Model: LM2596 DC-DC Buck module
Input Voltage: 3V ~ 40V The
Output Voltage: 1.5V ~ 35V
Output Current: 3A ( Max)
Conversion Efficiency: 92% ( Highest )
Output Ripple: <30mV
Switching Frequency: 150KHz
Working Temperature: -45 ~ +85
Size: 43 * 21 * 14mm/ 1.69 * 0.83 * 0.55 in ( L*W*H )
Module properties: non-isolated step-down module
Warm notice: IN- ( negative input ), IN + ( positive input ), OUT- ( negative output ), OUT + ( positive output ) Make sure you pick the correct port, or it may cause damage to the module. And this is a step-down module, the input voltage must higher than the output voltage
Package included: 10* LM2596 DC-DC power step down module