{"id":875,"date":"2025-04-25T21:13:15","date_gmt":"2025-04-25T13:13:15","guid":{"rendered":"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/"},"modified":"2025-04-28T22:33:50","modified_gmt":"2025-04-28T14:33:50","slug":"tps54231dr-a-high-performance-step-down-converter","status":"publish","type":"post","link":"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/","title":{"rendered":"What Makes the TPS54231DR a Leading Step-Down Converter?"},"content":{"rendered":"<div class=\"fsc_text\"><p class=\"\" data-start=\"77\" data-end=\"234\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The TPS54231DR is a 2A, 28V input, step-down (buck) converter from Texas Instruments, renowned for its high efficiency, wide input voltage range, and compact design.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Operating at a fixed frequency of 570kHz, it integrates Eco-mode\u2122 for improved efficiency under light loads.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Its versatility makes it ideal for various applications, including consumer electronics, industrial systems, and telecommunications equipment.<\/span>\u200b<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\r\n<div class=\"ez-toc-title-container\">\r\n<h2 class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/h2>\r\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #023a85;color:#023a85\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #023a85;color:#023a85\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\r\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#what_are_the_key_features_of_the_tps54231dr\" >What Are the Key Features of the TPS54231DR?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#how_does_the_tps54231dr_compare_to_similar_models\" >How Does the TPS54231DR Compare to Similar Models?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#what_are_the_typical_applications_for_the_tps54231dr\" >What Are the Typical Applications for the TPS54231DR?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#how_does_eco-mode%e2%84%a2_enhance_efficiency\" >How Does Eco-mode\u2122 Enhance Efficiency?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#what_are_the_design_considerations_for_implementing_the_tps54231dr\" >What Are the Design Considerations for Implementing the TPS54231DR?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#buying_tips\" >Buying Tips<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#electronic_components_expert_views\" >Electronic Components Expert Views<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#faq\" >FAQ<\/a><\/li><\/ul><\/nav><\/div>\r\n<h2 class=\"\" data-start=\"236\" data-end=\"283\"><span class=\"ez-toc-section\" id=\"what_are_the_key_features_of_the_tps54231dr\"><\/span>What Are the Key Features of the TPS54231DR?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"285\" data-end=\"366\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The TPS54231DR boasts several features that enhance its performance and applicability:<\/span>\u200b<\/p>\n<ul data-start=\"368\" data-end=\"890\">\n<li class=\"\" data-start=\"368\" data-end=\"437\">\n<p class=\"\" data-start=\"370\" data-end=\"437\"><strong data-start=\"370\" data-end=\"398\">Wide Input Voltage Range<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">3.5V to 28V, accommodating various power sources.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"438\" data-end=\"502\">\n<p class=\"\" data-start=\"440\" data-end=\"502\"><strong data-start=\"440\" data-end=\"463\">High Output Current<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Delivers up to 2A, suitable for powering multiple components.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"503\" data-end=\"573\">\n<p class=\"\" data-start=\"505\" data-end=\"573\"><strong data-start=\"505\" data-end=\"534\">Fixed Switching Frequency<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">570kHz operation allows for smaller external components.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"574\" data-end=\"628\">\n<p class=\"\" data-start=\"576\" data-end=\"628\"><strong data-start=\"576\" data-end=\"589\">Eco-mode\u2122<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Improves efficiency at light loads by reducing switching losses.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"629\" data-end=\"696\">\n<p class=\"\" data-start=\"631\" data-end=\"696\"><strong data-start=\"631\" data-end=\"655\">Low Shutdown Current<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Typical shutdown quiescent current of 1\u03bcA, ideal for battery-powered applications.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"697\" data-end=\"771\">\n<p class=\"\" data-start=\"699\" data-end=\"771\"><strong data-start=\"699\" data-end=\"730\">Integrated High-Side MOSFET<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Simplifies design and reduces component count.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"772\" data-end=\"890\">\n<p class=\"\" data-start=\"774\" data-end=\"890\"><strong data-start=\"774\" data-end=\"803\">Adjustable Output Voltage<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">0.8V to 25V, providing flexibility for various applications.