Mini DC DC Step Down Module (12-24V To 5V ) Voltage 3A
DC-DC Step Down Adjustable Voltage Regulator Module (Mini Buck Converter)
Description
The DC-DC Step Down (Buck) Converter Module is a high-efficiency adjustable voltage regulator designed to convert a higher DC input voltage into a stable lower output voltage.
It features a compact design, high conversion efficiency, and an onboard precision potentiometer for easy voltage adjustment.
This module is widely used in power supply projects, Arduino systems, battery powered devices, and embedded electronics applications.
Technical Specifications
Input Voltage:
4.5V – 28V DC
Output Voltage:
0.8V – 20V DC (Adjustable)
Maximum Output Current:
3A (Recommended ≤ 2A for stable operation)
Conversion Efficiency:
Up to 96%
Switching Frequency:
1.5 MHz
Voltage Regulation:
±1%
Operating Temperature:
-40°C to +85°C
Adjustment Method:
Multi-turn precision potentiometer
Module Type:
Step-Down (Buck Converter)
Output Ripple:
< 30mV
Pin Configuration
| Pin | Description |
|---|---|
| IN+ | Input Positive |
| IN- | Input Negative |
| OUT+ | Output Positive |
| OUT- | Output Negative |
Features
-
High efficiency up to 96%
-
Small compact size
-
Adjustable output voltage
-
Built-in precision potentiometer
-
Over-temperature protection
-
High switching frequency design
-
Suitable for DIY and embedded systems
Typical Applications
-
Arduino power supply
-
Battery powered devices
-
Robotics projects
-
LED power supply
-
DIY electronics projects
-
Portable electronics
Input Pins (Power Supply)
-
VIN+ → Positive input voltage
-
VIN− → Negative input (GND)
These pins connect to the power source such as a battery, power adapter, or solar system.
Battery +12V → VIN+
Battery GND → VIN−
Output Pins (Regulated Voltage)
B1 → Battery +
B2 → Battery -
P1 → Output +
P2 → Output -
-
VOUT+ → Positive output voltage
-
VOUT− → Negative output (GND)
These pins connect to the device you want to power.
Example:
VOUT+ → Arduino / Motor / LED +
VOUT− → Device GND
Voltage Adjustment
The module includes a multi-turn potentiometer to adjust the output voltage.
-
Turn clockwise → Increase voltage
-
Turn counter-clockwise → Decrease voltage
⚠ Always measure the output using a multimeter when adjusting the voltage.
Simple Connection Diagram
Input Power → VIN+ / VIN−
Output to Device → VOUT+ / VOUT−
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Mini DC DC Step Down Module (12-24V To 5V ) Voltage 3A
Mini DC DC Step Down Module (12-24V To 5V ) Voltage 3A
DC-DC Step Down Adjustable Voltage Regulator Module (Mini Buck Converter)
Description
The DC-DC Step Down (Buck) Converter Module is a high-efficiency adjustable voltage regulator designed to convert a higher DC input voltage into a stable lower output voltage.
It features a compact design, high conversion efficiency, and an onboard precision potentiometer for easy voltage adjustment.
This module is widely used in power supply projects, Arduino systems, battery powered devices, and embedded electronics applications.
Technical Specifications
Input Voltage:
4.5V – 28V DC
Output Voltage:
0.8V – 20V DC (Adjustable)
Maximum Output Current:
3A (Recommended ≤ 2A for stable operation)
Conversion Efficiency:
Up to 96%
Switching Frequency:
1.5 MHz
Voltage Regulation:
±1%
Operating Temperature:
-40°C to +85°C
Adjustment Method:
Multi-turn precision potentiometer
Module Type:
Step-Down (Buck Converter)
Output Ripple:
< 30mV
Pin Configuration
| Pin | Description |
|---|---|
| IN+ | Input Positive |
| IN- | Input Negative |
| OUT+ | Output Positive |
| OUT- | Output Negative |
Features
-
High efficiency up to 96%
-
Small compact size
-
Adjustable output voltage
-
Built-in precision potentiometer
-
Over-temperature protection
-
High switching frequency design
-
Suitable for DIY and embedded systems
Typical Applications
-
Arduino power supply
-
Battery powered devices
-
Robotics projects
-
LED power supply
-
DIY electronics projects
-
Portable electronics
Input Pins (Power Supply)
-
VIN+ → Positive input voltage
-
VIN− → Negative input (GND)
These pins connect to the power source such as a battery, power adapter, or solar system.
