LM2596 step down buck converter adjustable voltage module

Conversion efficiency: Up to 92% (output voltage higher, the higher the efficiency)
Switching Frequency: 150KHz
Rectifier: Non-Synchronous Rectification
Module Properties: Non-isolated step-down module (buck)
Short circuit protection: current limiting, since the recovery
Operating temperature: Industrial grade (-40  to +85 ) (output power 10W or less)
Full load temperature rise: 40
Load regulation: ± 0.5%
Voltage regulation: ± 2.5%

Specification:

Input voltage:4-35V
Output voltage:1.23-30V(Adjustable)
Output current:Rated current is 2A,maximum 3A(Additional heatsink is required)