Description
The DC-DC Buck Module (14V–100V Input, Fixed 12V Output) is a high-efficiency, compact step-down power supply ideal for embedded systems and power-sensitive applications. With a peak current capacity of 3A and up to 96% efficiency, it provides stable 12V output from a wide range of higher voltage sources, making it ideal for automotive, industrial, and communication equipment . The module features a half-hole PCB design for direct mounting on custom boards and includes built-in thermal and overload protection for safe, reliable operation .
Key Features
- Wide Voltage Support: Accepts 14V to 100V input for versatile industrial and field power supply use
- Efficient Step-Down Regulation: Delivers clean, regulated 12V DC output with ±0.1V accuracy
- Built-in Protections: Includes thermal and overload auto-shutdown to prevent damage
- Cool Operation: Passive cooling with ultra-low heat generation
- Compact & Mountable: Half-hole PCB design for direct mounting on custom boards
- Minimal Standby Power: 1mA no-load current makes it ideal for battery-powered applications
- Plug-and-Play Integration: Pre-configured output voltage, solder-ready pads
- Shutdown Feature: EN pin allows remote on/off control
Technical Specifications
Parameter | Specification |
|---|---|
| Input Voltage Range | 14V ~ 100V DC |
| Fixed Output Voltage | 12V |
| Output Current | 2A continuous, 3A peak |
| Output Accuracy | ±0.1V |
| Conversion Efficiency | Up to 96% |
| Output Ripple | <30mV |
| No-Load Current | 1mA |
| Operating Temperature | -40°C ~ +125°C |
| Operating Humidity | 20% ~ 90% |
| Dimensions | 25.5 × 16.5 × 7 mm (L × W × H) |
| PCB Layers | 2-layer board |
| Switching Frequency | 1MHz |
| Shutdown Feature | Yes (EN pin) |
| Installation Method | Solder pad or patch mount |
| Isolation | Non-isolated |
| Heat Dissipation | Passive (natural convection) |
| Service Life | 35,000 hours (at rated load) |
Applications
- Industrial Power Supplies: For PLCs, sensors, and remote control modules
- Automotive Electronics: Regulate 12V for car systems from higher battery sources
- Communication Equipment: Use in base stations, repeaters, and radio transmitters
- DIY Electronics & Robotics: Compact power regulation for controllers and sensors
- Solar & Battery Systems: Clean voltage drop from panels or battery packs