Disclaimer: Images are for illustration only. Specifications may vary by batch.
The DD4012SA is a high-efficiency DC-DC step-down (buck) converter module designed to provide a stable and adjustable output voltage from a higher input voltage source. It is ideal for powering embedded systems, DIY electronics, battery-powered projects, and industrial applications.
Key Features
- High conversion efficiency up to 95%
- Wide input voltage range
- Adjustable output voltage via onboard potentiometer
- Built-in overcurrent and thermal protection
- Compact design for easy integration
- Stable performance with low ripple output
Technical Specifications
- Model: DD4012SA
- Converter Type: Step-Down (Buck)
- Input Voltage Range: 5V – 40V DC
- Output Voltage Range: 5V,12V
- Output Current: 1A
- Conversion Efficiency: Up to 95%
- Switching Frequency: ~180 kHz
- Output Ripple: ≤ 50mV (typical)
- Load Regulation: ±0.5%
- Voltage Regulation: ±0.5%
- Operating Temperature: -40°C to +85°C
- Cooling Method: Natural air cooling (heatsink recommended for high load)
Protection Features
- Overcurrent Protection
- Thermal Shutdown
- Short Circuit Protection (limited)
Applications
- Power supply for microcontrollers (Arduino, Raspberry Pi, etc.)
- Battery charging systems
- LED drivers
- Automotive electronics
- DIY electronics and prototyping
Package Includes
- 1 × DD4012SA DC-DC Buck Converter Module
Notes
- Ensure proper heat dissipation when operating above 5A
- Always adjust output voltage before connecting sensitive devices
- Input voltage must be higher than desired output voltage
