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VBUS 5v Supply Timing

Hi,
I have one question about the USB VBUS of L137 .

When power is not supplied to USB0_VDDA33/USB0_VDDA18/VDD,
Is it okay to supply 5V to USB0_VBUS?

It generates 3.3V and 1.8V from 5V. We use a USB0 as host only and USB0_VBUS is connected to 5V.
So 5V is supplied first.

Regards.