LM2596 2A DC-DC Buck Step-down Converter Module DC 4.0~40 to 1.3-37V with LED Voltmeter

The LM2596 2A Buck Step-down Power Converter Module with LED Voltmeter is a versatile module with features that make it easy to adjust and monitor the output voltage. Here's a summary of its features and specifications:

  Features:  

1. Input reverse polarity protection.
2. Built-in output short protection function.
3. Built-in thermal shutdown function.
4. LED display for showing input or output voltage.
5. Power-off memory function.
6. Touch button for turning off/on the LED display.
7. Band terminals for easy wire connection.

  Specifications:  

• Input Voltage: 4 ~ 40V DC
• Output Voltage: 1.3 ~ 37V DC
• Output Current: 2A
• Switching Frequency: 150 KHz
• Operating Temperature: -40 to +90 degrees Celsius
• Dimensions: 62mm x 34mm x 12mm
• Weight: 22g

  Output Voltage Calibration Steps:  

1. Adjust the right button to light up the "OUT" LED and display the output voltage.
2. Press the right button for more than 2 seconds to enter the output voltage calibration mode.
3. Use the right button to increase the voltage and the left button to decrease it.
4. Press the right button for more than 2 seconds to exit the calibration mode.

  Input Voltage Calibration Steps:  

1. Adjust the right button to light up the "IN" LED and display the input voltage.
2. Press the right button for more than 2 seconds to enter the input voltage calibration mode.
3. Use the right button to increase the voltage and the left button to decrease it.
4. Press the right button for more than 2 seconds to exit the calibration mode.

  Notes:  

• Maximum current depends on various factors including input/output voltages, temperature, and cooling.
• Do not exceed the maximum LM2596 operating temperature of 125°C to avoid permanent damage.

  Package Includes:  

• 1 x LM2596 2A Buck Step-down Power Converter Module with LED Voltmeter