Module ParametersModule properties: non-isolated buck; synchronous rectification; Input voltage: 4.75V-23V;Output voltage: 1.0V-17V; Max output current: 3A Higher EfficiencyThese mini 360 3A dc-dc voltage step down power converter use integrally molded power inductor and synchronous rectifier control chip, smaller and more efficient(96% max) Adjustable Mini 360 Buck ConverterThe module can change the voltage by adjusting the precision resistance on the module. Up to 17V. Voltage regulation: ±2.5%(The adjustable resistor rotates clockwise to step down, counterclockwise to step up) Wide ApplicationThe mini 360 module is suitable for DIY supplies, LED lights, micro-controllers, battery chargers, and most low power devices, 340 KHz switching frequency Package Includes20pcs of MP2307DN mini 360 3a dc-dc voltage step down power converter buck module, high efficiency, ultra-compact size, high frequency