Power supply 9-12V. What is the actual max?

Projects General Guidance
22

Not sure but this is the data on it:

Name / number LM2596S DC-DC step-down module
Input voltage 3.2V ~ 40V
Output voltage 1.25V ~ 35V
Output current 3A (max)
Conversion efficiency of 92% (maximum)
Output ripple <30mV
Switching frequency 65KHz