Battery +12V → VIN+
Battery GND → VIN−
Output Pins (Regulated Voltage)
B1 → Battery +
B2 → Battery -
P1 → Output +
P2 → Output -
-
VOUT+ → Positive output voltage
-
VOUT− → Negative output (GND)
These pins connect to the device you want to power.
Example:
VOUT+ → Arduino / Motor / LED +
VOUT− → Device GND
Voltage Adjustment
The module includes a multi-turn potentiometer to adjust the output voltage.
-
Turn clockwise → Increase voltage
-
Turn counter-clockwise → Decrease voltage
⚠ Always measure the output using a multimeter when adjusting the voltage.
Simple Connection Diagram
Input Power → VIN+ / VIN−
Output to Device → VOUT+ / VOUT−
Original: $0.66
-70%$0.66
$0.20Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
DC-DC Step Down Adjustable Voltage Regulator Module (Mini Buck Converter)
Description
The DC-DC Step Down (Buck) Converter Module is a high-efficiency adjustable voltage regulator designed to convert a higher DC input voltage into a stable lower output voltage.
It features a compact design, high conversion efficiency, and an onboard precision potentiometer for easy voltage adjustment.
This module is widely used in power supply projects, Arduino systems, battery powered devices, and embedded electronics applications.
Technical Specifications
Input Voltage:
4.5V – 28V DC
Output Voltage:
0.8V – 20V DC (Adjustable)
Maximum Output Current:
3A (Recommended ≤ 2A for stable operation)
Conversion Efficiency:
Up to 96%
Switching Frequency:
1.5 MHz
Voltage Regulation:
±1%
Operating Temperature:
-40°C to +85°C
Adjustment Method:
Multi-turn precision potentiometer
Module Type:
Step-Down (Buck Converter)
Output Ripple:
< 30mV
Pin Configuration
| Pin | Description |
|---|---|
| IN+ | Input Positive |
| IN- | Input Negative |
| OUT+ | Output Positive |
| OUT- | Output Negative |
Features
-
High efficiency up to 96%
-
Small compact size
-
Adjustable output voltage
-
Built-in precision potentiometer
-
Over-temperature protection
-
High switching frequency design
-
Suitable for DIY and embedded systems
Typical Applications
-
Arduino power supply
-
Battery powered devices
-
Robotics projects
-
LED power supply
-
DIY electronics projects
-
Portable electronics
Input Pins (Power Supply)
-
VIN+ → Positive input voltage
-
VIN− → Negative input (GND)
These pins connect to the power source such as a battery, power adapter, or solar system.
Battery +12V → VIN+
Battery GND → VIN−
Output Pins (Regulated Voltage)
B1 → Battery +
B2 → Battery -
P1 → Output +
P2 → Output -
-
VOUT+ → Positive output voltage
-
VOUT− → Negative output (GND)
These pins connect to the device you want to power.
Example:
VOUT+ → Arduino / Motor / LED +
VOUT− → Device GND
Voltage Adjustment
The module includes a multi-turn potentiometer to adjust the output voltage.
-
Turn clockwise → Increase voltage
-
Turn counter-clockwise → Decrease voltage
⚠ Always measure the output using a multimeter when adjusting the voltage.
Simple Connection Diagram
Input Power → VIN+ / VIN−
Output to Device → VOUT+ / VOUT−
