VIN's operating range of TPS54525 is 4.5 to 18V. Does that mean as long as VIN is within this range, PG would be driven LOW while EN is LOW? May I know the time delay from VIN reaches 4.5V to PG got driven LOW while EN is LOW? Thanks.
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JungChi,
Once the input voltage is above about 1.2 V, the PG signal is asserted low, so there is no delay from the time Vin is above 4.5 V.