LM2596 DC-DC Buck Converter Step-DownPower Supply ModuleMain Features• Input Voltage:3.2V ~ 40V• Output Voltage: 1.25V ~35V(Adjustable)Output Current: s 3AConversion Efficiency: s 92%Output Ripple:Switching Frequency: 65KHzWorking Temperature: -45°C- +85°CStandard Size: 43.2mmx