ITEM NAME:10X LM2596 DC-DC adjustable step-down Power Supply Converter module P~TPAU3C Feature 100% brand new and high quality Description DC-DC step-down power module Name / number LM2596S DC-DC step-down module Input voltage 3.2V ~ 40V Output voltage 1.25V ~ 35V Output current 3A (max) Conversion efficiency of 92% (maximum) Output ripple