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LM2596 Step Down Module - Variable Voltage

SKU: PJ3495Q7A1
This LM2596 Step Down Module is based on LM2596S-ADJ chip is one of the most cheap, easy to use, step down buck converter with adjustable output voltage, with high current output of upto 3A. This LM2596 step down module has a wide input voltage range from 4.5V to 35V. The LM2596 also has internal thermal shutdown, and current limit protection....
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Specifications

Specifications:

Input Voltage: 4V – 40V DC
Output Voltage: 1.25V – 37V DC (adjustable)
Output Current: Up to 3A (with proper heat dissipation)
Switching Frequency: ~150 kHz
Efficiency: Up to 90%
Operating Temperature: -40°C to +85°C

Additional Resources

LM2596 Step Down Module.PDF

FAQ

1. What is an LM2596 step-down module?

The LM2596 step-down module is a DC-DC buck converter based on the LM2596 that reduces a higher input voltage to a lower, adjustable output voltage efficiently.

2. How do you adjust the output voltage on the module?

The output voltage is adjusted by rotating the onboard potentiometer screw. Turning it clockwise or counterclockwise changes the output voltage, which should be measured using a multimeter for accuracy.

3. What is the maximum current the LM2596 module can provide?

The module can deliver up to 3A of output current, but for continuous operation, it is recommended to use around 2A without additional cooling.

4. Can the LM2596 module increase voltage (boost)?

No, the LM2596 is only a step-down (buck) converter. It can only reduce voltage, not increase it.

5. What are common applications of this module?

It is commonly used in powering microcontrollers like Arduino Uno, battery-powered devices, LED drivers, robotics projects, and general-purpose voltage regulation.

View full product details

This LM2596 Step Down Module is based on LM2596S-ADJ chip is one of the most cheap, easy to use, step down buck converter with adjustable output voltage, with high current output of upto 3A. This LM2596 step down module has a wide input voltage range from 4.5V to 35V. The LM2596 also has internal thermal shutdown, and current limit protection. It operates at switching frequency of 150 Khz, and is highly efficient with upto 73% Efficiency @ 12V 3A output.

The output voltage of the module is adjustable according to the need by using the on board Potentiometer. As its a step down buck converter, the input voltage must higher than the required output voltage. The input voltage must be always 1.5V higher than the required output voltage.