{"product_id":"dc-dc-buck-converter-300w-20a-adjustable-step-down-power-supply-module-with-heatsink","title":"DC-DC Buck Converter 300W 20A Adjustable Step-Down Power Supply Module with Heatsink","description":"\u003ch2\u003eDC-DC Buck Converter 300W 20A — Adjustable Step-Down Power Supply Module\u003c\/h2\u003e\u003cp\u003eThis high-power DC-DC step-down (buck) converter module delivers up to 300W and 20A of continuous output current with excellent efficiency. Featuring a large aluminum heatsink, toroidal inductor, and high-capacity electrolytic capacitors, it is built for demanding applications where stable, adjustable voltage is critical. Whether you're powering motors, LED arrays, battery chargers, or lab benches — this module handles it all with ease.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e300W maximum output power\u003c\/li\u003e\n\u003cli\u003e20A continuous output current\u003c\/li\u003e\n\u003cli\u003eWide input voltage range: 5V – 40V DC\u003c\/li\u003e\n\u003cli\u003eAdjustable output voltage: 1.2V – 35V DC (via onboard potentiometer)\u003c\/li\u003e\n\u003cli\u003eHigh conversion efficiency: up to 95%\u003c\/li\u003e\n\u003cli\u003eLarge aluminum heatsink for passive thermal management\u003c\/li\u003e\n\u003cli\u003eToroidal core inductor for low EMI and high efficiency\u003c\/li\u003e\n\u003cli\u003eHigh-capacity electrolytic capacitors for stable output\u003c\/li\u003e\n\u003cli\u003eScrew terminal blocks for secure wire connections\u003c\/li\u003e\n\u003cli\u003eShort-circuit and overcurrent protection\u003c\/li\u003e\n\u003cli\u003eMounting holes for easy panel or chassis installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 5V – 40V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 1.2V – 35V DC (adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Output Current:\u003c\/strong\u003e 20A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Output Power:\u003c\/strong\u003e 300W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e Up to 95%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTopology:\u003c\/strong\u003e Synchronous Buck (Step-Down)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInductor Type:\u003c\/strong\u003e Toroidal core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling:\u003c\/strong\u003e Aluminum heatsink (passive)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Screw terminal blocks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVariable bench power supply\u003c\/li\u003e\n\u003cli\u003eSolar panel voltage regulation\u003c\/li\u003e\n\u003cli\u003eMotor speed control and DC motor drives\u003c\/li\u003e\n\u003cli\u003eHigh-power LED driver\u003c\/li\u003e\n\u003cli\u003eBattery charging circuits\u003c\/li\u003e\n\u003cli\u003eIndustrial automation and robotics\u003c\/li\u003e\n\u003cli\u003eCar audio and automotive power conversion\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lahore Store","offers":[{"title":"Default Title","offer_id":55854033338441,"sku":null,"price":850.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/9090\/2089\/files\/WhatsApp_Image_2026-07-28_at_6.41.05_PM_1.jpg?v=1785325956","url":"https:\/\/lahorestore.pk\/products\/dc-dc-buck-converter-300w-20a-adjustable-step-down-power-supply-module-with-heatsink","provider":"Lahore Store","version":"1.0","type":"link"}