The MT3608 2A DC-DC Step-Up (Boost) Converter is a high-efficiency power module designed to increase a low input voltage to a higher output voltage. At Electrapac, we recommend this module for anyone needing to power 5V, 9V, or 12V components from a single lithium battery or a USB port.

Product Overview

The MT3608 is a "Boost" converter, meaning the output voltage will always be higher than the input voltage. It is remarkably small but powerful, capable of taking an input as low as 2V and stepping it up to as high as 28V. With a peak efficiency of 93%, it is an ideal choice for battery-powered projects where energy conservation is critical.

Key Features for Electrapac Customers

• Ultra-Wide Voltage Range: Step up a single AA battery or a 18650 cell to run high-voltage LED strips or motors.

• Compact Footprint: The slim design allows it to fit easily into small project boxes or be soldered directly onto a PCB.

• Precision Adjustment: Features a multi-turn potentiometer, allowing you to fine-tune your output voltage down to the millivolt.

• High-Frequency Switching: Operates at 1.2MHz, which keeps the output ripple low and prevents electrical noise in sensitive circuits.

• Minimal Heat Generation: Thanks to its high efficiency, the module stays relatively cool during standard operations.

Critical Setup & Usage Guide

To ensure your Electrapac module performs correctly, please note the following:

1. The "20-Turn" Rule: If you connect the module and the output voltage equals the input voltage, turn the potentiometer counter-clockwise for at least 20 full rotations. These modules are often shipped with the potentiometer set to the maximum resistance, and it takes several turns before the voltage begins to climb.

2. Input vs. Output: This is a Step-Up module only. It cannot be used to decrease voltage. Your input must always be lower than your desired output.

3. Current Limits: While the chip is rated for 2A, the small size of the board means heat dissipation is limited. For long-term reliability, we suggest keeping the continuous load under 1A.

Primary Applications

• DIY Power Banks: Boosting a 3.7V Lithium battery to a stable 5V for USB devices.

• Digital Multimeters: Replacing expensive 9V batteries with a rechargeable 18650 and this boost module.

• LED Drivers: Powering 12V or 24V LED strips from a 5V USB source.

• Microcontroller Power: Running an Arduino or ESP32 from two AA batteries.

• Small DC Motors: Providing the necessary voltage for 12V hobby motors in robotics projects.

Why Shop at Electrapac?

We source our MT3608 Modules with high-quality ceramic capacitors to ensure stable voltage delivery even under load. At www.electrapac.com, we provide the versatile power solutions that allow you to do more with less battery power.