Hi Team,
The customer is using the TPS40055-EP in a buck boost topology to generate -15V from 15V with 25W output power.
The datasheet states, "a good compromise is to select the inductance value such that the converter does not enter DCM until the load approximated somewhere between 10% and 30% of the rated output."
Does he need to insure that the inductor value is such that the current is greater than 0 at minimum load? i.e. CCM?
Is this necessary since the PWM has a sync MOSFET? Thanks for your help!
Regards,
Brian Gosselin