Negative voltage DC-DC converter module

maximum output current: 3a
input voltage: 5.5 ~ 36v
Output Voltage: -3.3v/-5v/-12v maximum efficiency: 88%
output ripple: 30ma
output accuracy: ± 0.1v> switching frequency: 500kHz
working humidity: 20 ~ 90%
pcb thickness: 1.6mm
shutdown current: not turn off
whether with isolation: without isolation cooling method: natural cooling