7.1 The Cuk Converter7.1.1 Operation of a Cuk Boost-Buck Converter7.1.2 Hysteretic Control of the Boost-Buck Converter7.1.3 The Effects of Delay in Hysteretic Control7.1.4 Stability of the Boost-Buck Converter7.1.5 Dimming Ratio Using PWM Dimming7.1.6 Design of the Boost-Buck Converter with HV99307.2 SEPIC Buck-Boost Converters7.2.1 Basic SEPIC Equations7.3 Buck-Boost Topology7.4 Common Mistakes in Boost-Buck Circuits7.5 Conclusions