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IS 230 watt enough?

Naeem Hossain
By Naeem Hossain
in Power Supplies
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Go to solution Solved by mariushm,

You could also just go by those two lines to keep things simple. 

 

5v + 3.3v + 12v combined load = 200w

5v + 3.3v combined load = 95w

200w - 95 w = 105 watts  on 12v

 

A bit off topic, but I strongly suspect that the power supply is even worse in reality, and probably has a couple 3A or 4A diodes on the heatsink, instead of a proper rectifier package for 10-15A (more than the 9A rating for safety)

 

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  • Solution

You could also just go by those two lines to keep things simple. 

 

5v + 3.3v + 12v combined load = 200w

5v + 3.3v combined load = 95w

200w - 95 w = 105 watts  on 12v

 

A bit off topic, but I strongly suspect that the power supply is even worse in reality, and probably has a couple 3A or 4A diodes on the heatsink, instead of a proper rectifier package for 10-15A (more than the 9A rating for safety)

 

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