XL3608 Mini Boost Board DC-DC Step-Up Power Module (5V / 9V / 12V 2A Regulator)
Step up your portable power grids and unlock higher voltage capabilities from lower-voltage batteries with the industrial-grade XL3608 Mini DC-DC Boost Converter Module. Engineered as a high-frequency switching step-up regulator, this ultra-compact board takes low-voltage inputs—like a single lithium battery cell or a 5V USB port—and efficiently boosts them into a higher, fully regulated output voltage rail adjustable up to 28V DC, or easily selectable to common fixed standards like 5V, 9V, or 12V.
Traditional voltage configurations can be bulky and thermally inefficient. In contrast, the XL3608 boost module leverages a high-speed 1.2-Megahertz switching frequency alongside an ultra-low internal resistance field-effect transistor logic grid. This allows it to achieve up to 94% energy efficiency while maintaining an incredibly small hardware footprint. It serves as the definitive choice for generating stable 12V lines for industrial sensors, powering multi-relay boards from batteries, running localized LED arrays, and boosting communication module power rails.
Key Features
High-Efficiency Step-Up Grid: Dynamically boosts lower-voltage power sources up to higher target operating levels with up to 94% energy transformation efficiency.
Jumper Pad and Potentiometer Selectability: Designed with convenient onboard jumper selection points alongside a high-precision trimmer adjustment path, giving you complete freedom to dial in custom voltages or instantly lock onto fixed 5V, 9V, or 12V output lines.
Dual-Mode PWM and PFM Modulation: Features an intelligent internal control loop that automatically switches from Pulse Frequency Modulation to Pulse Width Modulation under heavier loads, optimizing efficiency while drastically reducing static ripple noise.
Massive Switching Frequency: Operates at a lightning-fast internal switching speed of 1.2 Megahertz, which minimizes output ripple voltage and allows the board to maintain a micro-sized footprint.
Integrated Safety Protections: Built with advanced internal over-temperature thermal shutdown protection and automatic over-current limiting grids to safeguard your circuit against unexpected short-circuit faults.
Soft-Start Startup Matrix: Engineered with an internal soft-start routine that gently ramps up voltage upon power-in, preventing sudden inrush current spikes from damaging your primary battery arrays.
Technical Specifications
Feature | Specification |
Module Type | DC-DC Step-Up (Boost) Converter |
Core Chipset Architecture | High-Stability XL3608 Switching Regulator |
Input Voltage Range | 2.5V to 24V DC (Must remain lower than output target) |
Output Voltage Range | Adjustable up to 28V DC (Common locks at 5V, 9V, 12V) |
Maximum Input Current Limit | 2.0 Amps (Peak capability) |
Stable Continuous Current | 1.2 Amps to 1.5 Amps (Dependent on voltage conversion ratio) |
Maximum Switching Frequency | 1.2 Megahertz |
Maximum Energy Efficiency | Up to 94% |
Module Interface Layout | Solder pads compatible with standard 2.54 mm pin spacing |
Board Dimensions | 24.4 mm x 13.7 mm |
Hardware Wiring & Interface Pinout
The module features an intuitively organized breakout layout that ensures straightforward, error-free system integration across standard microcontroller setups and battery grids:
IN+ (Positive Input): Connects to the positive terminal of your low-voltage direct-current power source (e.g., a 3.7V lithium battery cell, a 5V USB power bank, or a 9V battery rail).
IN- / GND (Negative Input): Common ground reference path for your input power infrastructure.
OUT+ (Positive Output): Delivers the freshly stepped-up, stabilized higher output voltage straight to your sensors or actuators.
OUT- / GND (Output Negative): Common ground return path for your target output load device.
Common Applications
Stable 12V Industrial Sensor Rails: Step up standard 3.7V lithium-ion battery banks or 5V logic lines to a reliable 12V DC rail to comfortably power industrial pressure transducers and flow meters.
Multi-Channel Relay Board Drivers: Easily energize 12V mechanical or solid-state industrial relay coils directly from a low-voltage microcontroller development base.
Portable Instrumentation Units: Serve as the primary step-up voltage regulator inside handheld multi-meters, localized data loggers, and field testing equipment.
Localized LED Illumination Banks: Maintain absolute brightness consistency across high-power LED strips, emergency warning lights, or custom agricultural accent panels.
💡 Pro-Engineering Calibration Note: Because this is a boost converter, the output voltage must always be set higher than your input voltage supply. When initializing the module using the adjustable potentiometer configuration for the first time, if you measure the output and find it matches your input voltage exactly without changing, simply take a small screwdriver and rotate the brass trimmer potentiometer counter-clockwise for 15 to 20 full turns. This will engage the internal tracking loop and allow you to dial in your desired voltage level seamlessly.
Package Includes:
1 x XL3608 Mini Boost Board DC-DC Step-Up Power Module