LM2596 – DC to DC Buck Step Down Variable Voltage Regulator 4v ~ 40v to 1.25v ~ 37v

Description

Features
1. Input voltage range: 4 ~ 40VDC
2. Output voltage range:1.25 ~ 37VDC adjustable
3. Output current: 3A(MAX), The maximum output current can be up to 3A. It is recommended to use within 2.0A. If more than 2A use a heat sink.
4. voltmeter range: 0 to 40V, error ± 0.1V
5. Input reverse polarity protection
6. Built in output short protection function
7. Built in thermal shutdown function
8. L x W x H =6.7*3.4*12 cm
9. Weight: 22g
10. Toggle between checking IN and OUT values by pressing button. Indicator lights will show which value is being shown.

Note:
If the output is the same to the input, turn potentiometer counter clockwise until you notice the OUT value starts to decrease.