Electronic Spices LM2596 Dc to Dc Buck Converter Adjustable Step Down Power Supply Module Pack of 1pcs

This is an LM2596 DC-DC buck convertor step-down power module with a high-precision potentiometer, capable of driving a load up to 3A with high efficiency, which can work with Freeduino UNO, other mainboards, and basic modules. When the output current keeps greater than 2.5A (or output power greater than 10W), please add a heat sink to it.
Input voltage : 3V to 40V
Output voltage : 1.5V to 35V(Adjustable)
Output current : 2A to 3A
Module Properties : non-isolated constant voltage module
Rectification : non-synchronous rectification