{"product_id":"5v-3a-step-up-step-down-voltage-regulator-s13v30f5","title":"Pololu 5V 3A Step-Up\/Step-Down Voltage Regulator S13V30F5","description":"\u003cstyle\u003e\n .crx-scope{line-height:1.7}\n .crx-scope h2{font-size:1.6rem;margin:0 0 .75rem}\n .crx-scope h3{font-size:1.2rem;margin:1.15rem 0 .55rem}\n .crx-scope p{margin:.55rem 0}\n .crx-scope ul{margin:.35rem 0 .95rem 1.15rem}\n .crx-scope li{margin:.25rem 0}\n .crx-scope .pill{display:inline-block;padding:.22rem .62rem;border:1px solid rgba(0,0,0,.12);border-radius:999px;margin:.2rem .35rem .2rem 0;font-size:.86rem;background:#f9fafb}\n .crx-scope .card{border:1px solid rgba(0,0,0,.10);border-radius:16px;padding:14px 16px;margin:12px 0;background:#fff}\n .crx-scope .grid{display:grid;gap:12px}\n @media(min-width:860px){.crx-scope .cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}\n .crx-scope table{width:100%;border-collapse:collapse;margin:.35rem 0 0}\n .crx-scope th,.crx-scope td{border:1px solid rgba(0,0,0,.10);padding:10px 12px;text-align:left;font-size:16px}\n .crx-scope th{background:#f9fafb}\n .crx-scope a{color:#15803d;text-decoration:underline;text-decoration-style:dashed}\n .crx-scope .note{color:#374151;font-size:.95em}\n .crx-scope .faq-list{list-style:none;padding-left:0;margin:.6rem 0 0}\n .crx-scope .faq-list li{border:1px solid rgba(0,0,0,.10);border-radius:14px;padding:12px 14px;margin:10px 0}\n .crx-scope .faq-q{font-weight:700;margin:0 0 6px}\n \u003c\/style\u003e\n\u003cdiv class=\"product-copy crx-scope\"\u003e\n\u003ch2\u003e5V 3A Step-Up \/ Step-Down (Buck-Boost) Regulator — S13V30F5\u003c\/h2\u003e\n\u003cp\u003eWhen your power source can move \u003cem\u003eabove and below\u003c\/em\u003e 5V (battery packs, USB power banks, 1–4 cell systems), a normal buck converter won’t cut it. The \u003cstrong\u003eS13V30F5\u003c\/strong\u003e is a high-efficiency \u003cstrong\u003ebuck-boost DC-DC regulator\u003c\/strong\u003e that keeps your output at a stable \u003cstrong\u003e5V\u003c\/strong\u003e while the input swings from \u003cstrong\u003e2.8V up to 22V\u003c\/strong\u003e. Perfect for makers who want one reliable 5V rail for sensors, microcontrollers, and 5V modules.\u003c\/p\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep-up + step-down in one:\u003c\/strong\u003e maintains 5V even when VIN drops below 5V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh efficiency:\u003c\/strong\u003e typically \u003cstrong\u003e85–95%\u003c\/strong\u003e depending on VIN and load—less heat and better battery life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong output capability:\u003c\/strong\u003e designed for \u003cstrong\u003eup to ~3A continuous\u003c\/strong\u003e (thermal conditions matter; typical max continuous varies with VIN).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in protection:\u003c\/strong\u003e reverse-voltage protection (up to 20V), over-current\/short protection, and over-temperature shutoff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft-start + protections:\u003c\/strong\u003e helps reduce inrush; includes input under-voltage lockout and output over-voltage protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnable (EN) pin:\u003c\/strong\u003e shut the regulator off for low-power standby (useful for battery builds).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"note\"\u003eTip for low-VIN setups: some units can draw higher quiescent current around ~3.0–3.3V input. Keep wires short and add a small capacitor (tens of µF) close to VIN\/GND to reduce the spike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhy this is better than a typical “buck” module\u003c\/h3\u003e\n\u003cdiv class=\"grid cols-2\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eBattery-friendly 5V rail\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eWorks with sources that start above 5V and discharge below 5V\u003c\/li\u003e\n\u003cli\u003eHelps prevent brownouts on 5V logic\u003c\/li\u003e\n\u003cli\u003eExcellent for portable builds and demos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cstrong\u003eProject-ready details\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eEN pin for power saving \/ low-VIN cutoff tricks\u003c\/li\u003e\n\u003cli\u003eReverse protection for wiring mistakes\u003c\/li\u003e\n\u003cli\u003eMounting holes for clean installs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eInput voltage\u003c\/th\u003e\n\u003ctd\u003e2.8V to 22V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput voltage\u003c\/th\u003e\n\u003ctd\u003e5V fixed (±3% accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput current\u003c\/th\u003e\n\u003ctd\u003eUp to ~3A continuous (thermally dependent; typical max continuous varies with VIN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical efficiency\u003c\/th\u003e\n\u003ctd\u003e85% to 95% (VIN\/load dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSwitching frequency\u003c\/th\u003e\n\u003ctd\u003e~500 kHz (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReverse-voltage protection\u003c\/th\u003e\n\u003ctd\u003eYes (up to 20V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtections\u003c\/th\u003e\n\u003ctd\u003eUVLO, output over-voltage protection, over-current\/short, over-temp, soft-start\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e0.9″ × 0.9″ × 0.38″ (22.9 × 22.9 × 9.7 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e~3.5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003e2× 0.086″ holes (#2 \/ M2 screws)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePinout \u0026amp; power notes\u003c\/h3\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVIN\u003c\/strong\u003e → input positive (2.8–22V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND\u003c\/strong\u003e → common ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVOUT\u003c\/strong\u003e → regulated 5V output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEN\u003c\/strong\u003e → pull low to disable (low-power standby); leave as-is for normal operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"note\"\u003eFor high current: use short\/thick wires, solid connectors, and avoid thin breadboard jumpers. Add a bulk capacitor near your load if you see dips on sudden load changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul class=\"faq-list\"\u003e\n\u003cli\u003e\n\u003cdiv class=\"faq-q\"\u003eWhen should I choose this instead of a buck converter?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eChoose this when your input can go \u003cstrong\u003ebelow 5V\u003c\/strong\u003e (e.g., batteries discharging, power banks, variable sources). A buck-only regulator cannot maintain 5V if VIN drops under 5V.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"faq-q\"\u003eCan it really do 3A?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eIt’s designed for ~3A-class loads, but continuous current depends on VIN, airflow, and heat. Use good wiring and keep the module ventilated for best results.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"faq-q\"\u003eWhy does it get warm?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eAll switching regulators dissipate some power. Higher current and larger VIN→VOUT conversion increases heat—improve airflow and wiring to reduce losses.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Pololu","offers":[{"title":"Default Title","offer_id":52232659796257,"sku":"POL4082","price":1342.0,"currency_code":"PHP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/0J11254.1200.jpg?v=1768871370","url":"https:\/\/circuit.rocks\/products\/5v-3a-step-up-step-down-voltage-regulator-s13v30f5","provider":"circuitrocks","version":"1.0","type":"link"}