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ts5a22362: Vin recommended operating conditions correct?

Adam Torma
Mastermind 45370 points
Part Number: TS5A22362

e2e,

 

In the recommended condition, VCC range is 2.3V to 5.5V and VIN max is saying 5.5V.

In a given scenario, VIN would be higher than VCC voltage, for example, VCC = 3.3V or 1.8V, but VIN = 5.5V.

Is this use case allowed combination? In other words, it is allowed to apply a higher voltage to VIN pin beyond actual VCC range?

Is the data correct?  If so, please explain the technical reason.

 

Thank you,

Adam

  • 0
    TI__Intellectual 2900 points

    Hi Adam,

    Yes, the datasheet is correct. TS5A22362's IN voltage is allowed to be higher than VCC. The absolute max table shows VI voltage is not determined by VCC. 

    The fundamental circuit reason is that there is no ESD path from IN pin to VCC and the input stage of IN pin is a CMOS gate with high impedance.