Use integrally molded power inductor and synchronous rectifier control chip, smaller and more efficient. Suitable for aircraft HM DC-DC buck module (support 2S ~ 5S polymer lithium battery), DIY mobile power, car power supply, communication equipment, power supply, etc. Type: Buck Down Module Module Properties: Non-isolated Buck-down Module (BUCK) Rectification: Synchronous Rectification Input Voltage: DC 4.75V-23V Output Voltage: DC 1.0V-17V (Adjustable, Output < Input) Output Current: Rated Current 1.8A (3A MAX, can not be prolonged) Conversion Efficiency: 96%(Highest) Switching Frequency: 340KHz. Output Ripple: 30mV(No-load) Load Regulation: ±0.5% Voltage Regulation: ±2.5% Operating Temperature: Industrial (-40℃ ~ +85℃) Short Circuit Protection: No (Please do not short-circuit) Input Reverse Protection: No (Can not be reversed) Application: Aircraft HM DC-DC Buck Module (Support 2S ~ 5S Polymer Lithium Battery), DIY Power, Bank, Car Power Supply, etc Features: Automatic Power Off Protection, Intelligent Regulator Chip, High Effect, Adjustable Potentiometer Dimension (L x W x H): 17mm x 11mm x 3.8mm/0.67" x 0.43" x 0.15" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Buck Down Module