{"product_id":"pololu-d42v55f12-12v-45a","title":"Pololu D42V55F12 12V 4.5A Step-Down Voltage Regulator","description":"\u003cdiv class=\"product-block-list__item product-block-list__item--description details_product\"\u003e\u003cdiv class=\"card\"\u003e\u003cdiv class=\"card__header\"\u003e\r\n\u003ch2 class=\"card__title heading h3\"\u003eDescription\u003c\/h2\u003e\r\n\u003c\/div\u003e\u003cdiv class=\"card__section expandable-content desc-view-more\" id=\"main-description\"\u003e\u003cdiv class=\"rte text--pull\"\u003e\u003cul\u003e\n\u003cli\u003ePololu D42V55F12 12V 4.5A Step-Down Voltage Regulator\u003c\/li\u003e\n\u003cli\u003eConverts voltages up to 60V to stable 12V output\u003c\/li\u003e\n\u003cli\u003eSupports 3A to 8A continuous output current\u003c\/li\u003e\n\u003cli\u003eOffers high efficiency of 85% to 95%\u003c\/li\u003e\n\u003cli\u003eIncludes reverse-voltage and over-current protection\u003c\/li\u003e\n\u003cli\u003eFeatures thermal shutdown and soft-start capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003ePololu D42V55F12 12V 4.5A Step-Down Voltage Regulator\u003c\/strong\u003e is a high-efficiency synchronous buck regulator designed to convert higher input voltages, up to 60 V, into a stable 12 V output. This regulator is part of the D42V55Fx family, known for their efficiency in reducing voltage, particularly when there is a significant difference between input and output voltages. It is capable of supporting continuous output currents ranging from 3 A to 8 A, depending on the specific input and output conditions.\u003c\/p\u003e\n\u003cp\u003eThis device incorporates several protective features to ensure reliable operation. It includes input reverse voltage protection and over-current protection to safeguard against electrical faults. Additionally, a thermal shutdown feature is integrated to prevent damage from overheating, while a soft-start feature limits inrush current and gradually increases the output voltage during startup.\u003c\/p\u003e\n\u003cp\u003eThe regulator is designed with a typical efficiency range of 85% to 95%, making it suitable for applications requiring energy conservation. It operates at a switching frequency of approximately 400 kHz under heavy loads and has a low no-load quiescent current, enhancing its efficiency in various conditions. The regulator also offers an optional enable input for low-power states and a power-good output for sequencing, fault detection, and voltage monitoring.\u003c\/p\u003e\n\u003cp\u003eNote: Ensure proper handling and installation to avoid electrical hazards.\u003c\/p\u003e\n\u003c\/div\u003e\u003cbutton class= \"expandable-content__toggle\" aria-expanded=\"false\" aria-controls=\"main-description\"\u003e\u003cspan class=\"expandable-content__toggle-icon\"\u003e\u003c\/span\u003e\u003cspan class=\"expandable-content__toggle-text\" data-view-more=\"View more\" data-view-less=\"View less\"\u003eView more\u003c\/span\u003e\u003c\/button\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-2\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eWhat's Included\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewBox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-2\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cp\u003eSix connections arranged on a 0.1″ grid for compatibility with solderless breadboards, 0.1″ male headers, and 0.1″ female headers.\u003c\/p\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-3\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eDimensions\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewBox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-3\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003e25.4 x 25.4 x 9 mm (1 x 0.355\u0026quot;)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\"Bottom View of 12V, 4.5A Step-Down Voltage Regulator D42V55F12 - Dimensions\" src=\"https:\/\/cdn.robotshop.com\/media\/p\/pol\/rb-pol-1754\/img\/pololu_d42v55f12_12v_4_5a_step_down_voltage_regula_dims.webp\" style=\"width: 600px;\" \/ loading=\"lazy\"\u003e\u003c\/p\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-7\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eSpecifications\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewBox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-7\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003eInput voltage: 12 V to 60 V (minimum input subject to dropout voltage considerations)\u003c\/li\u003e\n\u003cli\u003eOutput voltage: 12 V with 3% accuracy\u003c\/li\u003e\n\u003cli\u003eTypical maximum continuous output current: 3.5 A to 6.5 A\u003c\/li\u003e\n\u003cli\u003eTypical efficiency: 85% to 95%\u003c\/li\u003e\n\u003cli\u003eSwitching frequency: approximately 400 kHz under heavy loads\u003c\/li\u003e\n\u003cli\u003eTypical no-load quiescent current: less than 0.2 mA\u003c\/li\u003e\n\u003cli\u003eOptional enable input for low-power state\u003c\/li\u003e\n\u003cli\u003ePower-good output for sequencing, fault detection, and voltage monitoring\u003c\/li\u003e\n\u003cli\u003eIntegrated reverse-voltage protection, over-current protection, and over-temperature shutoff\u003c\/li\u003e\n\u003cli\u003eThree 0.086″ mounting holes for #2 or M2 screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\u003c\/div\u003e","brand":"Pololu","offers":[{"title":"Default Title","offer_id":54039724556456,"sku":"RB-Pol-1754","price":6283.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/1483\/6648\/files\/pololu_d42v55f12_12v_4_5a_step_down_voltage_regula_1.webp?v=1759760353","url":"https:\/\/jp.robotshop.com\/en\/products\/pololu-d42v55f12-12v-45a-step-down-voltage-regulator","provider":"RoboItchi","version":"1.0","type":"link"}