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<h2 class=\"\" data-start=\"892\" data-end=\"945\"><span class=\"ez-toc-section\" id=\"how_does_the_tps54231dr_compare_to_similar_models\"><\/span>How Does the TPS54231DR Compare to Similar Models?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"947\" data-end=\"1032\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">When selecting a step-down converter, it&#8217;s essential to compare key specifications:<\/span>\u200b<\/p>\n<div class=\"group pointer-events-none relative flex justify-center *:pointer-events-auto\"><button class=\"hover:bg-token-main-surface-secondary text-token-text-secondary pointer-events-auto rounded-lg px-1 py-1 opacity-0 transition-opacity duration-200 group-focus-within:opacity-100 group-hover:opacity-100\"><\/button><\/p>\n<div class=\"tableContainer horzScrollShadows relative\">\n<table class=\"min-w-full\" data-start=\"1034\" data-end=\"2115\">\n<thead data-start=\"1034\" data-end=\"1133\">\n<tr data-start=\"1034\" data-end=\"1133\">\n<th data-start=\"1034\" data-end=\"1049\">Model<\/th>\n<th data-start=\"1049\" data-end=\"1071\">Input Voltage Range<\/th>\n<th data-start=\"1071\" data-end=\"1088\">Output Current<\/th>\n<th data-start=\"1088\" data-end=\"1110\">Switching Frequency<\/th>\n<th data-start=\"1110\" data-end=\"1122\">Eco-mode\u2122<\/th>\n<th data-start=\"1122\" data-end=\"1133\">Package<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1234\" data-end=\"2115\">\n<tr data-start=\"1234\" data-end=\"1457\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1234\" data-end=\"1278\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">TPS54231DR<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1278\" data-end=\"1329\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">3.5V &#8211; 28V<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1329\" data-end=\"1346\">2A<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1346\" data-end=\"1401\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">570kHz<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1401\" data-end=\"1413\">Yes<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1413\" data-end=\"1457\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">8-SOIC<\/span><\/td>\n<\/tr>\n<tr data-start=\"1458\" data-end=\"1650\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1458\" data-end=\"1504\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">TPS54232<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1504\" data-end=\"1555\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">3.5V &#8211; 28V<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1555\" data-end=\"1572\">2A<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1572\" data-end=\"1594\">1MHz<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1594\" data-end=\"1606\">Yes<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1606\" data-end=\"1650\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">8-SOIC<\/span><\/td>\n<\/tr>\n<tr data-start=\"1651\" data-end=\"1876\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1651\" data-end=\"1697\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">TPS54331<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1697\" data-end=\"1748\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">3.5V &#8211; 28V<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1748\" data-end=\"1765\">3A<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1765\" data-end=\"1820\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">570kHz<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1820\" data-end=\"1832\">Yes<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1832\" data-end=\"1876\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">8-SOIC<\/span><\/td>\n<\/tr>\n<tr data-start=\"1877\" data-end=\"2115\">\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1877\" data-end=\"1923\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">TPS54332<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1923\" data-end=\"1974\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">3.5V &#8211; 28V<\/span><\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1974\" data-end=\"1991\">3.5A<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"1991\" data-end=\"2013\">1MHz<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"2013\" data-end=\"2025\">Yes<\/td>\n<td class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\" data-start=\"2025\" data-end=\"2068\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">8-SOIC<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p class=\"\" data-start=\"2117\" data-end=\"2202\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The TPS54231DR offers a balanced combination of input voltage range, output current, and switching frequency, making it a versatile choice for various applications.<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"2204\" data-end=\"2260\"><span class=\"ez-toc-section\" id=\"what_are_the_typical_applications_for_the_tps54231dr\"><\/span>What Are the Typical Applications for the TPS54231DR?