General description This 24PCS MP1584 DC-DC Step Down Power Supply Module is an ultra-low DC-DC step-down converter designed for various applications including DIY mobile power supplies, monitoring power supplies, children's car power supplies, camera power supplies, vehicle power supplies, and communication equipment. It is particularly suitable for situations with strict volume and weight requirements, such as in model aircraft. Technical specifications Input Voltage: 4.5V~28V Output Voltage: 0.8V ~ 20V Output Current: 3A Conversion Efficiency: 92% Output Ripple: Less than 30mV Switching Frequency: 1.5MHz (High), 1MHz Typical Operating Temperature: -45°C~ +85°C Size: 22mm x 17mm x 4mm (L * W * H) Material: PC + Metal Color: Green + Black Usage Adjust the output voltage using a multimeter and a screwdriver to turn the potentiometer. Ensure the output voltage is stable before using the module to prevent damage. Do not operate under load (less than 10% of the output power) or without