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generic LM2596 3A DC-DC Buck Converter
Workhorse adjustable buck. Quiescent current is high (~5 mA) — kills coin-cell projects. Adjust output before connecting load.
Specifications
- voltage in v
- 4-40
- voltage out v
- 1.25-37adjustable
- current max ma
- 3000
- chemistry
- none
- protection
- none
Sources
- SparkFun open product catalog · ingest 2026-05-06