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"2262\" data-end=\"2347\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The TPS54231DR is suitable for a wide range of applications due to its efficiency and flexibility:<\/span>\u200b<\/p>\n<ul data-start=\"2349\" data-end=\"2604\">\n<li class=\"\" data-start=\"2349\" data-end=\"2416\">\n<p class=\"\" data-start=\"2351\" data-end=\"2416\"><strong data-start=\"2351\" data-end=\"2375\">Consumer Electronics<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Set-top boxes, LCD displays, and battery chargers.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"2417\" data-end=\"2482\">\n<p class=\"\" data-start=\"2419\" data-end=\"2482\"><strong data-start=\"2419\" data-end=\"2441\">Industrial Systems<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Car audio power supplies and distributed power systems.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"2483\" data-end=\"2604\">\n<p class=\"\" data-start=\"2485\" data-end=\"2604\"><strong data-start=\"2485\" data-end=\"2517\">Telecommunications Equipment<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Customer-premises equipment (CPE) and networking devices.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"2606\" data-end=\"2691\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Its ability to operate efficiently across various load conditions makes it ideal for systems requiring reliable power conversion.<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"2693\" data-end=\"2734\"><span class=\"ez-toc-section\" id=\"how_does_eco-mode%e2%84%a2_enhance_efficiency\"><\/span>How Does Eco-mode\u2122 Enhance Efficiency?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"2736\" data-end=\"2861\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Eco-mode\u2122 is a feature that improves efficiency during light load conditions by reducing the switching frequency, thereby minimizing switching losses.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">This mode is automatically activated when the peak inductor current drops below a certain threshold, ensuring optimal performance without compromising output voltage regulation.<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"2863\" data-end=\"2933\"><span class=\"ez-toc-section\" id=\"what_are_the_design_considerations_for_implementing_the_tps54231dr\"><\/span>What Are the Design Considerations for Implementing the TPS54231DR?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"2935\" data-end=\"3020\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">When designing with the TPS54231DR, consider the following:<\/span>\u200b<\/p>\n<ul data-start=\"3022\" data-end=\"3332\">\n<li class=\"\" data-start=\"3022\" data-end=\"3096\">\n<p class=\"\" data-start=\"3024\" data-end=\"3096\"><strong data-start=\"3024\" data-end=\"3055\">Input and Output Capacitors<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Select appropriate values to ensure voltage stability and minimize ripple.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"3097\" data-end=\"3162\">\n<p class=\"\" data-start=\"3099\" data-end=\"3162\"><strong data-start=\"3099\" data-end=\"3121\">Inductor Selection<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Choose an inductor that can handle the desired current without saturation.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"3163\" data-end=\"3228\">\n<p class=\"\" data-start=\"3165\" data-end=\"3228\"><strong data-start=\"3165\" data-end=\"3187\">Thermal Management<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Ensure adequate heat dissipation, especially in high-current applications.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"3229\" data-end=\"3332\">\n<p class=\"\" data-start=\"3231\" data-end=\"3332\"><strong data-start=\"3231\" data-end=\"3245\">PCB Layout<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Follow best practices for minimizing noise and optimizing performance.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"3334\" data-end=\"3419\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Proper component selection and layout are crucial for achieving the desired performance and reliability.<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"3421\" data-end=\"3435\"><span class=\"ez-toc-section\" id=\"buying_tips\"><\/span>Buying Tips<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"3437\" data-end=\"3522\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">When purchasing the TPS54231DR, consider the following:<\/span>\u200b<\/p>\n<ul data-start=\"3524\" data-end=\"3831\">\n<li class=\"\" data-start=\"3524\" data-end=\"3594\">\n<p class=\"\" data-start=\"3526\" data-end=\"3594\"><strong data-start=\"3526\" data-end=\"3553\">Authorized Distributors<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Buy from reputable sources to ensure authenticity.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"3595\" data-end=\"3660\">\n<p class=\"\" data-start=\"3597\" data-end=\"3660\"><strong data-start=\"3597\" data-end=\"3619\">Stock Availability<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Check inventory levels to avoid delays.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"3661\" data-end=\"3720\">\n<p class=\"\" data-start=\"3663\" data-end=\"3720\"><strong data-start=\"3663\" data-end=\"3679\">Bulk Pricing<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Consider bulk purchases for cost savings.