Ŀ´Ƽ
 
 
 
 
 
Ŀ´Ƽ õԽù       | õ | ֱٴ۴޸ | ()

 
 
 
/ױ

Active PFC ȿִ°? ڽ ENP-2725H




ȸ : 3224
ۼ : 2005/02/05 08:39
URL : http://www.bodnara.co.kr/bbs/bbs.html?D=20&num=58875
Ʈ    ̽


÷λ 2.Ŭ Ȯ˴ϴ.

 

  
   ۾ :
 (http://zoneandy.vgaclub.co.kr/)

 

1. ̴Ŀ Active PFC ..


(power factor) ϴ Ŀö ֵ 򰡿Ұ ǴĴ پ ̰ ְ, Ư G ̶ 層 ݰ 鵵 ʴ.


׷ Ŀ鿡 ִ PFCȸΰ δ ׷̴. ʿ Ǵ Ŀ Ǵٰ ȸθ ϰ ȿºп ¡Ǵ ɰ  , ݼ۵Ǵ ȿ ּȭؼ ⼭ ߻ϴ ϼ ִٴ EMI ҿ ȴٴ ϱ ̴.


ATX Ǵ EPS12V ־ PFCȸ Ư ߿ Active , mATX ãƺⰡ . Ŀ߿ õ TAGAN mATX 330/350W Active PFC ־, ̹ Ӱ ̴ ڽ mATX 250W ι° Active PFCȸθ Ҽ ִ. ⼭ Ұص帱͵ ٷ ڽ ENP-2725H mATX 250W ̴.


 

  𵨸     Enhance ENP-2725H 250W
  AC input     100V~127V/47Hz, 200V~240V/63Hz
  DC output   +12V  -12V

  +5V

 +3.3V  +5VSB
   16A   0.3A

  20A

  18A   2.0A
   5%

 10%

  5%   5%   5%
       Ĺε 105W,  Total 250Watts
 ̺     ATX 20 1, HDD/ODD 4 4,
    4 1,  FDD 1, SATA 1
       80mm ̱ - Ա (ADDA)
   ũ           125 * 100 * 63.5 mm
   

         SFX12V v2.3 compliant

   Ư ¡

                            

   

         44,000 (ٳ )

   ó          



ڽ Ŀ ؼ ʿ ־ ǰ̸, mATXδ ۳⿡ LPŸ ְ ũδн SL-10  OEM Ŀ ٷ Enhance mATX 200W . ⼭ ׷̵ 12V ȭϰ Ƽ äϰ ADDA ȯ ؼ ø Ѱ ̹ ENP-2725H̴. SL-10̽ ұ ̹ õ ENP-2725H ؼ ģ ִµ, ԰ݸ鿡 ϸ Ÿ microATX ۰ ƴ ̴. 

80mm Ͽ Ÿ ǰó Ʒ Ƣ° ƴ϶ ϰ η Ų ¶ ƴ϶ LPŸԿ ϰ Ǵ ̴. ڼѰ, Ʒ ϱ ϰ.. 켱 񱳴δ Oseeo mATX 330W äϿ. Active PFC ޸Ʈ ˾ƺ ȿ Ҹ ߿ Ұ non-PFCİ ׽Ʈ غ Ѵ.

                 ȯ̵带 ̿ؼ  ENP-2725H    

 


 

2. ƴ ̴Ŀ. ENP-2725H

켱 ڽ Ű ̴. ̹̰, ̱ ޷ִµ.. Ʒ .

                         ޽ ̴ ڽŰ

A/S ̷Ŀ


A/S 븸 ڽ ѱ ޾ü ()ڽ(http://www.enhance.co.kr/) ϴ° ƴϰ, ߰ ü ̷CnC(http://www.gyrocom.co.kr/) ϴ° ܺϴ. , ƺƮ κ忡 Abit Korea ü () 踦 ϸ ذ ̴. ̷ ۳⿡ SATA Controller ī ˷ ȸ̱⵵ ϴ. ó ״̴.

                              ENP-2725H mATX 250W


ü ڽ200W ϴ. Ϲ mATX 80mm ̱ Ʒ Ƣų Ǵ 60mm*2 , ڽ250W 80mmӿ ؼ Ʈ ϰִ. п ̽ ƴ϶ ''̶ Ҹ LPŸ ̽ ϰ .

 

                               ⱸ -  ϴ.


ⱸ ׳ ټ ո ¸ Ѵ. Ʒʿ ߰ſ ⸦ ڿ Ҽ ִ ̴. ƽ, ڽ200W On/Off ġ ־ ٵ 80mm η п ̴.

 

                              Ա - 80mm ̱


Ա ̴. ADDA 80mm Ǿִ. Ƣ; κ η ־ ȴ. Ʒʿ ڼ Ѵ.

