SLVSB43C November 2011 – February 2016 TPS54427
PRODUCTION DATA.
The TPS54427 is designed to operate from input supply voltage in the range of 4.5 V to 18 V. Buck converters require the input voltage to be higher than the output voltage. in this case the maximum recommended operating duty cycle is 65%. Using that criteria, the minimum recommended input voltage is Vo/0.65.