{"product_id":"dc-dc-buck-converter-step-down-module-10-100v-to-5v-9v-12v-24v-3a","title":"DC-DC Buck Converter 10-100V to 5V\/9V\/12V\/24V 3A Step-Down Module","description":"\n\u003ch2\u003eDC-DC Step-Down Buck Converter Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eBring reliable, efficient power conversion to your electronics projects with this compact DC-DC Step-Down (Buck) Power Supply Module. Designed for makers, engineers, and hobbyists, this board accepts a wide input range of DC 10–100V and delivers a stable fixed output of DC 5V, 9V, 12V, or 24V at up to 3A — making it ideal for automotive systems, solar setups, industrial automation, and DIY electronics. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Range:\u003c\/strong\u003e Accepts DC 10V to 100V, compatible with a broad variety of power sources including 12V\/24V\/48V vehicle systems and high-voltage DC rails.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFixed Output Options:\u003c\/strong\u003e Select from DC 5V, 9V, 12V, or 24V output — perfectly suited for powering microcontrollers, sensors, LED strips, USB devices, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Conversion Efficiency:\u003c\/strong\u003e Achieves up to 95% efficiency with an optimized switching design, minimizing heat generation and energy loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Ripple Output:\u003c\/strong\u003e Advanced circuit design reduces output ripple for stable, clean power delivery to sensitive electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Over-Temperature Protection:\u003c\/strong\u003e Integrated thermal protection automatically shuts the module down if temperatures exceed safe operating limits, protecting both the board and connected devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e On-board output fuse and TVS (Transient Voltage Suppressor) guard against accidental short circuits and voltage spikes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact Design:\u003c\/strong\u003e Miniaturized, highly integrated PCB fits easily into tight enclosures and project builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\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\u003eDC 10V – 100V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ 9V \/ 12V \/ 24V (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatic Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConversion Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 95%\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-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOver-temperature, short-circuit, output fuse, TVS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× DC-DC Step-Down Buck Power Supply Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Due to lighting and screen variation, the actual color may differ slightly from product images. Please allow ±1mm–1cm tolerance due to manual measurement.\u003c\/p\u003e\n\n\u003cp\u003eFor general electrical safety guidance when working with power supply circuits, refer to the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What input voltage range does this DC-DC buck converter module support?\u003c\/h4\u003e\n\u003cp\u003eA: This step-down power supply module supports a wide input voltage range of DC 10V to 100V, making it compatible with a variety of power sources including 12V car batteries, 24V industrial supplies, 48V solar systems, and other high-voltage DC rails up to 100V.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the available fixed output voltages for this buck converter board?\u003c\/h4\u003e\n\u003cp\u003eA: The module is available in fixed output options of DC 5V, 9V, 12V, or 24V. Each variant is pre-configured at the factory, so please select the correct output voltage for your application at the time of purchase.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What protection features does this power supply module include?\u003c\/h4\u003e\n\u003cp\u003eA: This module includes built-in over-temperature protection (automatic shutdown when thermal limits are exceeded), output short-circuit protection, an output fuse, and a TVS (Transient Voltage Suppressor) to protect against voltage spikes — ensuring safe and reliable operation for your connected devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this buck converter be used in automotive or outdoor applications?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With an operating temperature range of -40°C to +85°C and a wide input voltage range starting at 10V, this module is well-suited for automotive 12V\/24V systems and outdoor or industrial environments where temperature extremes may be encountered.\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 this DC-DC buck converter module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This step-down power supply module supports a wide input voltage range of DC 10V to 100V, making it compatible with a variety of power sources including 12V car batteries, 24V industrial supplies, 48V solar systems, and other high-voltage DC rails up to 100V.\"}}, {\"@type\": \"Question\", \"name\": \"What are the available fixed output voltages for this buck converter board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module is available in fixed output options of DC 5V, 9V, 12V, or 24V. Each variant is pre-configured at the factory, so please select the correct output voltage for your application at the time of purchase.\"}}, {\"@type\": \"Question\", \"name\": \"What protection features does this power supply module include?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module includes built-in over-temperature protection (automatic shutdown when thermal limits are exceeded), output short-circuit protection, an output fuse, and a TVS (Transient Voltage Suppressor) to protect against voltage spikes — ensuring safe and reliable operation for your connected devices.\"}}, {\"@type\": \"Question\", \"name\": \"Can this buck converter be used in automotive or outdoor applications?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. With an operating temperature range of -40°C to +85°C and a wide input voltage range starting at 10V, this module is well-suited for automotive 12V\/24V systems and outdoor or industrial environments where temperature extremes may be encountered.\"}}]}\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:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC-DC Buck Converter 10-100V to 5V\/9V\/12V\/24V 3A Step-Down Module\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/dc-dc-buck-converter-step-down-module-10-100v-to-5v-9v-12v-24v-3a\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"12V","offer_id":48749148143808,"sku":"200023264:201532829#12V","price":29.99,"currency_code":"USD","in_stock":true},{"title":"24V","offer_id":48749148176576,"sku":"200023264:201532828#24V","price":29.99,"currency_code":"USD","in_stock":true},{"title":"5V","offer_id":48749148209344,"sku":"200023264:200004549#5V","price":29.99,"currency_code":"USD","in_stock":true},{"title":"9V","offer_id":48749148242112,"sku":"200023264:200004548#9V","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S65641fc6c1e246fc82fea605c95fe01ae.webp?v=1786205851","url":"https:\/\/vueselect.com\/products\/dc-dc-buck-converter-step-down-module-10-100v-to-5v-9v-12v-24v-3a","provider":"Vue","version":"1.0","type":"link"}