Description
DD4012SA 1A DC-DC Step-Down Buck Converter Module
Stable, Adjustable Power for Your Electronics Projects
The DD4012SA is a high-efficiency, compact DC-DC step-down (buck) converter module designed to deliver a stable output voltage ranging from 3V to 12V. Ideal for DIY electronics, robotics, and custom power supply builds, this module converts input voltages between 5V and 40V into a precise, low-noise output current of up to 1A. Whether you are powering microcontrollers, LED arrays, or sensors, the DD4012SA ensures consistent power delivery with minimal heat generation.
Key Features & Highlights
- Wide Input Range: Accepts DC input from 5V to 40V, making it compatible with a variety of power sources including batteries, wall adapters, and solar panels.
- Adjustable Output Voltage: Easily fine-tune the output voltage from 3V to 12V (commonly set to 3.3V, 5V, 6V, 7.5V, 9V, or 12V) using the onboard potentiometer.
- High Efficiency: Features a switching frequency of 200kHz, ensuring high conversion efficiency and reduced power loss compared to linear regulators.
- Compact & Lightweight: Small PCB form factor allows for easy integration into tight spaces within your projects.
- Protection Features: Includes over-current and short-circuit protection to safeguard your connected devices.
- Easy Installation: Simple 3-pin connection (VIN, GND, VOUT) with clear labeling for quick setup.
Technical Specifications
- Model: DD4012SA
- Input Voltage: 5V – 40V DC
- Output Voltage: 3V – 12V DC (Adjustable)
- Maximum Output Current: 1A
- Switching Frequency: 200kHz
- Module Size: Approx. 35mm x 20mm x 12mm
- Operating Temperature: -40°C to +85°C
Applications
Perfect for hobbyists, engineers, and makers, the DD4012SA is suitable for:
- Powering Arduino, Raspberry Pi, and other microcontroller boards
- LED lighting projects and display drivers
- Robotics and automation systems
- Custom power supply builds and voltage regulation
- Testing and prototyping electronic circuits
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