Overview:  The module uses high-quality chips, high efficiency (up to 95%), low heat generation, maximum 5A current, and TI's op-amp control output current, making the overall output very stable.  This module uses a low-ESR filter capacitor to reduce ripple voltage to 50mV      Features:  Module nature: non-isolated buck module.  Rectification mode: asynchronous rectification.  Wiring port: Input mode: IN+ input positive, IN- input negative.  Output mode: OUT+ output positive, OUT-output negative.  Input voltage: DC 5V-32V.  Output voltage: DC 0.8V-30V.  Output current: Adjustable , Max 5A.  Conversion efficiency: 95% (maximum).  Switching frequency: 300KHz.  Output ripple: 50mV (maximum) 20M bandwidth.  Load adjustment rate: +/-0.5%.  Voltage regulation rate: +/- 2.5%.  Operating temperature: -40 to +85°C.   Size: 51 x 26.3 x 14 (length x width x height) (mm).     Package Included:  3 x DC-DC 5A Adjustable Buck Regulator Power Supply Module