What is the PWM Ramp Voltage of SG3525

[Cocal.1]

I need to calculate the analog compensator values so I need to know pwm ramp voltage of sg3525 but I cant find on datasheet, can somebody help me about it?

[TMahb.1]

You should be able to see the ramp on the CT pin if you have a circuit on hand to probe.

If I had to guess, I'd say it's the "clock amplitude" parameter in the datasheet which is about 3.5V typical. Seems believable since the current mirror charging CT is fed off VREF which is 5V.