In order to make the above drawing easier to comprehend, the vertical voltage axis was drawn to scale but the horizontal time axis was not. The typical slewing
time for each output with the component values shown in the application circuit is as follows:
PLL Filter (Main VCO Loop) Pin 19 – 3.5 ms total sweep time when discharging down from 4.2 V to 2.0 V and charging back up to 4.2 V.
Lock Detector/Filter (Acquisition Circuit) Pin 18 – 4.0 ms when slewing up from 0.8 V to 4.3 V.
AFT Output Pin 11 – 12 ms when slewing from 4.5 V or 0.5 V to the final static condition of 2.5 V.