TMP431: ALERT as open drain

na na78

Guru 16770 points

Part Number: TMP431

ALERT should not be above Vcc + 0.5V accordance with absolute maximum ratings.

Is there diode to VCC at ALERT pin?

If Vcc = 0V, could it be observed some voltage? (0.5V?)

BestRegards

over 5 years ago

0 Ren Schackmann over 5 years ago

TI__Mastermind 35895 points

Hi na,

The Absolute Max of Vcc + 0.5V does imply that there is a diode structure between ALERT pin and V+ pin.

However, I wouldn't expect to see a voltage on ALERT caused by 0V at V+.

Thanks,
Ren

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TMP431: ALERT as open drain