ITEM NAME:DC-DC 9A 300W Buck Converter 5-40V To 1.2-35V Step Down Power Module fgd VWM Descriptio n Description: 100% brand new and high quality Use a dedicated benchmark IC, and high-precision current sensing resistor, can make more stable constant current High output current, the max output current can reach 9A. Low output ripple , high frequency capacitor reduces output ripple. Suitable for LED driver. Specification: Material: FR4 Color: picture color Size: 6.5 * 4.7 * 2.35 cm Input voltage: 6V to 40V DC (recommended 10V to 40V) Output voltage: 1.2v to 36V DC Output current: 20A (maximum), 15A (recommended) Efficiency: 95% (24V to 12V, 20A) Output ripple: 50mV Connection mode: terminal Short circuit protection: self-recovery (no short circuit for a long time) VO + : the output is positive VO- : output negative number + IN: input positive number -in: enter a negative number CV: output voltage adjustment CC: output current adjustment EN: on, low voltage level off output;Suspension, high pressure level is effective When input and output are grounded together, no-load CV outputs constant voltage and CC outputs constant current The packages include: 1 x 300W 20A constant current adjustable buck converter buck voltage module We offer you what you need! DC-DC 9A 300W Buck Converter 5-40V To 1.2-35V Step Down Power Module.High output current, the max output current can reach 9A. Low output ripple, high frequency capacitor reduces output ripple. We'd like to settle any problem in a friendly manner. Output ripple: 50mV.