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Buck Converter - 8-20V to 5V/3A

This is a high grade DC Buck converter that inputs 8 to 12V and outputs 5V up to 3A or 15W. With good thermal performance and protection, this DC block is perfect for battery applications (such as SLAs or LFPs) that need to power a USB or 5V device even while the input is varying (battery charge/discharge). 89% efficiency makes this a high-efficiency, plug and play, DC Step Down solution.

  • Input Voltage: 6 to 20VDC
  • Input Current: 3ADC max
  • Quiescent Current: 12.5mA
  • Efficiency: 89%
  • Output Voltage Accuracy: ±1%
  • Load Regulation: ±2%
  • Ripple: 30mVp-p

Comments

Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • xsk8rat / about 6 months ago / 1

    What's an SLA or a LFP? Thanks, Mark

    • rsp / about 6 months ago * / 3

      Sealed lead acid, Lithium iron phosphate (LiPo).

      Looks like Sparkfun has gotten into selling junk products without evaluating them, joining the race to the bottom with Amazon, Newegg, etc. Too bad.

      • jwshields / about 5 months ago * / 1

        I'm going to purchase this and see how it fares, will report back. But, I agree here, it's sad to see random chinese products that are just... out of place here.

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