{"product_id":"mp1584en-adjustable-dc-dc-step-down-buck-module-3a","title":"MP1584EN Adjustable DC-DC Step-Down Buck Module 3A 4.5–28V In (2-Pack)","description":"\u003ch2\u003eMP1584EN Adjustable DC-DC Step-Down Buck Converter Module — 3A \/ 4.5–28V\u003c\/h2\u003e\u003cp\u003eThis compact \u003cstrong\u003eMP1584EN buck converter module\u003c\/strong\u003e steps down input voltage from \u003cstrong\u003e4.5V–28V\u003c\/strong\u003e to an adjustable output of \u003cstrong\u003e0.8V–20V\u003c\/strong\u003e at up to \u003cstrong\u003e3A continuous current\u003c\/strong\u003e. Operating at \u003cstrong\u003e1.5MHz\u003c\/strong\u003e switching frequency, it uses tiny external components and achieves up to \u003cstrong\u003e92% efficiency\u003c\/strong\u003e — ideal for powering Arduino, Raspberry Pi, ESP32, and other embedded systems from higher-voltage sources.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC\u003c\/td\u003e\n\u003ctd\u003eMP1584EN (MPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e4.5V – 28V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e0.8V – 20V (adjustable via trimmer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e3A continuous (4A peak)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e1.5MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003eUp to 92%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDropout Voltage\u003c\/td\u003e\n\u003ctd\u003e~0.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Ripple\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;30mV typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Size\u003c\/td\u003e\n\u003ctd\u003e~23 × 17mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose MP1584EN Module?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Compact\u003c\/strong\u003e — 23×17mm footprint, smallest in its class for 3A output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5MHz Switching\u003c\/strong\u003e — Enables tiny inductor and capacitor, reducing module size\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e92% Efficiency\u003c\/strong\u003e — Minimal heat generation; no heatsink needed at moderate loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Input Range\u003c\/strong\u003e — 4.5V–28V covers 5V, 9V, 12V, 24V sources\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Output\u003c\/strong\u003e — Onboard trimmer pot sets output from 0.8V to 20V\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e12V\/24V to 5V conversion for Arduino, ESP32, Raspberry Pi\u003c\/li\u003e\n\u003cli\u003eLi-ion battery (3S–6S) to 5V\/3.3V regulation\u003c\/li\u003e\n\u003cli\u003eSolar panel to USB 5V charging regulator\u003c\/li\u003e\n\u003cli\u003eCar 12V to 5V USB power supply\u003c\/li\u003e\n\u003cli\u003eIndustrial 24V bus to logic-level power\u003c\/li\u003e\n\u003cli\u003eLED strip voltage regulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWiring Guide\u003c\/h3\u003e\u003cp\u003eConnect IN+ \/ IN− to power source. Connect OUT+ \/ OUT− to load. Adjust trimmer clockwise to increase output voltage. Measure output with multimeter before connecting sensitive loads.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can MP1584EN module output 3.3V from a 5V input?\u003c\/strong\u003e\u003cbr\u003eA: Yes — minimum dropout is ~0.5V, so 5V in → 3.3V out works fine at up to 3A.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is there short-circuit protection?\u003c\/strong\u003e\u003cbr\u003eA: The MP1584EN IC has cycle-by-cycle current limiting. Sustained short-circuit may cause thermal shutdown — always fuse the input.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2× MP1584EN Adjustable DC-DC Step-Down Buck Module\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"3A step-down","offer_id":46991486681323,"sku":"14:1202#3A step-down","price":12.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/mp1584en-dc-dc-stepdown-module.webp?v=1761538946","url":"https:\/\/keszoox.com\/products\/mp1584en-adjustable-dc-dc-step-down-buck-module-3a","provider":"Keszoox","version":"1.0","type":"link"}