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 extended operation); Output Power: 75W (maximum). Enhanced cooling is recommended when output exceeds 50W. Operating Temperature: -40C to +85C. Features power indicator light and overheat protection; does not include reverse voltage protection. Utilizes high-power magnetic ring inductance and high-current driver IC, achieving up to 92% conversion efficiency. Compact size with high power output and high efficiency, suitable for DIY portable power supplies, automotive power systems, communication equipment power, 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 continuous use) 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: Yes Overheat Protection: Yes, automatically disconnects output under excessive temperature Reverse Voltage Protection: No (external protection diode recommended if required) Mounting: Compatible with 2x3mm screws Connection Method: Soldered terminals; V-IN for input, V-OUT for output Incorporates high-power magnetic ring inductance and high-current driver chip. Small footprint, high power handling, efficient performance. Ideal for use in DIY power banks, vehicle power adapters, communication devices, LED lighting systems, and other electronic power applications. Package Includes: 3 x 5A XL4005E1 Step-Down Buck Regulator Power Supply Modules Color: As shown in image Size: 43.18 x 20.83mm