DC-DC LTC1871 Step-Up Boost Converter 3-35V with Voltmeter
DC-DC LTC1871 Step-Up Boost Converter 3-35V with Voltmeter
DC-DC LTC1871 Boost Step-Up Converter Module with Built-In Voltmeter
Upgrade your electronics projects with this precision DC-DC LTC1871 Step-Up Boost Converter Module. Designed for makers, hobbyists, and engineers, this compact regulated power supply module efficiently steps up input voltage from 3–35V to 3.5–35V, making it perfect for powering computers, DIY circuits, battery-operated devices, and custom electronics builds. The built-in digital voltmeter lets you monitor output voltage at a glance — no extra multimeter required.
With a maximum dissipation power of 75W and a wide operating temperature range of -40°C to 80°C, this module is built for reliability across demanding environments. The SMD package design ensures a compact, clean fit into most project enclosures.
Made in Mainland China.
Key Features
- Wide Input/Output Range: Input 3–35V DC, output 3.5–35V DC (step-up/boost only)
- LTC1871 IC: High-efficiency, low-noise boost controller for stable regulated output
- Built-In Voltmeter: Real-time voltage display — no external meter needed
- 75W Max Dissipation Power: Handles demanding power applications with ease
- Wide Operating Temperature: Reliable from -40°C to 80°C
- SMD Package: Compact design, easy to integrate into custom builds
- Voltage Regulator Type: Step-up (boost) regulated power supply
- Quantity: 1 module included per order
Technical Specifications
| Input Voltage | 3V – 35V DC |
| Output Voltage | 3.5V – 35V DC (higher than input) |
| Max Dissipation Power | 75W |
| Controller IC | LTC1871 |
| Operating Temperature | -40°C to 80°C |
| Package Type | SMD |
| Condition | New |
| Quantity | 1 Piece |
Who Is This For?
This module is ideal for electronics engineers, Arduino/Raspberry Pi enthusiasts, robotics builders, and anyone needing a reliable adjustable step-up power supply for prototyping or finished builds. Whether you're boosting voltage for LED arrays, computer peripherals, or custom power rails, this converter delivers consistent, regulated output.
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Frequently Asked Questions
Q: What is the difference between a step-up (boost) converter and a step-down (buck) converter?
A: A step-up (boost) converter like this LTC1871 module increases the output voltage to be higher than the input voltage. A step-down (buck) converter does the opposite — it lowers the output voltage. This module only steps up, so your output voltage must always be set higher than your input voltage for it to function correctly.
Q: Can I use this DC-DC boost module to charge a battery?
A: This module is designed as a regulated voltage supply, not a dedicated battery charger. While it can supply stable output voltage, using it for battery charging requires careful current and voltage management. For most DIY charging applications, a dedicated charge controller module is recommended.
Q: How do I set the output voltage on the LTC1871 boost converter?
A: The output voltage is typically adjusted via an onboard trimmer potentiometer. Use a small flathead screwdriver to slowly turn the pot while monitoring the built-in voltmeter display until your desired output voltage is reached. Always ensure the output is set higher than the input voltage before connecting a load.
Q: Is the built-in voltmeter accurate for real-time voltage monitoring?
A: Yes — the integrated digital voltmeter provides real-time output voltage readings directly on the module, making it convenient for quick adjustments and monitoring without needing an external multimeter during setup or operation.