Description:
300W DC-DC Buck Converter Module — 20A Max, Adjustable 1.2–36V (Input 6–40V) CC/CV is a high-power step-down voltage regulator designed to convert a higher DC input voltage into an adjustable lower DC output voltage. It supports a 6–40V DC input range and provides an adjustable output of approximately 1.2–36V, with up to 20A maximum output current under suitable operating conditions.
The module features Constant Voltage (CV) and Constant Current (CC) regulation, making it useful for adjustable power supplies, battery charging applications, LED power control, electronics testing, and DIY power projects. Its high-power 300W design makes it suitable for applications requiring flexible DC voltage conversion.
Specifications:
| Specification | Details |
|---|---|
| Product Type | DC-DC Buck Converter Module |
| Converter Type | Step-Down |
| Rated Power | Up to 300W |
| Maximum Output Current | Up to 20A |
| Input Voltage | 6–40V DC |
| Adjustable Output Voltage | 1.2–36V DC |
| Regulation Mode | CC/CV |
| Output Type | Adjustable DC |
| Function | Voltage Step-Down & Current Regulation |
| Application | Power Supply, Battery Charging, LED & Electronics |
Features:
- High-power 300W DC-DC step-down conversion
- Supports 6–40V DC input
- Adjustable 1.2–36V DC output
- Up to 20A maximum output current
- Constant Voltage (CV) and Constant Current (CC) operation
- Suitable for adjustable power supply applications
- Useful for battery charging applications
- Supports LED current and voltage control
- Suitable for electronics testing and development
- Compact and practical DC power conversion solution
- Ideal for DIY and professional electronics projects
Applications:
- Adjustable DC power supplies
- Battery charging systems
- LED power control
- DC motor power applications
- Electronics testing and development
- Arduino and microcontroller power projects
- Robotics power systems
- Solar power projects
- Laboratory power conversion
- Embedded electronics
- DIY high-power power supplies
- Voltage regulation systems
Safety Precautions:
- Always verify input polarity before connecting the module.
- Do not exceed the specified input voltage range.
- The 20A/300W maximum ratings depend on operating conditions and adequate cooling.
- Use appropriate heatsinking or forced-air cooling for high-power operation.
- Avoid short circuits at the output.
- Use suitable wires and connectors for high-current applications.
- Do not touch the module during high-load operation if it becomes hot.
- Allow adequate ventilation around the converter.
- When using it as a battery charger, set the appropriate CC and CV values for the battery chemistry.
- Disconnect power before changing wiring or making adjustments.
Frequently Asked Questions ( FAQs )
Q1. What is the input voltage range?
The module supports a DC input range of approximately 6–40V.
Q2. What is the adjustable output voltage?
The output voltage can be adjusted from approximately 1.2V to 36V DC.
Q3. What is the maximum current rating?
The module supports up to 20A maximum output current under suitable operating and cooling conditions.
Q4. What does CC/CV mean?
CC means Constant Current, while CV means Constant Voltage. The module supports both regulation modes.
Q5. Can this converter be used for battery charging?
Yes, CC/CV operation makes it suitable for many battery charging applications when the correct voltage and current settings are configured for the specific battery.
Q6. Is this a step-up or step-down converter?
It is a step-down (buck) converter, meaning the output voltage is lower than the input voltage.
Q7. Can it be used as an adjustable power supply?
Yes. Its adjustable voltage and current regulation make it useful for DIY and electronics power supply applications.
Q8. Does it require cooling at high power?
High-current or high-power operation can generate significant heat, so adequate heatsinking and airflow are recommended.
Package Included:
1 ×300W DC-DC Buck Converter Module
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