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"3721\" data-end=\"3831\">\n<p class=\"\" data-start=\"3723\" data-end=\"3831\"><strong data-start=\"3723\" data-end=\"3744\">Technical Support<\/strong>: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Ensure access to datasheets and application notes.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"3833\" data-end=\"3958\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Fly-Wing Technology (HK) Co., Limited has been consistently dedicated to assisting customers in finding hard-to-find parts quickly and accurately, as well as acquiring new and original parts at competitive prices since 2012.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">With warehouses in Hong Kong and a global supplier network, they offer optimized inventory and reduced procurement cycles, ensuring quality electronic components at competitive prices.<\/span>\u200b<\/p>\n<h2 class=\"\" data-start=\"3960\" data-end=\"3997\"><span class=\"ez-toc-section\" id=\"electronic_components_expert_views\"><\/span>Electronic Components Expert Views<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<blockquote data-start=\"3999\" data-end=\"4202\">\n<p class=\"\" data-start=\"4001\" data-end=\"4202\">&#8220;The TPS54231DR&#8217;s integration of Eco-mode\u2122 and its wide input voltage range make it a go-to solution for designers seeking efficiency and flexibility in power management.&#8221; \u2013 Electronics Design Engineer<\/p>\n<\/blockquote>\n<blockquote data-start=\"4204\" data-end=\"4356\">\n<p class=\"\" data-start=\"4206\" data-end=\"4356\">&#8220;Its compact 8-SOIC package and robust performance simplify the design process, especially in space-constrained applications.&#8221; \u2013 Power Systems Analyst<\/p>\n<\/blockquote>\n<h2 class=\"\" data-start=\"4358\" data-end=\"4364\"><span class=\"ez-toc-section\" id=\"faq\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"\" data-start=\"4366\" data-end=\"4426\"><strong data-start=\"4366\" data-end=\"4426\">Q: What is the maximum output current of the TPS54231DR?<\/strong><\/p>\n<p class=\"\" data-start=\"4428\" data-end=\"4513\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">A: The TPS54231DR can deliver up to 2A of continuous output current.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"4515\" data-end=\"4557\"><strong data-start=\"4515\" data-end=\"4557\">Q: Can the output voltage be adjusted?<\/strong><\/p>\n<p class=\"\" data-start=\"4559\" data-end=\"4644\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">A: Yes, the output voltage is adjustable from 0.8V to 25V using external resistors.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"4646\" data-end=\"4713\"><strong data-start=\"4646\" data-end=\"4713\">Q: Is the TPS54231DR suitable for battery-powered applications?<\/strong><\/p>\n<p class=\"\" data-start=\"4715\" data-end=\"4800\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">A: Yes, its low shutdown quiescent current of 1\u03bcA makes it ideal for battery-powered systems.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"4802\" data-end=\"4859\"><strong data-start=\"4802\" data-end=\"4859\">Q: What is the switching frequency of the TPS54231DR?<\/strong><\/p>\n<p class=\"\" data-start=\"4861\" data-end=\"4946\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">A: It operates at a fixed frequency of 570kHz.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"4948\" data-end=\"4999\"><strong data-start=\"4948\" data-end=\"4999\">Q: Does the TPS54231DR have thermal protection?<\/strong><\/p>\n<p class=\"\" data-start=\"5001\" data-end=\"5086\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">A: Yes, it includes thermal shutdown protection to prevent damage from overheating.<\/span><\/p>\n<p>The <a href=\"https:\/\/www.flywing-tech.com\/p\/7081518\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #1d39c4;\"><strong>TPS54231DR<\/strong><\/span><\/a> is a high-performance nonsynchronous step-down converter produced by Texas Instruments. It integrates a low RDS(on) high-side MOSFET and is designed for high efficiency under light-load conditions with pulse-skipping Eco-mode\u2122 functionality, making it suitable for various power management applications.<\/p>\n<p style=\"text-align: start;\"><strong>Technical Specifications<\/strong><\/p>\n<ul>\n<li style=\"text-align: start;\">Input Voltage Range: 3.5V to 28V.<\/li>\n<li style=\"text-align: start;\">Output Voltage: Adjustable down to 0.8V.<\/li>\n<li style=\"text-align: start;\">Output Current: Supports up to 2A continuous output current.<\/li>\n<li style=\"text-align: start;\">Switching Frequency: Fixed at 570 kHz.<\/li>\n<li style=\"text-align: start;\">Quiescent Current: Typical shutdown quiescent current of 1\u03bcA.<\/li>\n<li style=\"text-align: start;\">Package: Easy-to-use SOIC8.<\/li>\n<li style=\"text-align: start;\">Operating Temperature Range: -40\u00b0C to +150\u00b0C.<\/li>\n<\/ul>\n<p style=\"text-align: start;\"><strong>Features<\/strong><\/p>\n<ul>\n<li style=\"text-align: start;\">High Efficiency: Automatically activates pulse-skipping Eco-mode? for efficiency under light loads.