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Thread: Seasonic S12III (3) appears... DC-DC finally?

  1. #51
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    Your picture doesn't work.

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    Jon Gerow (04-24-2019)

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    Quote Originally Posted by asf14tomcat View Post
    ic supervisor is GR8313
    Oh, they dropped their beloved HY-510N?? How come?

    But the GR8313 is only slightly better, still pretty shit as it doesn't provide OCP for minor rails.

    I don't get why Seasonic didn't use a good 14pin one with seperate OCP Channels like other competitiors do...

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    Quote Originally Posted by Stefan Payne View Post
    Oh, they dropped their beloved HY-510N?? How come?

    But the GR8313 is only slightly better, still pretty shit as it doesn't provide OCP for minor rails.

    I don't get why Seasonic didn't use a good 14pin one with seperate OCP Channels like other competitiors do...
    Hmm... If the PSU has DC to DC for the minor rails, why do you need the main supervisor IC to handle OCP? The D2D card should have it's own IC.

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    fixed picture. IC controller of DC to DC circuit have built in protections . so dont need IC supervisor cover that rails.
    but we talk about dual mag not dc to dc circuit

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    Quote Originally Posted by Jon Gerow View Post
    Hmm... If the PSU has DC to DC for the minor rails, why do you need the main supervisor IC to handle OCP? The D2D card should have it's own IC.
    Because its Dual Mag Amp, "analogue" controlled, not DC-DC...

    But I heard that Seasonic with the small DC-DC Modules might die as well due to wrong OCP...
    Something like the older EVGA 550/650W GS Series...

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    Quote Originally Posted by Stefan Payne View Post
    Because its Dual Mag Amp, "analogue" controlled, not DC-DC...

    But I heard that Seasonic with the small DC-DC Modules might die as well due to wrong OCP...
    Something like the older EVGA 550/650W GS Series...
    Ok. I was on the fence on that one. Didn't know we finalized that it didn't have DC to DC. Just trying to keep up.

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    https://i.imgur.com/JnPRblg.png
    HMM.. At least the load regulation looks good.
    Last edited by rgbodosk; 07-01-2019 at 01:27 PM.

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    Picture doesn't work.

    https://post.m.smzdm.com/p/aoo69md7/
    http://www.f14lab.com/2019/05/review...50650.html?m=1

    Some more pictures and some tests.

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    rgbodosk (07-01-2019)

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    That's weird. fixed.

    Is there any other powers that uses design like this?
    (looks like typical double forward but LLC, individual regulation with dual mag amps)
    Found SF-*00P12A is very similar to this. SF outsources from RSY often... I wonder P12A is made by RSY too.


    Wait, what happended to ripple? 12V 70mV?
    Last edited by rgbodosk; 07-01-2019 at 02:26 PM.

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    Still in norms, but i wonder that if ripples/voltages are bad, but still in norms it can be dangerous to pc?

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