun SKU: COM-21256 · Category: DC-DC power regulators
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Official product specifications and documentation
EAR summary based on supplier documentation; this is not a hands-on review. Product identity rechecked during the October 25, 2026 sprint. Current SparkFun Originals eligibility was verified with the supplier’s Original: Yes filter during the October 25, 2026 sprint. Affiliate eligibility remains subject to SparkFun's program terms.