Customer asked that does UCC28051 has brown in/ out function?
we cannot find related descriptions in datasheet,
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I reviewed the data sheet and the device does not have a brown out function.
The controller does have a multiplier and by properly sizing the current sense resistor you can limit the input power of the converter during a brown out to protect the components from an over load condition. Please see the following information from the data sheet to properly selects the current sense resistor.