 

                           ڼ - 12V 16A


ִ. ENP-2725H 𵨸̰, ڽ Ȩǿ ãƺ 2725H/J/D/A 4 ð Ǿ. Ǵ° H ε, 𸣰ڴ. ½ о Ѱ . 12V 16A ־ Ĺε(3.3V+5V) 105W ִ. ֱ mATX Ŀ 12V 18A Ǵ 20A ǰ鵵 ֱ, о κǰ ǰ ؾϹǷ ENP-2725H ϴ ȴ.

 

                 80mm , Ʒ Ƣ ʾҴ.


º Ư ̺Ÿ ɷ   ƴϾ. Ŀ   ȵǴٺ Ұ͵ ̴. ڽ Ŀ OEM/ODM ø ϴٺ ENP-2725H 쵵 ӽ dz ִ. 񽺵 Ʒ Ƣ Ÿ mATXǰ 񱳰 ɰ̴. , üҴ, ʸƽ Ʒ Ƣ ε ̷ Ⱦϴ 鿡Դ ڽ ENP-2725H Ŀ ٰ ִ.

 

                             Ŀ ̴.

SATA Ŀ


Ŀ . ʿѰ͵鸸 ִ ̶,  OEM ǰҰ 忡 Ĵ° ƴұ.. . mATX ׸ Ŀ ʿġ Ÿ Ŀ ־ Ǿ߸ Ѵ.  ̺ ϱ ̴. SATA Ŀ ߼ó +3.3V ߰ ̴. NCQ ֱٿ ø Ͽ ٸ SATA ll 밡 տ ٰ ̴. ׶ ؼ..*.*

 

                         ũ - Ϲ mATXٵ ۴.


Oseeo mATX 330W ũ񱳸 ̴. ôٽ, Ѵ ̴Ŀ ڽ250W ºʿ ũⰡ ˼ִ. ̴Ŀ Ϲ ATXĿʹ ޸ ԰ mATX, SFX, FTX پϱ Ȯ ظ߱ , ڽ ڷῡ ϸ ENP-2725H SFX 12V v2.3 ԰̶ Ѵ. ڼѰ www.formfactors.org ̸ ִ.

 

                                 mATX to ATX ȯ̵


° ϳ. ʾҴµ, Խø ȯ̵ ȴ.  꿡 ҽô õ ϴµ ڽ Ŀ ׼ ֹǷ پϰ Ȱ ϴ. ̽ ƴ϶ Ϲ ̵Ÿ ̻󿡼 . پ ϱ ư ̴. Ưϴ.^^;

                                 ȯ̵
 

                   ȯ̵ Ϲ̽ ޼ ִ.


ȯ̵带 ̿ؼ ̵Ÿ ML-10 غ ̴. ְ ȴ. ̷ϰ Ʒ ׽Ʈ Ҽ ־.



 

3. Ŀ ɸ´ θ

                                 ENP-2725H θ


Ÿ mATX پ ϰ  κǰ Եȴ. Ʈũ ̿ ĿнͰ ġϴ°͵ ϴ. ȸε ٷ δ.

 

                                  Է EMI Ʈ - Open


Է Ʈ Ͱ. EMI Ͱ Ǿ ̴. SFX ŸԿ Ű¡ Ÿ ϱ ̴. ɻ ̵ ̴.

 

                                     Active PFC ȸ


Էº ٷο Active PFCȸΰ ġϰ ִµ, ̳ Ŀ Ǵٰ ̷ Ƽ ϰִ. ̰ .. " " ( ȿºп ؼ īƮȴ) ݸ鿡 EMI ĸ ҽŲٰų(̰ Passive ݴ ) Ǵ ȿ¿ ߻ϴ ּȭѼ Ŀ ü شٴ ִ.


⺻ (power factor)̶° apparent power working(= true, real) power ϴµ ̷ apparent power ԵǴ non-working а ݼ۵Ǵ reactive power ּȭǰ ٿ༭ ü Ѵٴ PFC ȸΰ ʿϸ ߿ Active ȿ̶ .


п Ŀн 쵵 PFCȸΰ Ŀ   뷮  AC->DC ȯ ϴٰ . , 񱳴 Oseeo mATX 330W  680uF 200V Ŀн 2ν ξ 뷮 ִµ ݸ鿡 PFCȸδ .

 

                            Ŀн & Ʈ


Ŀн Ѱ ־ ƼĿ ѷ ¶ Ⱑ ؼ Ȯ 뷮 ˼ µ, A-PFC ȸδп 뷮 ׸ ũ ŷ ۵ȴ. A-PFC Tagan 330W 200V 330uF¥  Ҷ Ƹ 뷮 ȴ.

 

                                     Ʈ


Ʈ ̺ Ÿ ɷ ϰ ٷ ִ.

 

                                  Ʃ꿡 ѷ ǻ


ǻ pcb ¶ Ż/ȯ Ұ, Ʃ ־ δ.

                              Ŀ - 2ɹ


Ŀ ε, 2ɹ̴. ٰ Ƿ ߰ ׿ ͵ . ٵ, ADDA ü ̶ ׳ Ҹϴ.

