1: Brand new original XLSEMI chip to eliminate counterfeit and disassemble chips.2: Imported chip electrolytic capacitors, not domestically produced capacitors.3: Up to 220Khz operating frequency, and LC filter circuit, the output ripple is very low.4: Import TDK inductors to minimize heat and interference.6: Input and output 3 MLCC multilayer ceramic capacitors for improved immunity to interference.7: The PCB uses kb A-grade sheet material to prevent cardboard and garbage boards.8: Built-in MOSFET, say goodbye to the LM2577 built-in transistor, can achieve 94% high efficiency.9: Added enable port to control whether the boost circuit works.Module parameterModule nature: non-isolated boost module (BOOST)Input voltage: 5-32VOutput voltage: (1) continuously adjustable (5-50V) (2) Fixed output (arbitrary choice between 5-50V), please tell the shopkeeper when purchasing. (3) If you need higher voltage, please contact me directly. Output current: 2.5A (MAX)Input current: 4A (MAX) Click here for 5A currentOutput power: natural cooling 15W, plus heat sink 25W (MAX) actual power Maximum output power = input voltage * 4A * conversion efficiencyConversion efficiency: measuring the working efficiency of common voltage and current (the following is for reference only)