YABOANG DC USB-A Transformer 10-90V to 5V 3A 15W Step Down Converter,Waterproof Buck Transformer Auto Step-down Module for Golf Cart/Electric scooter/Truck- DC Buck Converters

• Rated input voltage 12/24/36/48/60/72/84V, input range: 10V to 90V; output voltage: DC step-down 5V 3A 15W
• Adopts synchronous rectification technology to improve conversion efficiency, maximum efficiency: ≥95%; ripple wave: 200Mv;
• Intelligent chip automatic voltage reduction with intelligent overcurrent/overload/low load/short circuit/overheating protection function
• IP67 waterproof classification, compact aluminium housing, epoxy resin casing, 100% waterproof, dustproof, shockproof, improved heat dissipation performance
• These power step-downs are rugged transformers capable of safe and reliable operation from -20 to 65°.

A. Test the environmental conditions B. Unless otherwise specified, tests under this specification shall be conducted under the standard atmospheric conditions tested C. temperature: 15℃~35℃. D. Relative humidity: 45%~75%. E. The instrument accuracy of the measured voltage must not be less than 0.5 levels and the internal resistance must not be less than 10 KΩ/V. F. The accuracy of the current measuring instrument shall not be less than 0.5 level. G. The accuracy of the temperature measuring instrument shall not be less than ± 1℃. Input range: 10-90V Rated input voltage: 10-90V transfer efficiency: 95% input line: 15-16CM (R+ B-) output voltage: 5V output: 3A MAX maximum output: 15W MAX no-load adjustment rate: 1% load regulation rate: 2% idle dissipation:≤10MA Do not use it near a heat source (such as a fire or heater). Do not connect the input line to 220V electricity. Do not put the product in a fire and do not heat it. Do not short-circuit the positive and negative poles of the product with wires or other metal objects. It is forbidden for non-professional personnel to disassemble and repair the product themselves.