AnsweredAssumed Answered

ADV7182 Power-up sequence

Question asked by y_kawabata@adm.co.jp on Jul 4, 2013
Latest reply on May 30, 2014 by y_kawabata@adm.co.jp

Hi,

 

It is recommended as the following on the datasheet.

1. Firstly DVDDIO(3.3V) is powered up.

2. Then the other supplies(1.8V) are powered up.

 

On the other hand, regarding the circuitry of the evaluation board, 3.3V LDO and 1.8V LDO have common input power supply.

Therefore these two power supplies seem to start up at the same time.

Is it not problem?

 

Best Regards,

yk

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