Brand new and high quality <br>LM2596 DC-DC Step Down CC-CV Adjustable Power Supply Module <br>High performance<br>Short circuit protection <br>Based on well kown LM2596 switching regulator <br><br>Input: 4V-35V<br>Output: 1.23V-30V <br>Output current: rated 2A (MAX. 3A) <br>Conversion efficiency: up to 92% <br>Switch frequency: 150KHz <br>Output wave: 30mV (MAX.) <br>Load regulation: ± 0.5%<br>Voltage regulation: ± 2.5%<br>Working temperature: -40 to 85 degrees C<br>Size: about 48*23*14 mm <br>Input and output ports included <br>1 x LM2596 module<br /><img src="http://img6.eachbuyer.com/x1/p69/i341_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p69/i341_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p69/i341_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p69/i341_4.jpg" />