{"product_id":"ltc1871-dc-dc-boost-converter-module-3-35v-input-voltmeter","title":"LTC1871 DC-DC Boost Converter Module — 3–35V Input, 3.5–35V Output, Built-in Voltmeter","description":"\u003ch2\u003eLTC1871 DC-DC Boost Converter Module — 3–35V to 3.5–35V, Built-in Voltmeter\u003c\/h2\u003e\u003cp\u003eThis boost converter module is built around the LTC1871 wide input range current-mode PWM controller from Analog Devices (Linear Technology). It steps up input voltages from 3V to 35V to an adjustable output of 3.5V to 35V, with a built-in digital voltmeter for real-time output voltage monitoring. Suitable for DIY bench power supplies, battery-powered boost regulators, and voltage step-up applications where the output must exceed the input.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController IC\u003c\/td\u003e\n\u003ctd\u003eLTC1871\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 35V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e3.5V – 35V (adjustable, must be \u0026gt; Vin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003eDepends on input\/output ratio and inductor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003eAdjustable (external resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Voltmeter\u003c\/td\u003e\n\u003ctd\u003eYes (3-digit LED display)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Adjustment\u003c\/td\u003e\n\u003ctd\u003eOnboard potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose This LTC1871 Boost Module?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide 3–35V input range\u003c\/strong\u003e — works with single Li-ion cells (3.7V), 12V lead-acid, and 24V systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in voltmeter\u003c\/strong\u003e — real-time output voltage display without external multimeter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable output\u003c\/strong\u003e — onboard potentiometer for precise voltage setting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLTC1871 controller\u003c\/strong\u003e — high-performance current-mode PWM for stable regulation under varying loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact module\u003c\/strong\u003e — ready to use, no additional components required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With \/ Common Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY bench power supply\u003c\/strong\u003e: Boost 12V to adjustable 15–30V for op-amp and analog circuit testing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-powered boost regulator\u003c\/strong\u003e: Step up 3.7V Li-ion to 5V\/9V\/12V for portable devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED driver\u003c\/strong\u003e: Boost low-voltage supply to drive high-voltage LED strings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar MPPT pre-stage\u003c\/strong\u003e: Boost low-voltage solar panel output for battery charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino \/ ESP32 projects\u003c\/strong\u003e: Boost 3.3V\/5V to higher voltages for motor or sensor supply\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can the output voltage be lower than the input voltage?\u003c\/strong\u003e\u003cbr\u003eA: No — this is a boost (step-up) converter only. The output must always be higher than the input. For step-down (buck) conversion, use a module based on LM2596, MP1584, or XL4016.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the maximum output current of this module?\u003c\/strong\u003e\u003cbr\u003eA: Maximum current depends on the input\/output voltage ratio and the onboard inductor rating. As a general guide: at 12V input \/ 24V output, expect approximately 2–3A output. Always test at your specific voltage ratio and derate for thermal safety.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I set the output voltage?\u003c\/strong\u003e\u003cbr\u003eA: Turn the onboard potentiometer clockwise to increase output voltage, counterclockwise to decrease. Monitor the built-in voltmeter display for real-time feedback. Connect a load before fine-tuning for accurate regulation.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× LTC1871 DC-DC Boost Converter Module (with built-in voltmeter)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991457386731,"sku":"\u003cnone\u003e","price":14.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ltc1871-dc-dc-boost-converter-3-35v-to-3-5-35v-voltmeter.webp?v=1761796417","url":"https:\/\/keszoox.com\/products\/ltc1871-dc-dc-boost-converter-module-3-35v-input-voltmeter","provider":"Keszoox","version":"1.0","type":"link"}