MOTM

I just bought the Condor HCBB75W-A+  (5V@6A, +/-15V@1.5A) ) a couple of 
weeks ago. It actually gets warm to the touch with my 28 module system. Now 
I'm wondering if I should've gone for the HDCC-150W-A.

 Oh well...At least for now I'm 500/600 series compliant. ;)

 Andrew


In a message dated 4/18/03 4:05:26 PM Central Daylight Time, 
media.nai@... writes:

>  At 2:53 PM -0500 4/18/03, Paul Schreiber wrote:
>  >
>  >>   So what's the advantage of the CP131 over the HCBB-75??
>  >
>  >Allied stocks them, and they are 1 mile from my house.
>  
>  I didn't think anything in Texas was that close together :)
>  
>  >  > To get more power at 15V, the next step up is the HDCC-150W-A
>  >>  (+/-15V@3A, 5V@12A, $170), which seems like overkill.  At most my
>  >>  system will have about 45 modules (1500/45 = 33ma, which seems about
>  >>  average).  Any thoughts??
>  >
>  >Remember, you DO NOT want to get anywhere near the upper limit of 
>  >these supplies. The heat gets
>  >to be too great if you get within say 90% of the rated output. Plus, 
>  >that rating is for "average
>  >AC input", not high line (in the US, the AC wall voltage can vary 
>  >from 90VAC to about 132VAC).
>  >
>  >80% of the stated current is the upper limit you should draw.
>  
>  So I guess that's the HDCC-150W-A.  Which is one big ass honking 
>  power supply -- it takes a 3U case!!
>