<\/li>\n<li style=\"text-align: start;\">Low Power Consumption: Typical shutdown quiescent current of 1\u03bcA, ideal for battery-powered applications.<\/li>\n<li style=\"text-align: start;\">Overvoltage Protection: Integrated overvoltage transient protection circuitry to limit voltage overshoot.<\/li>\n<li style=\"text-align: start;\">Programmable UVLO Threshold: Programs input UVLO hysteresis via a resistor divider.<\/li>\n<li style=\"text-align: start;\">Cycle-by-Cycle Current Limiting: Provides cycle-by-cycle current limiting, frequency foldback, and thermal shutdown for safe operation during overload conditions.<\/li>\n<li style=\"text-align: start;\">Adjustable Soft Start: Limits inrush current for a stable startup.<\/li>\n<\/ul>\n<p style=\"text-align: start;\"><strong>Applications<\/strong><\/p>\n<ul>\n<li style=\"text-align: start;\">Consumer Electronics: Such as set-top boxes, CPE equipment, LCD monitors, peripherals, and battery chargers.<\/li>\n<li style=\"text-align: start;\">Industrial Power: For industrial equipment and automation systems.<\/li>\n<li style=\"text-align: start;\">Automotive Audio: Provides stable power for car audio systems.<\/li>\n<li style=\"text-align: start;\">Distributed Power Systems: Suitable for 5V, 12V, and 24V distributed power systems.<\/li>\n<\/ul>\n<p style=\"text-align: start;\"><strong>Conclusion<\/strong><\/p>\n<p>The TPS54231DR is a high-performance, low-power <a href=\"https:\/\/www.flywing-tech.com\/blog\/detailed-introduction-of-tps5430ddar-high-efficiency-step-down-dc-dc-converter-chip\/\">step-down converter<\/a>. Its high efficiency, low power consumption, and comprehensive protection features make it an excellent choice for various power management applications. The integrated Eco-mode\u2122 and overvoltage protection ensure stable operation across different load conditions.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The TPS54231DR is a 2A, 28V input, step-down (buck) converter from Texas Instruments, renowned for its high efficiency, wide input voltage range, and compact design. Operating at a fixed frequency of 570kHz, it integrates Eco-mode\u2122 for improved efficiency under light loads. Its versatility makes it ideal for various applications, including consumer electronics, industrial systems, and [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":876,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>What Makes the TPS54231DR a Leading Step-Down Converter? - Fly-Wing<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"What Makes the TPS54231DR a Leading Step-Down Converter? - Fly-Wing\" \/>\r\n<meta property=\"og:description\" content=\"The TPS54231DR is a 2A, 28V input, step-down (buck) converter from Texas Instruments, renowned for its high efficiency, wide input voltage range, and compact design. Operating at a fixed frequency of 570kHz, it integrates Eco-mode\u2122 for improved efficiency under light loads. Its versatility makes it ideal for various applications, including consumer electronics, industrial systems, and [&hellip;]\" \/>\r\n<meta property=\"og:url\" content=\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/\" \/>\r\n<meta property=\"og:site_name\" content=\"Fly-Wing\" \/>\r\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=100090565081283\" \/>\r\n<meta property=\"article:published_time\" content=\"2025-04-25T13:13:15+00:00\" \/>\r\n<meta property=\"article:modified_time\" content=\"2025-04-28T14:33:50+00:00\" \/>\r\n<meta property=\"og:image\" content=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/04\/202504151019261926cfa90aFrame203.png\" \/>\r\n\t<meta property=\"og:image:width\" content=\"900\" \/>\r\n\t<meta property=\"og:image:height\" content=\"481\" \/>\r\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\r\n<meta name=\"author\" content=\"flywing\" \/>\r\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\r\n<meta name=\"twitter:creator\" content=\"@MIKEBigcoolguy\" \/>\r\n<meta name=\"twitter:site\" content=\"@MIKEBigcoolguy\" \/>\r\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"flywing\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\r\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/\"},\"author\":{\"name\":\"flywing\",\"@id\":\"https:\/\/www.flywing-tech.com\/blog\/#\/schema\/person\/aa98d7a110fa8d6510e5a0f6f537ad47\"},\"headline\":\"What Makes the TPS54231DR a Leading Step-Down Converter?\",\"datePublished\":\"2025-04-25T13:13:15+00:00\",\"dateModified\":\"2025-04-28T14:33:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/\"},\"wordCount\":961,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.flywing-tech.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/04\/202504151019261926cfa90aFrame203.png\",\"articleSection\":[\"Info\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/\",\"url\":\"https:\/\/www.flywing-tech.com\/blog\/tps54231dr-a-high-performance-step-down-converter\/\",\"name\":\"What Makes the TPS54231DR a Leading Step-Down Converter? 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Makes the TPS54231DR a Leading Step-Down Converter? - 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