VDMOS p channel output
m1 d g s p1
.model p1 vdmos pchan vto=-1.2 is=10n kp=2 bv=-12 rb=1k
vd d 0 -5
vg g 0 -5
vs s 0 0
.dc vd -15 1 0.1 vg 0 -5 -1
.control
run
plot vs#branch
.endc
.end