For a single-output switched capacitor converter (SCC) there is an accepted model for average output voltage that includes equivalent voltage source and output resistance. There is no such a model for a dual-(multi-) output SCC. This Letter suggests a model of dual output SCC cross-regulation based on a two-port network and shows how to figure out its parameters by simulation and theory.
This paper makes the following contributions to Switched Capacitor Converter (SCC) equivalent (output) resistance analysis. First, it suggests the relationship between equivalent resistances of complementary buck and boost SCC: equivalent resistance of a boost SCC equals that of its buck counterpart times squared boost voltage Target Ratio (Voltage Conversion Ratio). Another contribution is equivalent resistance accurate calculation methodology for an arbitrary 2-phase SCC.
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