5A XL4005 DC-DC Adjustable Step-Down Power Supply Module (Buck Converter)
5A XL4005 DC-DC Step-Down
What makes this module incredibly user-friendly is the onboard multi-turn precision potentiometer.
Key Features & Functional Advantages
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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.
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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.
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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.
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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.
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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
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High-Power LED Drivers:
Providing the steady,
high-current voltage required to run long strips of 12-Volt or 5-Volt lighting without flickering.
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Custom Bench Power Supplies:
Acting as the variable-voltage heart of a DIY laboratory power supply for testing various electronic components.
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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.
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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
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Device Type: DC-DC Step-Down (Buck) Switching Converter
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Main Control Chip: XL4005
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Input Voltage Range: 5.0 Volts to 32.0 Volts DC
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Adjustable Output Voltage: 0.8 Volts to 30.0 Volts DC
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Maximum Output Current: 5.0 Amps (Constant)
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Maximum Output Power: Up to 75 Watts
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Switching Frequency: 300 kHz
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Maximum Efficiency: Up to 96 percent
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Protection: Thermal shutdown and current limit (No reverse polarity protection)
