psu hold up time >16ms vs hold up time >17 ms Input and Voltage 90-264Vac (Full Range) vs Input Voltage 90-264Vac (Auto Range)

Toggle sidebar Toggle sidebar
Solution
S
Ripple is probable pretty much the same, but with time it will increase (as capacitors age). Pro is better, because ripple will increase much less then with non-Pro version.

But if you really want a PSU that will last you 30 years, that will heat up very little, and have a very little ripple, buy something like this (resonant PSU):

http://www.corsair.com/en/power-supply-units/hx-series?power=650%20Watts|
Sort by date Sort by votes
S

Slobodan-888

Reputable
Jul 17, 2014
417
0
4,860
The performance in the aspect of output power is the same, yes. But, in the aspect of output voltage ripple, Pro is better (lower ripple). Also, since ripple increases over time (due to caps aging), Pro will last longer with ripple within specs.
 
Upvote 0 Downvote
S

Slobodan-888

Reputable
Jul 17, 2014
417
0
4,860
It is the AC component of the DC voltage. Ideally, voltage should look like a flat line (in the time domain), but in reality there is also ripple present, so it looks something like this:

http://e2e.ti.com/cfs-file.ashx/__key/communityserver-wikis-components-files/00-00-00-02-43/5126.Ripple_5F00_breakdown.png

Excess ripple stresses the capacitors on the motherboard / graphic card / and so on, by heating them up. And since, electrolytic capacitors lose half of their lifespan for every 10 oC increase of temperature...

Also, huge ripple can cause changes in logic states (logic 0 can become 1, and give you errors in CPU calculations).
 
Upvote 0 Downvote
You must log in or register to reply here.

TRENDING THREADS

Latest posts

Moderators online

Share this page

COMPANY
RESOURCES
FOLLOW
Top Bottom