{"product_id":"lm2596s-dc-to-dc-buck-converter-adjustable-voltage-regulator-module","title":"LM2596S DC to DC Buck Converter 3-40V Adjustable Voltage Module","description":"\u003ch2\u003eLM2596S Adjustable Buck Converter – Efficient DC-DC Voltage Regulation\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLM2596S DC to DC Buck Converter\u003c\/strong\u003e is a compact, high-efficiency step-down voltage regulator designed for hobbyists, engineers, and electronics enthusiasts. With an input range of \u003cstrong\u003e3V–40V\u003c\/strong\u003e and a continuously adjustable output of \u003cstrong\u003e1.5V–35V\u003c\/strong\u003e, this module delivers reliable, stable power conversion for a wide range of electronic projects and devices.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Accepts DC input from 3V to 40V and outputs a continuously adjustable 1.5V to 35V — versatile enough for most electronics projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Output Current:\u003c\/strong\u003e Supports up to \u003cstrong\u003e3A maximum output current\u003c\/strong\u003e for powering demanding circuits and components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Output:\u003c\/strong\u003e Simply turn the onboard blue potentiometer to fine-tune the output voltage to your exact requirements. Note: factory default is set high — rotate approximately 15–20 turns counter-clockwise to begin stepping the voltage down.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSANYO Solid-State Capacitors:\u003c\/strong\u003e Built with premium SANYO solid-state capacitors and high-Q inductors for stable, low-noise performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Output Indicator:\u003c\/strong\u003e Integrated LED indicator provides a visual confirmation that the module is powered and outputting voltage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickened PCB:\u003c\/strong\u003e Features a 36µm thickened circuit board for improved durability and heat handling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Measures just \u003cstrong\u003e4.3 × 2.1 cm (1.69 × 0.83 in)\u003c\/strong\u003e — ideal for tight enclosures and space-constrained builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Boost Function:\u003c\/strong\u003e This is a step-down (buck) converter only — input voltage must be at least 1.5V higher than the desired output voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LM2596S\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 3V – 40V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e DC 1.5V – 35V (continuously adjustable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Output Current:\u003c\/strong\u003e 3A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoard Size:\u003c\/strong\u003e 4.3 × 2.1 cm \/ 1.69 × 0.83 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacitors:\u003c\/strong\u003e SANYO solid-state\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Thickness:\u003c\/strong\u003e 36µm thickened\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndicator:\u003c\/strong\u003e LED output indicator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eConnect the module to your power source.\u003c\/li\u003e\n  \u003cli\u003eUse a multimeter to monitor the output voltage.\u003c\/li\u003e\n  \u003cli\u003eAdjust the blue potentiometer — turn counter-clockwise (CCW) to reduce voltage, clockwise (CW) to increase it.\u003c\/li\u003e\n  \u003cli\u003eSet to your required output voltage and connect your load.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM2596S DC to DC Buck Converter Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLooking for more electronics tools and DIY accessories? Check out our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e or our \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge – DIY Tool\u003c\/a\u003e for your workbench toolkit.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the LM2596S DC to DC buck converter used for?\u003c\/h4\u003e\n\u003cp\u003eA: The LM2596S buck converter is a step-down voltage regulator used in DIY electronics, Arduino projects, robotics, battery charging circuits, and other applications where you need to reduce and precisely control DC voltage. It accepts a wide input of 3V–40V and outputs an adjustable 1.5V–35V.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this converter to boost voltage (step up)?\u003c\/h4\u003e\n\u003cp\u003eA: No — the LM2596S is a step-down (buck) converter only. It cannot boost voltage. The input voltage must always be at least 1.5V higher than your desired output voltage for the module to function correctly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I adjust the output voltage on the LM2596S module?\u003c\/h4\u003e\n\u003cp\u003eA: Use the blue potentiometer on the board. Connect your power source, then use a multimeter to monitor the output voltage while slowly turning the potentiometer. The unit ships at maximum voltage by default — turn counter-clockwise (CCW) approximately 15–20 turns to begin reducing the output to your target level.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum current this DC-DC converter can handle?\u003c\/h4\u003e\n\u003cp\u003eA: The LM2596S buck converter supports a maximum output current of 3A. For sustained high-current applications, ensure adequate airflow or heat sinking around the module.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the LM2596S DC to DC buck converter used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LM2596S buck converter is a step-down voltage regulator used in DIY electronics, Arduino projects, robotics, battery charging circuits, and other applications where you need to reduce and precisely control DC voltage. It accepts a wide input of 3V–40V and outputs an adjustable 1.5V–35V.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this converter to boost voltage (step up)?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — the LM2596S is a step-down (buck) converter only. It cannot boost voltage. The input voltage must always be at least 1.5V higher than your desired output voltage for the module to function correctly.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the output voltage on the LM2596S module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use the blue potentiometer on the board. Connect your power source, then use a multimeter to monitor the output voltage while slowly turning the potentiometer. 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For sustained high-current applications, ensure adequate airflow or heat sinking around the module.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"LM2596S DC to DC Buck Converter 3-40V Adjustable Voltage Module\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/lm2596s-dc-to-dc-buck-converter-adjustable-voltage-regulator-module\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"onesize","offer_id":44165666570327,"sku":"14:350850#onesize","price":10.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S5536add4d4f640c5af68d3fe52e7effar.webp?v=1786725600","url":"https:\/\/axlcustomersupport.com\/products\/lm2596s-dc-to-dc-buck-converter-adjustable-voltage-regulator-module","provider":"Axl","version":"1.0","type":"link"}