Step down module
the type name of 1509: step-down module
input voltage: 4.5V~40V
output voltage: 1.27~37V
output current : 2A (max)
wave output : <;30mV
switch frequency: 150kH
working temperature : -45 ~+85
size: 21mm*17mm *4mm
The conversion efficiency of 96 (the highest)