TPS3828 Reset Output Pulse

Jim CHEN

Expert 4795 points

For the TPS3828-33DBVT reset output (Yellow line), we find it had pulse before 3.3Vout stable.

The figure shown below,

And the schematic is shown as below, please help to verify why it will occurs.

Thank you

cid:image001.png@01D0B9E4.3CE53240

cid:image004.jpg@01D20EA0.5322EE00

over 7 years ago

0 Ryan Eslinger over 7 years ago

TI__Guru 55940 points

Hi Jim,

We will respond on the next US Business day.

Very Respectfully,
Ryan

0 Ryan Eslinger over 7 years ago in reply to Ryan Eslinger

TI__Guru 55940 points

Hi Jim,

As is common with SVS devices, /RESET is undefined until VDD is above a certain level. This is due to the internal circuitry requiring some headroom in order to operate properly.

Very Respectfully,

Ryan

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TPS3828 Reset Output Pulse