Input Voltage: 5-32V (do not exceed 38V); Output Voltage: 0.8-24V (continuously adjustable); Input Current: 0-5A (recommended to use less than 3.5A for prolonged 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 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 portable 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 less than 3.5A for prolonged operation) Output Power: 75W (maximum) Operating Temperature: -40C to +85C Switching Frequency: 300KHz Conversion Efficiency: Up to 95%, depending on input voltage, output voltage, current, and dropout voltage Load Regulation: 0.8% Voltage Regulation: 0.8% Power Indicator: Yes Overheat Protection: Yes, automatically shuts off output under high temperature conditions Reverse Voltage Protection: No (if required, external diode must be added) Mounting: Compatible with 2x3mm screws Connection Method: Soldering terminals; V-IN for input, V-OUT for output Incorporates high-power magnetic encircling inductance and high-current driver IC, providing compact design, high output power, and high efficiency. Ideal for use in DIY mobile power solutions, automotive power systems, 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 Dimensions: 43.18 x 20.83mm