DC-DC 12V to 3.3V / 5V / 12V Multi-Output Power Module (Unified Multi-Rail Voltage Regulator)
Streamline your power distribution infrastructure and eliminate the clutter of multiple individual step-down boards with the industrial-grade DC-DC Multi-Output Power Module. Engineered as a high-efficiency, all-in-one power regulation hub, this compact board takes a single 12V DC input and splits it into three distinct, simultaneous output rails: 3.3V, 5V, and a direct 12V pass-through.
Mixed-voltage projects normally require complex wiring, stacking multiple buck converters together, which consumes valuable space and creates multiple thermal failure points. Driven by a high-stability multi-channel linear and switching regulator layout, this module delivers independent, rock-solid power to various logic levels simultaneously. It serves as the definitive choice for mixed-voltage automation control panels, advanced sensor arrays, Wi-Fi telemetry nodes, and complex robotic chassis.
Key Features
Simultaneous Triple-Rail Output: Generates high-precision 3.3V and 5V regulated logic lines while passing the native 12V input straight to high-power components—all from one single power source.
Massive Pin Optimization Grid: Designed with dual rows of output pin headers for each voltage rail, allowing you to run parallel power lines straight to multiple sensors, relays, and microcontrollers without splicing wires.
Onboard Power Status Indicator: Features an integrated red SMD power LED that lights up immediately to give you instant visual confirmation that the primary input grid is successfully energized.
Optimized Thermal Architecture: Utilizes a high-efficiency multi-chip layout designed with wide copper traces to accelerate passive heat dissipation, ensuring stable operation under continuous tracking loads.
Standardized 2.54mm Pitch Layout: The output pin blocks align perfectly with standard prototyping jumper wires, making it incredibly simple to integrate into existing industrial panels or breadboard setups.
Space-Saving Form Factor: Packs massive multi-rail power delivery into a miniature footprint, allowing it to slide effortlessly into tight project boxes and compact automation enclosures.
Technical Specifications
Feature | Specification |
Input Voltage Range | 6.0V to 12.0V DC (12.0V DC recommended for full multi-rail output) |
Output Regulated Rail 1 | 3.3V DC (Maximum load current up to 800 mA) |
Output Regulated Rail 2 | 5.0V DC (Maximum load current up to 800 mA) |
Output Pass-Through Rail 3 | 12.0V DC (Output tracks directly to the input source capacity) |
Voltage Regulation Precision | Within a tight 1% tolerance envelope |
Pin Spacing Grid Alignment | Standard 2.54 mm (0.1 inch) pitch spacing |
Board Dimensions | 31 mm x 30 mm x 12 mm |
Hardware Wiring & Multi-Rail Pinout
The module features a highly organized, clearly labeled layout that makes power routing straightforward and error-free:
1. Input Side (Main Terminals)
DC Input Jack / Terminals: Connect your primary 12V DC power supply adapter or battery pack here to energize the entire board.
2. Output Side (Parallel Dual-Row Pin Headers)
3.3V Channels: Regulated +3.3V DC output pins. Engineered specifically for low-voltage wireless sensors, ESP32 microchips, and Bluetooth modules.
5.0V Channels: Regulated +5.0V DC output pins. Perfect for powering standard Arduino boards, character display backpacks, and industrial relay modules.
12V Channels: Direct pass-through output pins from the input source. Ideal for driving high-power direct-current motors, solenoid valves, cooling fans, and indicator alarms.
GND Channels: Unified common ground reference rails that link your entire circuit framework together.
Common Applications
Mixed-Voltage Industrial Prototyping: Simultaneously power a high-current 12V cooling fan, a 5V relay shield, and a sensitive 3.3V Wi-Fi transceiver from a single central industrial supply line.
ESP8266 & ESP32 Smart Nodes: Provide the steady, noise-free 3.3V power required by wireless transmission bursts while maintaining a 5V rail for auxiliary logic shifters.
Autonomous Robotics Master Grids: Act as the central power distribution core inside mobile rovers to energize 12V drive motors, 5V servo controllers, and 3.3V obstacle tracking sensors.
Smart Home Central Panels: Power localized access control boards, security sensors, display readers, and backup indicator alarms efficiently.
🛠️ Engineering Operational Note: To ensure that all three output rails perform at their maximum rated efficiency, always feed the module with a high-quality, stable 12V DC input source. Because the 12V output pins function as a direct pass-through, dropping the primary input voltage will cause a proportional drop on the 12V output rail, though the 5V and 3.3V regulated rails will remain perfectly stabilized.
Package Includes:
1 x DC-DC 12V to 3.3V / 5V / 12V Multi-Output Power Module