{"product_id":"ultra-small-dc-dc-step-down-buck-converter-3a-1-8-12v-adjustable","title":"Ultra-Small DC-DC Step-Down Buck Converter — 3A, 1.8–12V Adjustable, -40°C to 80°C","description":"\u003ch2\u003eUltra-Small DC-DC Step-Down Buck Converter — 3A, 1.8–12V Adjustable, -40°C to 80°C\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eultra-compact DC-DC step-down buck converter\u003c\/strong\u003e delivers up to 3A of regulated output current in a minimal PCB footprint, making it ideal for space-constrained projects such as drones, wearables, and custom embedded PCBs. Output voltage is adjustable from 1.8V to 12V via an onboard trimmer, covering the most common logic supply voltages (1.8V, 2.5V, 3.3V, 5V, 9V, 12V).\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eStep-down (buck)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e1.8V \/ 2.5V \/ 3.3V \/ 5V \/ 9V \/ 12V (adjustable via trimmer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eUltra-small (minimal PCB footprint)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose This Ultra-Small Buck Converter?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eUltra-compact footprint\u003c\/strong\u003e — fits in tight spaces where standard modules won't\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3A output\u003c\/strong\u003e — sufficient for Raspberry Pi Zero, Arduino, ESP32, and sensors\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1.8–12V adjustable\u003c\/strong\u003e — covers 1.8V, 3.3V, 5V, and 12V logic supply needs\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e-40°C to +80°C\u003c\/strong\u003e — reliable in drone, automotive, and outdoor applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eOnboard trimmer\u003c\/strong\u003e — set output voltage precisely without external components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino \/ ESP32 regulated 3.3V or 5V power supply\u003c\/li\u003e\n\u003cli\u003eDrone and UAV onboard power regulation\u003c\/li\u003e\n\u003cli\u003eWearable electronics compact power module\u003c\/li\u003e\n\u003cli\u003eCustom embedded PCB power stage\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi Zero portable power supply\u003c\/li\u003e\n\u003cli\u003eSpace-constrained IoT sensor node power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × Ultra-Small DC-DC Step-Down Buck Converter Module\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991435858155,"sku":"\u003cnone\u003e","price":4.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ultra-small-dc-dc-step-down-power-supply-3a-buck-converter.webp?v=1761880161","url":"https:\/\/keszoox.com\/products\/ultra-small-dc-dc-step-down-buck-converter-3a-1-8-12v-adjustable","provider":"Keszoox","version":"1.0","type":"link"}