Input Voltage: 5-32V (do not exceed 38V); Output Voltage: 0.8-24V (continuously adjustable); Input Current: 0-5A (recommended to use below 3.5A for prolonged operation); Output Power: 75W (maximum). Enhanced cooling is recommended when output exceeds 50W. Operating Temperature: -40°C to +85°C. Includes power indicator light and overheat protection; does not include reverse voltage protection. Features high-power magnetic encircling inductance and high-current driver chip, achieving up to 92% conversion efficiency. Compact size with high power output and high efficiency. Suitable for DIY mobile power supplies, vehicle power systems, communication equipment power supplies, LED power supplies, and similar applications. Features: Name: DC-DC 5A Step-Down Power Supply Module Type: Non-isolated step-down module Rectification Mode: Non-synchronous rectification Input Voltage: 5-32V (do not exceed 38V) Output Voltage: 0.8-24V (continuously adjustable) Input Current: 0-5A (recommended to use below 3.5A for prolonged operation) Output Power: 75W (maximum) Operating Frequency: 300KHz Conversion Efficiency: Up to 95% (varies based on input voltage, output voltage, current, and dropout voltage) Load Regulation: ≤0.8% Voltage Regulation: ≤0.8% Power Indicator Light: Yes Overheat Protection: Yes, automatically cuts off output at high temperatures Reverse Voltage Protection: No (if required, an external high-current diode must be added) Installation: Uses 2x3mm screws Connection Method: Soldering terminals; V-IN for input, V-OUT for output Designed with high-power magnetic encircling inductance and high-current driver chip. Compact size, high power output, and high efficiency. Ideal for use in DIY portable power supplies, automotive power systems, communication devices, LED lighting systems, and other electronic applications. Package Includes: 3 x 5A XL4005E1 Step-Down Buck Regulator Power Supply Modules Color: As shown in picture Size: 43.18 x 20.83mm