{"product_id":"lm2596-2a-buck-step-down-dc-dc-power-converter-module-4-40v-to-1-3-37v-with-led-voltmeter","title":"LM2596 2A Buck Step-Down DC-DC Power Converter Module (4–40V to 1.3–37V) with LED Voltmeter","description":"\u003cp data-start=\"405\" data-end=\"806\"\u003eThe \u003cstrong data-start=\"409\" data-end=\"460\"\u003eLM2596 2A Buck Step-Down Power Converter Module\u003c\/strong\u003e is a high-efficiency \u003cstrong data-start=\"482\" data-end=\"509\"\u003eDC-DC voltage regulator\u003c\/strong\u003e designed to safely convert higher DC voltages into a stable, adjustable lower voltage. With a wide \u003cstrong data-start=\"609\" data-end=\"636\"\u003einput range of 4–40V DC\u003c\/strong\u003e and \u003cstrong data-start=\"641\" data-end=\"678\"\u003eadjustable output from 1.3–37V DC\u003c\/strong\u003e, this module is ideal for \u003cstrong data-start=\"705\" data-end=\"805\"\u003eDIY electronics, embedded systems, battery charging, LED projects, and power supply applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"808\" data-end=\"1065\"\u003eThis module features a \u003cstrong data-start=\"831\" data-end=\"857\"\u003ebuilt-in LED voltmeter\u003c\/strong\u003e that allows you to monitor \u003cstrong data-start=\"885\" data-end=\"925\"\u003einput or output voltage in real time\u003c\/strong\u003e without needing an external multimeter. The \u003cstrong data-start=\"970\" data-end=\"1008\"\u003emulti-turn precision potentiometer\u003c\/strong\u003e makes voltage adjustment smooth, accurate, and reliable.\u003c\/p\u003e\n\u003cp data-start=\"1067\" data-end=\"1245\"\u003eEquipped with \u003cstrong data-start=\"1081\" data-end=\"1160\"\u003ereverse polarity protection, short-circuit protection, and thermal shutdown\u003c\/strong\u003e, the LM2596 module ensures safe and stable operation even in demanding environments.\u003c\/p\u003e\n\u003cblockquote data-start=\"1247\" data-end=\"1470\"\u003e\n\u003cp data-start=\"1249\" data-end=\"1470\"\u003e⚠️ \u003cstrong data-start=\"1252\" data-end=\"1261\"\u003eNote:\u003c\/strong\u003e Maximum output current depends on input\/output voltage, ambient temperature, and cooling. For high current applications, an external heatsink is recommended. Do not exceed \u003cstrong data-start=\"1434\" data-end=\"1443\"\u003e125°C\u003c\/strong\u003e to avoid permanent damage.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1472\" data-end=\"1475\"\u003e\n\u003ch2 data-start=\"1477\" data-end=\"1496\"\u003e\u003cstrong data-start=\"1480\" data-end=\"1496\"\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1498\" data-end=\"2040\"\u003e\n\u003cli data-start=\"1498\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1500\" data-end=\"1541\"\u003eWide input voltage range: \u003cstrong data-start=\"1526\" data-end=\"1541\"\u003e4V – 40V DC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1542\" data-end=\"1588\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1588\"\u003eAdjustable output voltage: \u003cstrong data-start=\"1571\" data-end=\"1588\"\u003e1.3V – 37V DC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1589\" data-end=\"1648\"\u003e\n\u003cp data-start=\"1591\" data-end=\"1648\"\u003e\u003cstrong data-start=\"1591\" data-end=\"1623\"\u003e2A continuous output current\u003c\/strong\u003e (up to 3A with heatsink)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1649\" data-end=\"1705\"\u003e\n\u003cp data-start=\"1651\" data-end=\"1705\"\u003eBuilt-in \u003cstrong data-start=\"1660\" data-end=\"1677\"\u003eLED voltmeter\u003c\/strong\u003e (input \/ output selectable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1706\" data-end=\"1737\"\u003e\n\u003cp data-start=\"1708\" data-end=\"1737\"\u003eHigh efficiency up to \u003cstrong data-start=\"1730\" data-end=\"1737\"\u003e92%\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1738\" data-end=\"1801\"\u003e\n\u003cp data-start=\"1740\" data-end=\"1801\"\u003ePrecision \u003cstrong data-start=\"1750\" data-end=\"1778\"\u003emulti-turn potentiometer\u003c\/strong\u003e for voltage adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1802\" data-end=\"1835\"\u003e\n\u003cp data-start=\"1804\" data-end=\"1835\"\u003e\u003cstrong data-start=\"1804\" data-end=\"1835\"\u003eReverse polarity protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1836\" data-end=\"1873\"\u003e\n\u003cp data-start=\"1838\" data-end=\"1873\"\u003e\u003cstrong data-start=\"1838\" data-end=\"1873\"\u003eOutput short-circuit protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1874\" data-end=\"1907\"\u003e\n\u003cp data-start=\"1876\" data-end=\"1907\"\u003e\u003cstrong data-start=\"1876\" data-end=\"1907\"\u003eThermal shutdown protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1908\" data-end=\"1953\"\u003e\n\u003cp