LM2596 2A Buck Step-down Power Converter Module DC 4 ~ 40 to 1.3-37V LED Voltmeter

• Input Voltage(VDC): 4 ~ 40.
• Output Voltage(VDC): 1.3 ~ 37. 
• Output Current: 2A Rated, ( 3A maximum with heat sink). 
• Switching Frequency: 150 kHz. 
• Input reverse polarity protection. 
• Built-in output short protection function.

Features :

• Input reverse polarity protection 
• Built-in output short protection function 
• The built-in thermal shutdown function 
• Press the right key to let the display show the input or output voltage. when the right “OUT” led light, it shows output, the left “IN” led show input. 
• Power-off memory function, show that road after power voltage values measured for the last time 
• Press the touch button for 3 seconds to turn off the LED display, touch the button again to turn on the LED display 

The band terminals, no iron can also be easy to use, and retention wire connection point 
This is LM2596 2A Buck Step-down Power Converter Module DC 4 ~ 40 to 1.3 ~ 37V, it comes with a built-in voltmeter display and uses an advanced microcontroller.

Together with its high precision multi-turn potentiometer, this means any desired output voltage within its supply range can be set without the need for an external voltage meter. The module also boasts a very high operating range with a DC input supply range of 4 ~ 40V and an adjustable output range of 1.3 ~ 37V.