I found a suggested footprint for package CP-8-8 (very close to the CP-8-10) but there's no footprint PDF for the CP-8-10 (used on ADP198).
My thougth was to modify the CP-8-8 footprint, making the pads 0.1mm longer (using 0.30 x 0.45 instead of 0.30 x 0.35) keeping the toes of the pads where they are (so the extra length is on the inside). Measuring toe-to-toe on pads, I currently have 2.36mm. The powerpad is the same size on both, so I'd use the 1.1x1.6 pad (from CP-10-10 footprint).
If there is a footprint for CP8-8, could you please email to me or post it?
Similar part’s footprint (CP-8-8) and outline:
ADP198 outline (they don’t show a footprint for CP-8-10):
index to their LFCSP footprints and outlines: