LM3530: HWEN - Minimum hold time, low, for a RESET

Mark Pearson

Part Number: LM3530

When resetting the IC - what is the minimum hold-time, low, to reset the device?

i.e. I pull the HWEN pin LOW... but for how long?

Also - once I pull the HWEN HIGH for normal operation - how long should I wait before starting I2C communications with the IC?

Thanks!

over 2 years ago

0 Mason Wang over 2 years ago

TI__Genius 9630 points

hi Mark

Per my understanding, the hardware is enabled or disabled once voltage of HWEN is below or above the logic voltage level shown below. BTW, do you have any results that can be shared?

0 Mark Pearson over 2 years ago in reply to Mason Wang

TI__Genius 12705 points

So, the HWEN is Level sensitive (Triggered once a valid threshold has been met) - NO signal duration required, correct?

I have no Test results to share at this time.

Thanks Mason!

+1 Mason Wang over 2 years ago in reply to Mark Pearson

TI__Genius 9630 points

Hi mark

Yes, that is my understanding. It seems this device is not so commonly used. May I ask the customer and product?

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LM3530: HWEN - Minimum hold time, low, for a RESET