{"product_id":"dc-step-down-buck-power-supply-module-4-5-36v-adjustable-5a","title":"DC Buck Step-Down Power Module 4.5-36V to 0.8-32V 5A Adjustable","description":"\n\u003ch2\u003eDC Step-Down Power Supply Module — 4.5–36V Input, 0.8–32V Adjustable Output, 5A High Efficiency\u003c\/h2\u003e\n\u003cp\u003eThis compact and highly efficient step-down (buck) power supply module is designed for electronics enthusiasts, engineers, hobbyists, and DIY makers who need a reliable, continuously adjustable DC voltage regulator. With an input range of 4.5V–36V and a smoothly adjustable output from 0.8V to 32V, this board handles a wide variety of projects — from powering microcontrollers and sensors to charging batteries and running small motors.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage Range:\u003c\/strong\u003e DC 4.5V – 36V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage Range:\u003c\/strong\u003e DC 0.8V – 32V (continuously adjustable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Output Current:\u003c\/strong\u003e 5.6A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput\/Output Voltage Difference:\u003c\/strong\u003e \u0026gt;1V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConversion Efficiency:\u003c\/strong\u003e \u0026gt;95%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Unbalanced load protection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEU LVD Compliance:\u003c\/strong\u003e Below 50V AC or 75V DC (low voltage directive range)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Power Supply Module?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency (\u0026gt;95%):\u003c\/strong\u003e Minimal energy loss means less heat generation and lower operating costs for your projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Versatile enough to work with a broad range of DC power sources including batteries, adapters, and lab supplies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuously Adjustable Output:\u003c\/strong\u003e Fine-tune your output voltage precisely for any application without needing multiple fixed-voltage regulators.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e Supports up to 5.6A output, making it suitable for moderate-power loads and motor-driven applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Board Design:\u003c\/strong\u003e Easy to integrate into enclosures, breadboards, or custom PCB projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY electronics and prototyping\u003c\/li\u003e\n  \u003cli\u003eRobotics and automation projects\u003c\/li\u003e\n  \u003cli\u003eBattery charging circuits\u003c\/li\u003e\n  \u003cli\u003eLab bench power supply projects\u003c\/li\u003e\n  \u003cli\u003eArduino, Raspberry Pi, and microcontroller power regulation\u003c\/li\u003e\n  \u003cli\u003eLED strip and motor speed control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Step-Down Power Supply Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to lighting and screen differences, the item's color may vary slightly from the pictures. Please allow 1–10mm measurement tolerance due to manual measurement methods.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor more information on electrical safety standards for low-voltage electronics, visit the U.S. Consumer Product Safety Commission — Electrical Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a step-down (buck) power supply module and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A step-down or buck converter is a DC-to-DC power conversion circuit that reduces a higher input voltage to a lower, adjustable output voltage with high efficiency. This module uses switching regulation to achieve over 95% conversion efficiency, meaning very little energy is wasted as heat compared to traditional linear regulators.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this module to power an Arduino or Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Simply set the output voltage to the required level (e.g., 5V for Arduino or 5V for Raspberry Pi) using the onboard adjustment, connect your input DC source within the 4.5V–36V range, and power your board directly. The 5A current capacity provides ample headroom for most microcontroller and peripheral setups.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the minimum input-to-output voltage difference required?\u003c\/h4\u003e\n\u003cp\u003eA: The module requires a minimum differential of greater than 1V between the input and output voltages to operate correctly. For example, if your input is 12V, the maximum stable output would be up to 11V or lower.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is a battery included with the module?\u003c\/h4\u003e\n\u003cp\u003eA: No, a battery is not included. You will need to supply your own DC power source within the 4.5V–36V input range.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a step-down (buck) power supply module and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A step-down or buck converter is a DC-to-DC power conversion circuit that reduces a higher input voltage to a lower, adjustable output voltage with high efficiency. This module uses switching regulation to achieve over 95% conversion efficiency, meaning very little energy is wasted as heat compared to traditional linear regulators.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this module to power an Arduino or Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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