Part Number: PMP9204
How to set you Under Voltage limit.
As per datasheet given equation and Transformer Ratio-
Transformer Ratio RLTI-1067
Transformer Ratio in Curcuit 
As per reference design you are select value RS1/R15=133K and RS2/30.1K
What is select turn ratio of Transformer Npa and Nasper above picture.Both are different value.
please suggest me how to select RS1,Rs2,Npa and Nas value.