data-start=\"1910\" data-end=\"1953\"\u003ePower-off memory for last displayed voltage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1954\" data-end=\"1993\"\u003e\n\u003cp data-start=\"1956\" data-end=\"1993\"\u003eTouch button to switch display ON\/OFF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1994\" data-end=\"2040\"\u003e\n\u003cp data-start=\"1996\" data-end=\"2040\"\u003eScrew terminals for easy, solder-free wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2042\" data-end=\"2045\"\u003e\n\u003ch2 data-start=\"2047\" data-end=\"2078\"\u003e\u003cstrong data-start=\"2050\" data-end=\"2078\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2080\" data-end=\"2526\"\u003e\n\u003cli data-start=\"2080\" data-end=\"2108\"\u003e\n\u003cp data-start=\"2082\" data-end=\"2108\"\u003e\u003cstrong data-start=\"2082\" data-end=\"2099\"\u003eRegulator IC:\u003c\/strong\u003e LM2596\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2109\" data-end=\"2143\"\u003e\n\u003cp data-start=\"2111\" data-end=\"2143\"\u003e\u003cstrong data-start=\"2111\" data-end=\"2129\"\u003eInput Voltage:\u003c\/strong\u003e 4V – 40V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2144\" data-end=\"2194\"\u003e\n\u003cp data-start=\"2146\" data-end=\"2194\"\u003e\u003cstrong data-start=\"2146\" data-end=\"2165\"\u003eOutput Voltage:\u003c\/strong\u003e 1.3V – 37V DC (Adjustable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2195\" data-end=\"2258\"\u003e\n\u003cp data-start=\"2197\" data-end=\"2258\"\u003e\u003cstrong data-start=\"2197\" data-end=\"2216\"\u003eOutput Current:\u003c\/strong\u003e 2A (Continuous), 3A (Max with heatsink)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2259\" data-end=\"2295\"\u003e\n\u003cp data-start=\"2261\" data-end=\"2295\"\u003e\u003cstrong data-start=\"2261\" data-end=\"2285\"\u003eSwitching Frequency:\u003c\/strong\u003e 150 kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2296\" data-end=\"2325\"\u003e\n\u003cp data-start=\"2298\" data-end=\"2325\"\u003e\u003cstrong data-start=\"2298\" data-end=\"2313\"\u003eEfficiency:\u003c\/strong\u003e Up to 92%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2326\" data-end=\"2374\"\u003e\n\u003cp data-start=\"2328\" data-end=\"2374\"\u003e\u003cstrong data-start=\"2328\" data-end=\"2348\"\u003eVoltage Display:\u003c\/strong\u003e 7-segment LED Voltmeter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2375\" data-end=\"2416\"\u003e\n\u003cp data-start=\"2377\" data-end=\"2416\"\u003e\u003cstrong data-start=\"2377\" data-end=\"2397\"\u003eRegulation Type:\u003c\/strong\u003e Buck (Step-Down)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2417\" data-end=\"2462\"\u003e\n\u003cp data-start=\"2419\" data-end=\"2462\"\u003e\u003cstrong data-start=\"2419\" data-end=\"2445\"\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2463\" data-end=\"2526\"\u003e\n\u003cp data-start=\"2465\" data-end=\"2526\"\u003e\u003cstrong data-start=\"2465\" data-end=\"2477\"\u003eCooling:\u003c\/strong\u003e External heatsink recommended for high current\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2528\" data-end=\"2531\"\u003e\n\u003ch2 data-start=\"2533\" data-end=\"2552\"\u003e\u003cstrong data-start=\"2536\" data-end=\"2552\"\u003eApplications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2554\" data-end=\"2764\"\u003e\n\u003cli data-start=\"2554\" data-end=\"2587\"\u003e\n\u003cp data-start=\"2556\" data-end=\"2587\"\u003eDIY electronics \u0026amp; prototyping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2588\" data-end=\"2617\"\u003e\n\u003cp data-start=\"2590\" data-end=\"2617\"\u003eBattery charging circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2618\" data-end=\"2652\"\u003e\n\u003cp data-start=\"2620\" data-end=\"2652\"\u003eEmbedded system power supplies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2653\" data-end=\"2688\"\u003e\n\u003cp data-start=\"2655\" data-end=\"2688\"\u003eLED drivers \u0026amp; lighting projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2689\" data-end=\"2714\"\u003e\n\u003cp data-start=\"2691\" data-end=\"2714\"\u003eRobotics \u0026amp; automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2715\" data-end=\"2764\"\u003e\n\u003cp data-start=\"2717\" data-end=\"2764\"\u003eArduino, ESP32, Raspberry Pi power regulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MAJESTRONICZ","offers":[{"title":"Default Title","offer_id":46336613908638,"sku":null,"price":107.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9257\/2574\/files\/buck1.jpg?v=1766839640","url":"https:\/\/majestronicz.in\/products\/lm2596-2a-buck-step-down-dc-dc-power-converter-module-4-40v-to-1-3-37v-with-led-voltmeter","provider":"MAJESTRONICZ","version":"1.0","type":"link"}