ITEM NAME:DC 7V-24V To DC 5V 3A USB Output Converter Step Down Module KIS-3R33S Description: - Input voltage: DC 7- 24V - Output voltage: DC 5V - Output current: 3A (max) - Conversion efficiency: 96% (MAX) - Switching frequency: 340KHz - Output ripple: 30mV (max). - Load regulation: Â ± 0.5%. - Voltage regulation: Â ± 2.5%. - Operating Temperature: -40 Â ° C to +85 Â ° C. - With Overcurrent Protection. - Size: approx. 60 x 21 x 14mm Package Included: 1 Piece Power Supply Step Down Module.Output current: 3A (max). - Load regulation: Â ± 0.5%. - Output ripple: 30mV (max).