LM2596S DC-DC Adjustable Buck Converter Module Voltage RegularInput voltage :4V ~ 35V The output voltage : 1.23V ~ 30V Output Current :3A( Max) Conversion efficiency:92%( MAX ) Output ripple: Switching frequency: 65KHz Working temperature: -45~ +85CSize :43mm x 21mm x 14mm(LongxWidthxHeight)IN+ Input Positive IN- Input Negative OUT+ Output Positive OUT-Output Negative Input voltage range: DC 3.2V to 40V (The input voltage should be more than 1.5V higher than the output voltage. Can not be boosted)Output voltage range: DC 1.25V to 35V voltage continuously adjustable, high efficiency (92%) output current of 3A.Actual measurement of 12V input, 5V output current 1A when the load regulation rate is less than 1%Note: This is a buck module, the input voltage should be higher than the output voltage.Output current greater than 2.5A (or output power greater than 10W) long working hours, please add a heat sink.Translated with www.DeepL.com/Translator (free version)