performance DC buck stepdown converter that reliably converts a wide DC input to a stable 5V output with current capacity and low electrical interference. Ideal when you need to run 5V electronics from 12V automotive, battery, or other DC sources without introducing excess noise. Why you need it Convert a wide range of DC sources (9–36V) to a regulated 5V supply capable of supplying up to 20A (120W). This solves the common problem of powering current 5V devices from automotive batteries, solar systems, or other highervoltage supplies. 'Less interference' design helps reduce electrical noise and ripple, improving performance and reliability for sensitive electronics. Compact, efficient stepdown topology gives you a stable 5V rail where direct connection or simple voltage dividers would be unsuitable. Key attributes Functionality: DC buck (stepdown) converter that takes DC 9–36V input and provides a fixed DC 5V output. Output capacity: Up to 20A continuous, maximum 120W. Compatibility: Works with any DC source within the 9–36V range (for example: 12V automotive systems, 24V systems, compatible battery banks and adapters). Performance: Designed for low interference to minimize noise on the 5V output, suitable for powering sensitive 5V electronics. Practical form: Module designed for integration into projects and systems where a compact, current 5V supply is required. Benefits at a glance current and power: Delivers up to 20A / 120W at 5V for powerhungry 5V loads. Wide input range: Accepts 9–36V DC sources, removing the need for multiple converters. Low noise: Less interference helps maintain reliable operation of audio, RF, and digital equipment. Versatile: Use with automotive, marine, industrial, solar, and batterypowered setups. Typical use cases Automotive and mobile power: Run 5V devices (charging hubs, USBpowered accessories, singleboard computers and peripherals) from a 12V vehicle battery without noiserelated faults. Solar and battery systems: Step down 24V or variable battery voltages to a clean 5V supply for controllers, sensors, or charging circuits. current 5V electronics: Power long LED runs, current routers, network equipment, or multiple 5V modules where a stable, lownoise 5V rail is required. Installation and practical notes Ensure input voltage remains within the specified 9–36V range. Provide appropriate wiring and fusing for up to 20A output to maintain safety. Allow space or airflow for heat dissipation in continuous load applications. Verify polarity and secure connections before powering the converter. Specifications summary Input voltage: DC 9–36V Output voltage: DC 5V Output current: up to 20A Maximum power: 120W Type: DC buck stepdown converter Feature: Less interference (low noise design) This module provides a straightforward, current solution for converting common DC sources to a stable 5V rail with reduced electrical interference, suitable for a wide range of practical applications.