{"product_id":"lm1117t-3-3-low-dropout-ldo-voltage-regulator-fixed-3-3v-to-220-package","title":"LM1117T-3.3 Low Dropout (LDO) Voltage Regulator (Fixed 3.3V - TO-220 Package)","description":"\u003cp data-path-to-node=\"4\" id=\"p-rc_2bd0733a1d410df2-773\"\u003eWhen your project requires a rock-solid 3.3-Volt power rail—such as when powering an ESP32, an SD card module, or modern 3.3-Volt logic sensors—from a slightly higher voltage source like a 5-Volt USB wall adapter, the LM1117T-3.3 is exactly what you need. Traditional linear regulators typically require your input voltage to be at least two to three volts higher than your desired output just to function. \u003cspan class=\"citation-718 citation-end-718\"\u003eThe LM1117 series, however, is a \"Low Dropout\" (LDO) regulator.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-717 citation-end-717\"\u003eThis means it only requires an input voltage roughly 1.2 Volts higher than its output to maintain steady regulation, allowing you to effortlessly generate a clean 3.3 Volts straight from a standard 5-Volt line.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\" id=\"p-rc_2bd0733a1d410df2-774\"\u003eThis specific variant is factory-calibrated to deliver a fixed 3.3-Volt output, completely eliminating the need for external voltage-adjustment resistors and simplifying your circuit. \u003cspan class=\"citation-716 citation-end-716\"\u003eHoused in the rugged, breadboard-friendly TO-220 package, it can reliably supply up to 800 milliamps of continuous current.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-715 citation-end-715\"\u003eWhether you are adding a modern 3.3-Volt wireless module to an older 5-Volt control system or building a custom power distribution board, the LM1117 provides clean, stable power with built-in hardware safeguards.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eKey Features \u0026amp; Functional Advantages\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eLow Dropout Voltage:\u003c\/b\u003e Only requires about 1.2 Volts of overhead to operate, making it incredibly efficient when stepping down 5-Volt logic to 3.3-Volt logic without dropping out.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eFixed 3.3-Volt Output:\u003c\/b\u003e Factory preset for perfect 3.3-Volt regulation, saving board space by removing the need for an external resistor divider network.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\" id=\"p-rc_2bd0733a1d410df2-775\"\u003e\u003cspan class=\"citation-714\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-714\"\u003eHigh Output Current:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-714 citation-end-714\"\u003e Comfortably provides up to 800 milliamps of current, which is more than enough to handle the sudden power spikes required by complex Wi-Fi transceivers and microcontrollers.\u003csup class=\"superscript\" data-turn-source-index=\"6\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\" id=\"p-rc_2bd0733a1d410df2-776\"\u003e\u003cspan class=\"citation-713\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-713\"\u003eIndestructible Safety:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-713 citation-end-713\"\u003e Features built-in internal thermal shutdown and current limiting, ensuring the silicon safely turns itself off if it overheats or if the output is accidentally short-circuited.\u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\" id=\"p-rc_2bd0733a1d410df2-777\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eClassic TO-220 Package:\u003c\/b\u003e\u003cspan class=\"citation-712 citation-end-712\"\u003e The universal through-hole footprint allows for quick breadboard prototyping and provides a metal tab for easy attachment to an aluminum heatsink during high-current operations.\u003csup class=\"superscript\" data-turn-source-index=\"8\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003ePerfect For\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eLogic Level Powering:\u003c\/b\u003e The absolute best choice for providing safe 3.3-Volt power to sensitive modern electronics, displays, and sensors running on a primary 5-Volt system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eWireless Modules:\u003c\/b\u003e Delivering the necessary high-current bursts required when ESP32, ESP8266, or other heavy-draw transceivers transmit data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eCustom Prototyping:\u003c\/b\u003e The breadboard-friendly design allows you to easily plug it in alongside your microcontroller during the testing and development phase.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\" id=\"p-rc_2bd0733a1d410df2-778\"\u003e\u003cspan class=\"citation-711\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-711\"\u003eBattery Powered Devices:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-711 citation-end-711\"\u003e Extending usable run-time in projects where a standard linear regulator would shut down due to a lack of voltage headroom as the battery naturally drains.\u003csup class=\"superscript\" data-turn-source-index=\"9\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\" id=\"p-rc_2bd0733a1d410df2-779\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eDevice Type:\u003c\/b\u003e\u003cspan class=\"citation-710 citation-end-710\"\u003e Low Dropout (LDO) Linear Voltage Regulator\u003csup class=\"superscript\" data-turn-source-index=\"10\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\" id=\"p-rc_2bd0733a1d410df2-780\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eOutput Type:\u003c\/b\u003e\u003cspan class=\"citation-709 citation-end-709\"\u003e Fixed 3.3 Volts DC\u003csup class=\"superscript\" data-turn-source-index=\"11\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\" id=\"p-rc_2bd0733a1d410df2-781\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eInput Voltage Maximum:\u003c\/b\u003e\u003cspan class=\"citation-708 citation-end-708\"\u003e Up to 15.0 Volts DC\u003csup class=\"superscript\" data-turn-source-index=\"12\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\" id=\"p-rc_2bd0733a1d410df2-782\"\u003e\u003cspan class=\"citation-707\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-707\"\u003eMaximum Output Current:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-707 citation-end-707\"\u003e 800 milliamps\u003csup class=\"superscript\" data-turn-source-index=\"13\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\" id=\"p-rc_2bd0733a1d410df2-783\"\u003e\u003cspan class=\"citation-706\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-706\"\u003eVoltage Drop-Out:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-706 citation-end-706\"\u003e 1.2 Volts (Typical at maximum load)\u003csup class=\"superscript\" data-turn-source-index=\"14\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,5,0\" id=\"p-rc_2bd0733a1d410df2-784\"\u003e\u003cb data-path-to-node=\"11,5,0\" data-index-in-node=\"0\"\u003eQuiescent Current:\u003c\/b\u003e\u003cspan class=\"citation-705 citation-end-705\"\u003e 5 milliamps (Typical baseline power draw)\u003csup class=\"superscript\" data-turn-source-index=\"15\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,6,0\" id=\"p-rc_2bd0733a1d410df2-785\"\u003e\u003cspan class=\"citation-704\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"11,6,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-704\"\u003ePackage Type:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-704 citation-end-704\"\u003e 3-Pin TO-220 (Vertical through-hole with metal heatsink tab)\u003csup class=\"superscript\" data-turn-source-index=\"16\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K-TECHNICS","offers":[{"title":"Default Title","offer_id":42867876200519,"sku":null,"price":0.0,"currency_code":"KES","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/7637\/2039\/files\/416yDvMeF7L._SL1000.jpg?v=1781158018","url":"https:\/\/www.ktechnics.com\/products\/lm1117t-3-3-low-dropout-ldo-voltage-regulator-fixed-3-3v-to-220-package","provider":"K-TECHNICS","version":"1.0","type":"link"}