TPS3700: Behavior of OUTA when INA+ applied before power up

S.Satoshi

Part Number: TPS3700

Hi,

Please let me ask about behavior of OUTA when INA+ applied before power up. I guess that OUTA will go high after tPLH from VDD reaches 1.8V as attached. Is my understanding correct?

Best Regards,

Satoshi / Japan Disty

over 5 years ago

0 S.Satoshi over 5 years ago

Guru 21675 points

Hi,

Thank you for your support. I'm waiting for your response.

Best Regards,

Satoshi / Japan Disty

0 Michael_DeSando over 5 years ago in reply to S.Satoshi

TI__Genius 12630 points

Satoshi,

Upon power up, there is a start of delay of 150us typical, 450us max as mentioned in the Table 6.5 for the Electrical Characteristics. This means VDD must exceed 1.8V for 450us max before the output is in the correct state.

Please let me know if this answers your question or if you need more support. Thanks!

-Michael

0 S.Satoshi over 5 years ago in reply to Michael_DeSando

Guru 21675 points

Hi Michael,

Thank you for your comment. I missed the start up delay spec, thank you for your advice. Then in this case, the maximum delay may be 450us after Vdd reached 1.8V. Is my understanding correct?

Best Regards,

Satoshi / Japan Disty

0 Michael_DeSando over 5 years ago in reply to S.Satoshi

TI__Genius 12630 points

Hi Satoshi,

Yes your understanding is correct. Let me know if you need additional support. Thanks!

-Michael

Power management

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TPS3700: Behavior of OUTA when INA+ applied before power up