An inverting buck-boost converter is supplied from and is required to produce .

PHYSICS · Multi-part · Fermi University Physics · Electronics, Instrumentation & Communication · Semiconductor devices and analogue circuits · Semiconductor devices and analogue circuits

Inside the Instrument, Ch References, regulators and switching converters

Problem

An inverting buck-boost converter is supplied from Vin=15 VV_{\rm in} = 15\,\mathrm{V} and is required to produce Vo=−9 VV_o = -9\,\mathrm{V}. ((a)) Find the ideal duty cycle DD. ((b)) Find the minimum voltage rating the switch must have, ignoring any overshoot.

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