{"product_id":"lm2596-dc-dc-buck-converter-3a-adjustable-step-down-module","title":"LM2596 DC-DC Buck Converter 3A Adjustable Step-Down Module","description":"\n\u003ch2\u003eLM2596 Ultra-Small DC-DC Buck Converter – 3A Adjustable Step-Down Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eTake control of your electronics projects with this compact \u003cstrong\u003eLM2596S DC-DC Buck Converter Module\u003c\/strong\u003e. Whether you're stepping down from 24V to 12V, 5V, or 3V, this ultra-small switching regulator delivers stable, adjustable output with up to \u003cstrong\u003e3A continuous current\u003c\/strong\u003e. Its SMD design makes it ideal for space-constrained builds, DIY electronics, Arduino projects, robotics, alarm systems, and custom power supplies.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e 4V – 35V DC input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Output Voltage:\u003c\/strong\u003e Easily step down to 12V, 5V, 3V, or any value within range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3A Continuous Output Current\u003c\/strong\u003e for reliable, steady power delivery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLM2596S Switching Regulator Chip\u003c\/strong\u003e – efficient, low heat, high stability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact SMD Form Factor\u003c\/strong\u003e – fits into tight enclosures and PCB layouts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -45°C to +85°C for broad environmental compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency Switching Design\u003c\/strong\u003e reduces wasted energy compared to linear regulators\u003c\/li\u003e\n  \u003cli\u003eSuitable for alarm systems, embedded electronics, LED drivers, and more\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4V – 35V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable (e.g. 3V \/ 5V \/ 12V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3A (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRegulator IC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM2596S\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-45°C ~ +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage Regulator \/ Buck Converter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Is a Buck Converter?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003ebuck converter\u003c\/strong\u003e (step-down converter) is a DC-DC power supply that reduces a higher input voltage to a lower, regulated output voltage. The LM2596 chip achieves this efficiently using pulse-width modulation (PWM) switching, producing far less heat than traditional linear voltage regulators like the 7805. This makes it perfect for battery-powered devices, automotive electronics, and any project where energy efficiency matters.\u003c\/p\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino, Raspberry Pi, and microcontroller power supplies\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and PCB prototyping\u003c\/li\u003e\n  \u003cli\u003eAlarm and security systems\u003c\/li\u003e\n  \u003cli\u003eLED strip and driver power conversion\u003c\/li\u003e\n  \u003cli\u003eAutomotive and solar power projects\u003c\/li\u003e\n  \u003cli\u003eRobotics and motor driver boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What input voltage range does the LM2596 buck converter module support?\u003c\/h4\u003e\n\u003cp\u003eA: This LM2596S DC-DC buck converter module supports an input voltage range of \u003cstrong\u003e4V to 35V DC\u003c\/strong\u003e, making it compatible with a wide variety of power sources including 12V, 24V, and battery supplies.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I adjust the output voltage on this module?\u003c\/h4\u003e\n\u003cp\u003eA: The output voltage is adjusted by turning the onboard potentiometer (trim pot). Connect a multimeter to the output terminals while adjusting to dial in your target voltage — for example, 3.3V, 5V, or 12V.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum current this LM2596 module can handle?\u003c\/h4\u003e\n\u003cp\u003eA: The module is rated for up to \u003cstrong\u003e3A continuous output current\u003c\/strong\u003e. For best performance and longevity, it is recommended to operate below the maximum rated current, especially in warm environments.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this module suitable for Arduino or Raspberry Pi projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This LM2596S step-down module is widely used to power Arduino, Raspberry Pi, ESP32, and other microcontrollers by converting a higher voltage source (e.g., 12V) down to 5V or 3.3V efficiently.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What input voltage range does the LM2596 buck converter module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This LM2596S DC-DC buck converter module supports an input voltage range of 4V to 35V DC, making it compatible with a wide variety of power sources including 12V, 24V, and battery supplies.\"}}, {\"@type\": \"Question\", \"name\": \"How do I adjust the output voltage on this module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The output voltage is adjusted by turning the onboard potentiometer (trim pot). 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This LM2596S step-down module is widely used to power Arduino, Raspberry Pi, ESP32, and other microcontrollers by converting a higher voltage source (e.g., 12V) down to 5V or 3.3V efficiently.\"}}]}\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\": \"LM2596 DC-DC Buck Converter 3A Adjustable Step-Down Module\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/lm2596-dc-dc-buck-converter-3a-adjustable-step-down-module\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"lm2596 blue","offer_id":44166624804951,"sku":"14:1254#lm2596 blue","price":7.96,"currency_code":"USD","in_stock":true},{"title":"lm2596 red","offer_id":44166624837719,"sku":"14:771#lm2596 red","price":8.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S45d2f752d16c4139bf530babdf4faf97O.webp?v=1786741029","url":"https:\/\/axlcustomersupport.com\/products\/lm2596-dc-dc-buck-converter-3a-adjustable-step-down-module","provider":"Axl","version":"1.0","type":"link"}