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 include power indicator light and overheat protection; reverse voltage protection is not included. 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, 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 Frequency: 300KHz Conversion Efficiency: Up to 95% (varies based on input voltage, output voltage, current, and dropout conditions) Load Regulation: 0.8% Voltage Regulation: 0.8% Power Indicator Light: Yes Overheat Protection: Yes, automatically shuts off output if overheated Reverse Voltage Protection: No (external diode recommended if required) Mounting: Compatible with 2x3mm screws Connection Method: Solder terminals V-IN for input, V-OUT for output Designed with high-power magnetic encircling inductance and high-current driver IC for reliable performance. Small footprint, high output capability, and efficient operation. Ideal for use in DIY power banks, automotive 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 picture Dimensions: 43.18 x 20.83mm