Inverting Buck-Boost topology basics
Ideal vs. real Inverting Buck-Boost. Important differences between theory and practice.
Creating an Inverting Buck-Boost out of a standard Buck Regulator
Which parameters are important to convert a Buck Regulator into an Inverting Buck-Boost ?
Switching current simulation results
Also read our application note "ANS007: Designing an Inverting Buck-boost Converter with MagI³C Power Module WPMDH1302401 / 171032401".