ITEM NAME:3* Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V YPI Descriptio n Specifications: Model Name: Mini-360 (Ultra-Small Dc-Dc Synchronous Rectifier Buck Module) Module Nature: Non-Isolated Buck Rectifier Mode: Synchronous Rectifier Input Voltage: 4.75v-23v Output Voltage: 1.0v-17v Output Current: Peak 3A, Long Time 1.8a Conversion Efficiency: 96%(High) Switching Frequency: 340KHz Output Ripple: 30mV(No Load) Load Adjustment Rate: Â ±0.5% Voltage Adjustment Rate: Â ±2.5% Operating Temperature: -40℃ To +85℃ Peripheral Dimension: 17*11*3.8 (Length * Width * Height) (mm) Package Included: 3 * Modules Honesty is gold for all! 3pcs Mini360 3A DC Voltage Step Down Power Converter Buck Module 3.3V 5V 9V 12V