Tool/software: WEBENCH® Design Tools
Hi,
it seems like Rfbt2 and Rfbb2 for the negative voltage divider are swapped.
Values should be swapped for correct Output voltage.
Example
https://webench.ti.com/webench5/power/webench5.cgi?origin=pf_panel&VinMin=4.9&VinMax=5.2&O1V=3.5&O1I=0.07&O2V=-1.5&O2I=0.07&base_pn=LM27762&AppType=None&topology=Inverter&op_TA=30&lang_chosen=en_US&optfactor=3
Greetings
