{"title":"Buck/Boost Converter - 8-40V to 12V/3A","handle":"buck-boost-converter-8-40v-to-12v-3a","url":"/products/buck-boost-converter-8-40v-to-12v-3a","description":"An industrial-grade DC buck-boost converter that accepts 8–40V input and delivers a regulated 12V output at up to 3A (36W). Ideal for battery-powered systems where input voltage varies — such as SLA or LiFePO4 batteries powering routers, Wi-Fi equipment, or other 12V loads — this module automatically steps voltage up or down to maintain a steady 12V output.\n\nWith 85% efficiency, generous heatsinking, and built-in protection, this is a reliable plug-and-play DC-DC solution for a wide range of power conditioning applications.\n\nKey Features\n\n\nBuck-Boost Operation – Steps voltage up or down to deliver steady 12V output\n\nWide Input Range – 8–40V DC input for flexible power sourcing\n\n12V / 3A Output – Up to 36W regulated output\n\n85% Efficiency – Minimises heat and power waste\n\n±1% Output Accuracy – Tight voltage regulation\n\nIndustrial Grade – Robust construction with heatsinking and protection\n\nLow Ripple – 100mV peak-to-peak output ripple\n\n\nIdeal For\n\nBattery systems (SLA, LiFePO4) powering 12V equipment\nRouters, Wi-Fi access points, and networking gear on battery backup\nSolar and off-grid power systems\nAutomotive and mobile electronics requiring regulated 12V\n\n\nSpecifications\n\n\nInput Voltage – 8–40V DC\n\nInput Current – 1–6.8A DC\n\nOutput Voltage – 12V DC (±1%)\n\nOutput Current – Up to 3A (36W)\n\nQuiescent Current – 25mA\n\nEfficiency – 85%\n\nLine Regulation – ±0.2%\n\nOutput Ripple – 100mV peak-to-peak\n\nSwitching Frequency – 160kHz\n\n\nPackage Contents\n\n1× Buck/Boost Converter (WG8-40S1203)\n\n\nResources\n\nWG8-40S1203 Datasheet (PDF)\n","vendor":"SparkFun","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3255,"title":"Default Title","sku":"SF-COM-18376","price":58.91,"on_sale":false,"in_stock":true,"available_quantity":67,"option1":"Default Title"}]}