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 advised 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 portable power supplies, vehicle 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 prolonged use) Output Power: 75W maximum Cooling recommendation: Improve heat dissipation when output exceeds 50W Working Temperature: -40°C to +85°C Switching Frequency: 300KHz Conversion Efficiency: Up to 95%, depending on input voltage, output voltage, current, and dropout voltage Load Regulation: S(I) ≤ 0.8% Voltage Regulation: S(U) ≤ 0.8% Power Indicator Light: Yes Overheat Protection: Yes, automatically disconnects output under high temperature Reverse Voltage Protection: No (if required, add an external high-current diode) Installation: 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. Compact design with high power output and high efficiency. Ideal for DIY mobile power, automotive power systems, communication devices, LED lighting, and other electronic power applications. Package Includes: 3 x 5A XL4005E1 Step-Down Buck Regulator Power Supply Modules Color: As shown in picture Dimensions: 43.18 x 20.83mm