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Power Supply of the MAX10

Altera_Forum
Honored Contributor II
‎11-18-2015 08:00 AM
1,525 Views

I want to use only one switching regulator to supply my complete 10M08SCE144C8G without using the adc feature abd power up all IOs on 3.3V. But in the connection guidlines are always two switchers used to supply VCC_ONE and VCCA seperated from VCCIO. So my question is, do you think it is possible to supply them with only one switcher and decouple them with a simple filter or inductor, like it is done in the following schematic? http://www.m-pression.com/solutions/boards/odyssey/max10-teardown 

 

Thanks for your help
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Altera_Forum
Honored Contributor II
‎11-18-2015 11:06 AM
628 Views

Yes, you can do that. 

 

The only issue is when you want 'Instant-On Support' in which case: 

 

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VCCIO must ramp up to full rail before VCCA and VCC_ONE start ramping. 

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However, MAX 10 supports Hot Socketing, which benefits from: 

 

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Support for any power-up sequence 

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Cheers, 

Alex
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