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UCC27289: Huge current consumption on VDD pin

Part Number: UCC27289
Other Parts Discussed in Thread: UCC27284


I have seen huge current drawn in VDD pin on Pspice models for UCC27289 and also at least for UCC27284. The finding can easily be seen for example ucc27289.opj project provided by TI (SLUM739.ZIP packet).

Any ideas about the reason for this behavior?


BR.  -Sami