{"product_id":"usb-dc-isolated-buck-converter-step-down-power-supply-module","title":"USB DC Isolated Buck Converter Step Down Power Supply Module","description":"\u003ch2\u003eUSB DC Isolated Buck Converter – Reliable Step Down Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eUSB DC Isolated Buck Converter Step Down Power Supply Module\u003c\/strong\u003e is a compact, high-efficiency power conversion solution for electronics projects, DIY builds, and professional applications. Designed to step down higher DC voltages (12V, 24V, 36V, 48V, 72V) to a stable 5V\/1A USB output, this isolated module ensures clean, regulated power for your sensitive devices and circuits.\u003c\/p\u003e\n\n\u003cp\u003eWith its \u003cstrong\u003eisolated design\u003c\/strong\u003e, this buck converter provides galvanic isolation between input and output, protecting your downstream electronics from voltage spikes, noise, and ground loops. The SMD-based construction keeps it compact at just \u003cstrong\u003e35mm × 26mm × 15mm\u003c\/strong\u003e — easy to integrate into tight enclosures or custom builds.\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 Compatible with 12V, 24V, 36V, 48V, and 72V DC input sources\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable 5V\/1A USB Output:\u003c\/strong\u003e Delivers consistent, regulated power for USB-powered devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e Isolated topology protects sensitive electronics from interference and voltage transients\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e 35mm × 26mm × 15mm SMD design fits easily into custom enclosures and DIY projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Buck (step-down) conversion minimizes heat generation and energy waste\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Available as an isolation transducer variant for tailored applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e 1× SMD Buck Converter Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive and vehicle USB charging from 12V\/24V systems\u003c\/li\u003e\n  \u003cli\u003eIndustrial control panels and automation equipment\u003c\/li\u003e\n  \u003cli\u003eSolar energy systems and battery-powered setups\u003c\/li\u003e\n  \u003cli\u003eDIY electronics projects and prototyping\u003c\/li\u003e\n  \u003cli\u003ePowering Raspberry Pi, Arduino, and other microcontroller boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 12V \/ 24V \/ 36V \/ 48V \/ 72V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 5V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 1A (max)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 35mm × 26mm × 15mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e SMD (Surface Mount Device)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Isolated DC-DC Buck Converter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking to expand your electronics toolkit? Check out these related items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003e4\/6mm CCB Flat Round Spacer Beads DIY Jewelry Making 100-200pcs\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire 1mm–3mm | DIY Jewelry Making Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/gold-silver-drawstring-jewelry-gift-bags-pouches-50pcs\"\u003e50pcs Gold \u0026amp; Silver Drawstring Jewelry Gift Bags 7x9 9x12cm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does an isolated USB DC buck converter step down module do?\u003c\/h4\u003e\n\u003cp\u003eA: An isolated USB DC buck converter step down module takes a higher DC input voltage (such as 12V, 24V, 36V, 48V, or 72V) and converts it down to a stable 5V\/1A USB output. The \"isolated\" design means there is galvanic separation between the input and output circuits, which protects your connected devices from voltage noise, spikes, and interference — making it ideal for sensitive electronics and professional installations.\u003c\/p\u003e\n\u003ch4\u003eQ: What input voltages is this buck converter compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This isolated buck converter step down module supports a wide DC input voltage range including 12V, 24V, 36V, 48V, and 72V, making it versatile for automotive systems, industrial equipment, solar setups, and more — all delivering a regulated 5V\/1A USB output.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this module suitable for DIY electronics and prototyping projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The compact SMD design (35mm × 26mm × 15mm) makes this USB DC isolated buck converter easy to integrate into DIY builds, custom enclosures, Arduino or Raspberry Pi projects, and other prototyping applications where reliable, regulated 5V power from a higher-voltage DC source is needed.\u003c\/p\u003e\n\u003ch4\u003eQ: Why choose an isolated buck converter over a non-isolated one?\u003c\/h4\u003e\n\u003cp\u003eA: An isolated buck converter provides galvanic isolation between the input and output, which prevents ground loops, reduces electrical noise, and shields sensitive downstream components from voltage transients. This is especially important in automotive, industrial, or mixed-signal environments where signal integrity matters.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does an isolated USB DC buck converter step down module do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An isolated USB DC buck converter step down module takes a higher DC input voltage (such as 12V, 24V, 36V, 48V, or 72V) and converts it down to a stable 5V\/1A USB output. The \\\"isolated\\\" design means there is galvanic separation between the input and output circuits, which protects your connected devices from voltage noise, spikes, and interference — making it ideal for sensitive electronics and professional installations.\"}}, {\"@type\": \"Question\", \"name\": \"What input voltages is this buck converter compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This isolated buck converter step down module supports a wide DC input voltage range including 12V, 24V, 36V, 48V, and 72V, making it versatile for automotive systems, industrial equipment, solar setups, and more — all delivering a regulated 5V\/1A USB output.\"}}, {\"@type\": \"Question\", \"name\": \"Is this module suitable for DIY electronics and prototyping projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The compact SMD design (35mm × 26mm × 15mm) makes this USB DC isolated buck converter easy to integrate into DIY builds, custom enclosures, Arduino or Raspberry Pi projects, and other prototyping applications where reliable, regulated 5V power from a higher-voltage DC source is needed.\"}}, {\"@type\": \"Question\", \"name\": \"Why choose an isolated buck converter over a non-isolated one?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"An isolated buck converter provides galvanic isolation between the input and output, which prevents ground loops, reduces electrical noise, and shields sensitive downstream components from voltage transients. 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