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LM5116: Inverting buck-boost configuration and analysis

Part Number: LM5116
Other Parts Discussed in Thread: TINA-TI,

Can the LM5116 be used in an inverting buck-boost configuration?  I am designing a circuit with 20-30v input and -48v 1 amp output.  Webench does not provide any possible designs, however I believe the 100v rating of te LM5116 should support this application.  I also cannot get the device to work properly in an inverting configuration in TINA-TI.  Are there any example schematics or TINI-TI files for the inverting buck-boost configuration?