{"product_id":"300w-9a-buck-converter","title":"300W 9A Buck Converter","description":"\u003ch1\u003e300W 9A Step-Down Buck Converter – 5-40V to 1.2-35V Adjustable Power Supply Module\u003c\/h1\u003e\n\u003cp\u003eDeliver stable, efficient power regulation with this high-performance step-down buck converter. Built around a dedicated control IC and high-precision current sensing resistor, this module provides reliable constant current output with minimal ripple — making it a dependable solution for LED driver applications and variable voltage power supply needs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated benchmark IC\u003c\/strong\u003e for stable, precise constant current regulation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-precision current sensing resistor\u003c\/strong\u003e for consistent performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow output ripple\u003c\/strong\u003e thanks to high-frequency capacitors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuously adjustable output voltage\u003c\/strong\u003e from 1.2V to 35V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable constant current range\u003c\/strong\u003e from 0.2A to 9A\u003c\/li\u003e\n\u003cli\u003eSuitable for use as an \u003cstrong\u003eLED driver\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V – 40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e1.2V – 35V (continuously adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e7A (add cooling fan if power tube exceeds 65°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstant Current Range\u003c\/td\u003e\n\u003ctd\u003e0.2A – 9A (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Power\u003c\/td\u003e\n\u003ctd\u003e~300W (add cooling fan if power tube exceeds 65°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 6.5 × 4.8 × 2.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003ePCB board with electronic components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Notice:\u003c\/strong\u003e When operating at loads where the power tube temperature exceeds 65°C, the addition of a cooling fan is required to maintain safe and reliable operation. Maximum 9A output is not recommended for continuous use.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"38-3D","offers":[{"title":"Default Title","offer_id":51739267924264,"sku":"300W_Buck_Converter","price":7.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7581\/0600\/files\/main_images__1_8dc21856-b84c-4155-82b8-67a15c1bc5c7.jpg?v=1776869070","url":"https:\/\/38-3d.co.uk\/products\/300w-9a-buck-converter","provider":"38-3D","version":"1.0","type":"link"}