Why are the current limit (i.e. ILIMIT) electrical specifications on page 3 different from the values specified by the Input-Current Limit Control Register on page 26?
The "Input-Current Limit Control Register" shows the current limit (i.e. ILIMIT) rounded to the most significant digit. The ILIMT specification is production tested at +25°C and typical values are shown on page 3 of the datasheet.