ITEM NAME:DC-DC Converter 5V-23V to 3.3V 5V 9V 12V 3A Step Down Power Supply Module OS 100% brand new and high quality. MP1484EN DC-DC Model aircraft Buck power supply module, synchronous rectification, voltage conversion, ultra-small size. Applications: Model aircraft dedicated DC-DC buck module (support 2S ~ 5S lithium polymer), DIY mobile power, automotive power supply, communications equipment, power, all kinds of size and weight are demanding requirements of the occasion. Specifications: Model Name: MP1484EN Module nature: non-isolated buck Rectification: synchronous rectification Input voltage: 4.75V-23V Output voltage: 1.0V-17V Output current: peak 3A, long time 1.8A Conversion efficiency: 96% (highest) Switching frequency: 340KHz Output ripple: 30mV (no load) Load regulation: ± 0.5% Voltage regulation: ± 2.5% Operating temperature: -40 ℃ to +85 ℃ External dimensions: 22.3 * 17.5 * 4 (L * W * H) (mm) Package Included: 1 x Mini DC-DC Step-down Module.Module nature: non-isolated buck. Output ripple: 30mV (no load). 1 x Mini DC-DC Step-down Module. Load regulation: ± 0.5%. Conversion efficiency: 96% (highest).