{"product_id":"lm317-adjustable-voltage-regulator-ic","title":"LM317 Adjustable Voltage Regulator IC","description":"\u003cmeta name=\"description\" content=\"Buy LM317 Adjustable Voltage Regulator IC online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003eLM317 Adjustable Voltage Regulator IC\u003c\/h1\u003e\n\u003cp\u003eBuild reliable, adjustable power supplies with the LM317 - the industry-standard 3-terminal positive voltage regulator capable of delivering output voltages from 1.25V to 37V at up to 1.5A. Available at The Tech Depot, Bengaluru, with fast shipping and full technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eLM317 \/ LM317T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-220 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegulator Type\u003c\/td\u003e\n\u003ctd\u003ePositive Adjustable Linear Voltage Regulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e1.25V to 37V (adjustable via external resistors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (Max)\u003c\/td\u003e\n\u003ctd\u003e1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (Max)\u003c\/td\u003e\n\u003ctd\u003e40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDropout Voltage\u003c\/td\u003e\n\u003ctd\u003e~2V (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Regulation\u003c\/td\u003e\n\u003ctd\u003e0.01% \/ V (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Regulation\u003c\/td\u003e\n\u003ctd\u003e0.1% (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Protection\u003c\/td\u003e\n\u003ctd\u003eThermal overload, short-circuit, safe operating area (SOA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 degreesC to +125 degreesC (junction)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\u003ctd\u003ePin 1: Adjust | Pin 2: Output | Pin 3: Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic from authorized supply chain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide adjustable output range:\u003c\/strong\u003e Set any voltage from 1.25V to 37V using just two external resistors (R1 and R2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh output current:\u003c\/strong\u003e Delivers up to 1.5A, suitable for powering microcontrollers, sensors, motors, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent regulation:\u003c\/strong\u003e Tight line and load regulation ensures stable output under varying conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive built-in protection:\u003c\/strong\u003e Thermal shutdown, current limiting, and safe operating area protection prevent damage from overloads and short circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow quiescent current:\u003c\/strong\u003e Efficient operation with minimal wasted power at the adjust pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-standard TO-220 package:\u003c\/strong\u003e Easy to mount on heatsinks for high-current applications; breadboard and PCB friendly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in replacement:\u003c\/strong\u003e Compatible with LM317T, LM317HVT, and equivalent parts from major manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the LM317 from The Tech Depot?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic ICs sourced directly from trusted, authorized distributors - no counterfeits\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse; same-day delivery within Bengaluru\u003c\/li\u003e\n\u003cli\u003eExpert technical support included - get help with circuit design, resistor calculations, and troubleshooting\u003c\/li\u003e\n\u003cli\u003eThoroughly tested and inspected before dispatch\u003c\/li\u003e\n\u003cli\u003eCompetitive pricing with bulk discounts for volume orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works - Basic Circuit\u003c\/h2\u003e\n\u003cp\u003eThe LM317 uses a simple resistor-divider network to set the output voltage. Connect a fixed resistor (R1, typically 240Ohm) between the Output and Adjust pins, and a second resistor (R2) between the Adjust pin and ground. The output voltage is calculated as:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eV_out = 1.25V x (1 + R2 \/ R1)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor best performance, add a 0.1uF ceramic capacitor at the input and a 1uF electrolytic capacitor at the output to ensure stability and reduce noise. A protection diode across the output-to-input pins is recommended when using large output capacitors.\u003c\/p\u003e\n\n\u003ch2\u003eCommon Output Voltage Examples\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesired Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eR1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eR2\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.3V\u003c\/td\u003e\n\u003ctd\u003e240Ohm\u003c\/td\u003e\n\u003ctd\u003e394Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003ctd\u003e240Ohm\u003c\/td\u003e\n\u003ctd\u003e720Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9V\u003c\/td\u003e\n\u003ctd\u003e240Ohm\u003c\/td\u003e\n\u003ctd\u003e1.49kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003ctd\u003e240Ohm\u003c\/td\u003e\n\u003ctd\u003e2.06kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Benchtop Power Supply:\u003c\/strong\u003e Pair with a potentiometer in place of R2 to create a continuously adjustable power supply for your electronics workbench - output from 1.25V to 37V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Charger Circuit:\u003c\/strong\u003e Build a constant-current\/constant-voltage charger for Li-ion, NiMH, or lead-acid batteries with precise voltage control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrocontroller Power Supply:\u003c\/strong\u003e Regulate uneven wall adapter or battery voltage down to a stable 3.3V or 5V for Arduino, ESP32, STM32, or\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy LM317 Adjustable Voltage Regulator IC Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eLM317 Adjustable Voltage Regulator IC\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eLM317 Adjustable Voltage Regulator IC\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eLM317 Adjustable Voltage Regulator IC\u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746532798721,"sku":"TTD-17357","price":10.49,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/926803cd51dd841ecb782b1303c0fe7b.jpg?v=1778106969","url":"https:\/\/techdepot.in\/products\/lm317-adjustable-voltage-regulator-ic","provider":"Tech Depot India","version":"1.0","type":"link"}