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5A XL4005 DC-DC Adjustable Step-Down Power Supply Module (Buck Converter)

K-TECHNICS
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When your electronics project requires a substantial amount of current at a specific lower voltage such as driving high-power LED arrays, running multiple servo motors, or powering an entire robotics chassis from a large 24-Volt battery standard linear regulators simply cannot handle the load without burning up. The XL4005 step-down (buck) converter module is the perfect heavy-duty solution. By utilizing high-frequency switching technology, it efficiently drops higher input voltages down to a stable, continuous output while generating a fraction of the heat of older regulators.

What makes this module incredibly user-friendly is the onboard multi-turn precision potentiometer. By simply turning the brass screw with a small screwdriver, you can easily dial in the exact output voltage your sensitive components require, anywhere from 0.8 Volts up to 30 Volts. Capable of handling up to 75 Watts of power and maintaining efficiencies up to 96 percent, it is an absolute workhorse for custom DIY power supplies, battery charging circuits, and demanding microcontroller projects.

Key Features & Functional Advantages

  • Massive 5-Amp Capacity: Delivers significantly more current than standard LM2596 modules, comfortably powering heavy loads without the voltage sagging or the circuit instantly overheating.

  • Fully Adjustable Output: The high-precision, 25-turn potentiometer gives you absolute granular control over your output voltage, ensuring perfect logic levels for your specific application.

  • Wide Voltage Range: Readily accepts input voltages from 5 Volts all the way up to 32 Volts DC, making it highly compatible with 12-Volt car batteries, 24-Volt industrial rails, and multi-cell lithium packs.

  • High-Efficiency Switching: Operates at a rapid 300 kHz frequency, allowing the circuit to run at up to 96 percent efficiency, which maximizes your battery life and minimizes thermal waste.

  • Built-in Hardware Safety: Engineered with internal thermal shutdown, current limiting, and short-circuit protection to prevent the module from destroying itself under heavy stress.

Perfect For

  • High-Power LED Drivers: Providing the steady, high-current voltage required to run long strips of 12-Volt or 5-Volt lighting without flickering.

  • Custom Bench Power Supplies: Acting as the variable-voltage heart of a DIY laboratory power supply for testing various electronic components.

  • Robotics and Motor Control: Stepping down a heavy main drive battery to safely power 5-Volt or 6-Volt high-torque servo motors and logic boards simultaneously.

  • Battery Charging: Setting a precise voltage to safely top up lower-voltage battery packs from a higher-voltage solar panel or wall adapter.

Technical Specifications

  • Device Type: DC-DC Step-Down (Buck) Switching Converter

  • Main Control Chip: XL4005

  • Input Voltage Range: 5.0 Volts to 32.0 Volts DC

  • Adjustable Output Voltage: 0.8 Volts to 30.0 Volts DC

  • Maximum Output Current: 5.0 Amps (Constant)

  • Maximum Output Power: Up to 75 Watts

  • Switching Frequency: 300 kHz

  • Maximum Efficiency: Up to 96 percent

  • Protection: Thermal shutdown and current limit (No reverse polarity protection)

Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.

Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.