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1, the input voltage3-30V,output canbe adjustedbetween1.21V-18V(adjustable rangeforincreasingthe need for greateradjustable resistor), currently inan equal volume ofDC-DCcircuit,few canachieve such a highvoltage.
2, the maximum outputcurrent of3A,2A currentrecommended to usethe following, leavinga certain margin.Withoutfinsand airycase,power up to20Wor so,up to93%efficiency.
3, as is thestep-downDC-DCcircuit, the inputvoltage needs to behigher than output voltage1.5Vor more,in order to ensurethe stability ofthe output voltage.
4,with short circuitoverheatingprotection,outputshort circuitis not afraideven ifthe circuit willautomatically protect!Emptyload, the staticpower consumption is onlyabout6mA.
5,ultra-small size: 37x37x14mm.
Circuit modulefeatures:
PCB boardwith high-qualitydouble-sidedglass epoxyboard,selected high-qualitysurface mountcomponentsensure that the circuitis moresafe and secure work.Usingfully shieldedpower inductorcore inductor,inductorhigh currentto preventotherproblemswhistle;entire boardsingle point groundingto ensurelow ripple,the outputis more stable;boardbacklarge copperthroughthermalviasto connectchip cooling, 2Athe followingwork long hourswithout additionalheat sink;
Note: Ina largecurrent operatingstate, ifthe boardfeelsveryhot, andit shouldimmediatelyinstallthe heat sinkoff,so as to avoidhigh temperaturecircuitburned.

5,ultra-small size: 37x37x14mm.