LTM4680

SumamaHashir on Jan 14, 2022

Hi,

I have used LTM4680 for getting 0.85V output. On probing the output, I am getting all the outputs such as VDD33, VDD25 and INTVCC except my Vout which is coming out to be 0V.

I have connected TSNS0A to TSNS1A and TSNS0B to TSNS1B which is opposite from what recommended in the datasheet.

Does this temp sense pin has any role to play in this ?

Regards,

Sumama Hashir

Top Replies

yanliang
Jan 25, 2022 in reply to Sumama +1 suggested
WP pin can be connected to GND. Also, how many boards have you tested? If only one board, it is possible that it is soldering issue.

0 ron.p

on Jan 19, 2022 8:33 AM
Hi Sumama Hashir,

Have you tried connecting the TSNS pins correctly and power up your circuit again?
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0 SumamaHashir on Jan 19, 2022 8:35 AM in reply to ron.p

Hello,

Thanks for replying.

I haven't tried that yet. I was wondering what effects will this ( wrong connection of TSNS pins) will have on the output.
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0 Sumama on Jan 23, 2022 2:29 PM in reply to ron.p

Hi,

I have now connected TSNS pins correctly, but still output is coming out to be 0V.

I am getting every other outputs such as VDD33, VDD25 and INTVCC. My fault pin isn't going high.

Please help me in this regard.
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0 yanliang

on Jan 25, 2022 10:51 PM in reply to Sumama
WP pin can be connected to GND. Also, how many boards have you tested? If only one board, it is possible that it is soldering issue.
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