qwertyIC
Junior Member level 2
In my buck DC-DC project, Power PMOS is bought and adpoted,that
s to say, only design controller. Add pmos model when Top simulation.
Now a question come on. In top simulation, SW signal time of rising match with test result (base on tapeout samples), but time of falling more than test result(simualtion:14ns, test result:7ns).
I think PMOS models isn't accurate. but which parameters do I change the models? relation
with schottky? By the way, I think PMOS Ciss model isn't accurate,but rising time can match?
Thanks you very much
s to say, only design controller. Add pmos model when Top simulation.
Now a question come on. In top simulation, SW signal time of rising match with test result (base on tapeout samples), but time of falling more than test result(simualtion:14ns, test result:7ns).
I think PMOS models isn't accurate. but which parameters do I change the models? relation
with schottky? By the way, I think PMOS Ciss model isn't accurate,but rising time can match?
Thanks you very much