Hi Roy,
Please refer to the LMR14050- Inverting output configuration as attached, You could find more details by search PMP10680 on ti.com
PMP10680 REVB.pdf
Hi Gabriel,
Almost all buck converter can be configured as non-isolated inverting buck-boost converter, buck converter maximum operation voltage should be higher than Vin+[Vout],
Pls search PMP10680 reference design on TI website for LMR140X0 application…