{"product_id":"pololu-3-3v-step-up-step-down-voltage-regulator-s7v8f3","title":"Pololu 3.3V Step-Up\/Step-Down Voltage Regulator S7V8F3","description":"\u003cdiv class=\"product-copy\"\u003e\n\u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\u003ch2\u003eKeep Output Voltage Steady with Pololu 3.3V Step-Up\/Step-Down Voltage Regulator S7V8F3\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePololu 3.3V Step-Up\/Step-Down Voltage Regulator S7V8F3\u003c\/strong\u003e keeps output voltage steady even when the input moves above or below the target level.\u003c\/p\u003e\n\u003cp\u003eThat makes it a good choice for battery systems, mobile robots, and field devices that need dependable power across a wide input range.\u003c\/p\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Choose a regulator based on your full input-voltage range, startup current, thermal limits, and required headroom. Real output current depends on input voltage, airflow, and temperature.\u003c\/div\u003e\n\u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuck-boost topology: regulates 3.3V when VIN is higher, lower, or equal to 3.3V\u003c\/li\u003e\n\u003cli\u003eEfficient: typical efficiency is over 90% (often ~80–95% depending on VIN\/load)\u003c\/li\u003e\n\u003cli\u003eUseful current range: typically delivers 500mA to 1A across most input\/output combinations; up to ~1A continuous when stepping down (VIN…\u003c\/li\u003e\n\u003cli\u003eLow power draw: power-saving feature keeps efficiency high at light loads (quiescent current \u0026lt; 0.1mA)\u003c\/li\u003e\n\u003cli\u003eProtection built-in: short-circuit protection + thermal shutdown\u003c\/li\u003e\n\u003cli\u003eSHDN pin: pull low to disable for low-power standby; can be tied to VIN or left floating to stay enabled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you can build\u003c\/h3\u003e\n\u003cp\u003eUseful for battery-powered devices, mobile robots, field instruments, and portable systems where the input can move above and below the target output.\u003c\/p\u003e\n\u003ch3\u003eCompare regulator options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTopology\u003c\/th\u003e\n\u003cth\u003eOutput\u003c\/th\u003e\n\u003cth\u003eMax current\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD36V6F3\u003c\/td\u003e\n\u003ctd\u003eBuck\u003c\/td\u003e\n\u003ctd\u003e3.3 V\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS7V8F3\u003c\/td\u003e\n\u003ctd\u003eBuck-Boost\u003c\/td\u003e\n\u003ctd\u003e3.3 V\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD24V5F3\u003c\/td\u003e\n\u003ctd\u003eBuck\u003c\/td\u003e\n\u003ctd\u003e3.3 V\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003ePololu 3.3V Step-Up\/Step-Down Voltage Regulator S7V8F3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003ePololu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eS7V8F3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eDC-DC Step-Up\/Step-Down Regulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTopology\u003c\/th\u003e\n\u003ctd\u003eStep-Down (Buck)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Voltage\u003c\/th\u003e\n\u003ctd\u003e3.3 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupport\u003c\/th\u003e\n\u003ctd\u003eOfficial Pololu product search and support resources linked below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOfficial resources\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.pololu.com\/search?query=S7V8F3\" target=\"_blank\" rel=\"noopener\"\u003eFind this product on Pololu\u003c\/a\u003e | \u003ca href=\"https:\/\/www.pololu.com\/resources\" target=\"_blank\" rel=\"noopener\"\u003ePololu support and resources\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cp\u003e1 × Pololu 3.3V Step-Up\/Step-Down Voltage Regulator S7V8F3\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv class=\"faq-list\"\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eCan I power a microcontroller with this?\u003c\/strong\u003e\u003cbr\u003eYes, if the regulator’s output voltage and current match your controller and all attached loads.\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eWill it run cool at full load?\u003c\/strong\u003e\u003cbr\u003eIt depends on input voltage, airflow, and load current. Check thermal limits in the official Pololu resources.\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eIs this better than a linear regulator?\u003c\/strong\u003e\u003cbr\u003eFor many builds, yes. Switching regulators are usually more efficient and waste less heat.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Pololu","offers":[{"title":"Default Title","offer_id":52233266692385,"sku":"POL2122","price":744.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/pololu-3-3v-step-up-step-down-voltage-regulator-s7v8f3-hires.jpg?v=1778921568","url":"https:\/\/circuit.rocks\/products\/pololu-3-3v-step-up-step-down-voltage-regulator-s7v8f3","provider":"circuitrocks","version":"1.0","type":"link"}