                               ܺε и
 

                           ADDA 80mm - 15T ԰


߿ Ĵ ADDA 80mm 25T ԰ , 15T ԰̴.(80*80*15) 븸 ADDA Ȩǿ ڼ ã Ʒ ũ ɾ帰. http://www.adda.com.tw/products/fan2/AD8015(T).htm


߿Ѱ͸ 캸, 0812HB-D70 𵨸 ÷ο 30.26CFMٰ 33.4dB ־. Hypro-Bearing̶ ִ. 鿡 30dB Ѿ ̶ ''̶ ϱ .  ۵õ 鸮̾µ, ׸ ū ϴ° ƴ϶ ΰϽźе鸸 ƴ϶ ϴ 鿡 Ͻǰ̴.



 

4. ׽Ʈ - , µ,

                      񱳴 - ڽ250W vs ÿ330W


׽Ʈ غ Ѵ. ߵ 񱳴 Oseeo mATX 330W ̴. PFCȸ , ׷ ̳  Ҹ Ŀ̴. ENP-2725H Active PFC ȸΰ Ư ߿  ۿϴ ˾ƺ Ѵ. к ׽Ʈϸ Ʒ .
 

 

  M/B

   Asus P4P800-E Dlx (̿ v1004)

  CPU

   2.4B @3.06Ghz (fsb170)   1.535V

  RAM

   512M 333@424Mhz (4:5 )  2.65V
   dual channel.  Ÿ̹: 2.5-3-3-6    

  VGA

   MSI Ti4200 with Agp8X (@ 275/567)

  HDD

   WD SATA 1200JD*2 RAID 0  - ÿ   

   Hitachi 7k250 120G 8M  - ߰

  ODD

   Z ComBO 352F

 Tools

   Hioki-3803 DMM
   Thermaltake Temp Master ll   

 Utilities

   Prime95 Ź SP2004

   Asus PC Probe v2.23.04
   SpeedFan v4.17


full load ϴ Ź Large, in-place FFTs 30 ̻ Ͽ, Ư ǻʿ ɱ⿡ ϴ. Blend ޸ʿ ַ ϸ ɱ⶧ ̿ܿ ¡ 뵵 ް ϴµ, ̿ Large ¡ ǰ ǻ ׻ 100% ġݰ ִ.



Hioki-3803 DMM ̿ؼ ϰ ġ Ʒ . ̵ Ǯε ϰ  ϴ ְġ/հ/ġ ̷ зؼ غҴ.

  +12V by DMM  ENP-2725H 250W  Oseeo mATX 330W  
  idle    High
   Avrg
   Low
    12.00V
    11.94
    11.87 (0.13)
    12.12
    12.05
    11.93 (0.19)
  full load    High
   Avrg
   Low
    11.87
    11.81
    11.75 (0.12)
    11.99
    11.92
    11.81 (0.18)



Ŀ Į л¸ ϱ , Ŀ Ư ̰ ִ. 켱 12V ϴ 鿡 Oseeo330W ¸̴. ̵ 12.05V Ǯεÿ 11.92V Ҹϴ. ݸ鿡 к ־ ENP-2725H ¸̴. ̵/Ǯε ENP-2725H High/Low 0.12~0.13 ӿ ؼ Oseeo330W 0.18~0.19 ˼ ִ.


Ʒ speedfan ̿ؼ ߼ غҴ. DMM Ǵ ߼ ġ ϴµ, ġ鿡 0.1~0.2V ǥõ ˼ִ. ׷ 鼭 帮..

       ڽ250W -> idle +12V                  full load  +12V
       ÿ330W -> idle +12V

                 full load  +12V


+12V ̵ÿ ENP-2725H ǿܷ 龦ϴ ̴. ݸ Oseeo330W ִ̰. Ǯεÿ а µ Ŀ ̸, ־ ENP-2725H ׳ δ.

 

    ڽ250W ->  +5V & 5VSB()             full load  +5V & 5VSB
    ÿ330W ->  +5V & 5VSB()

            full load  +5V & 5VSB


+5V +5VSB غҴ. ⼭ Ŀ Ư¡ 巯. 켱 ENP-2725H 5VSB +5V ġ Ǹ, ݴ Oseeo330W +5V Ǵ° Ư¡̴. StandBy  ý  cmos嵥 ̳ PS/2 Ʈũ ϱ    ϴµ, ̰ͺٴ +5V ǥġ ϴ° Ѵ. 鿡 ENP-2725H δ.


 

- µ(߿) ׽Ʈ


߿ ׽Ʈ ϸ鼭 Ŀ Ա/ⱸʿ µ ϰ غ ǿܷ 30 ó  ġ Ծ. غ Ȯ ƴѵؼ, Ŀθ ߿ ϴٴ Ʈũ ٰ µڸ ϰ غҴ.  ̴. 2谡 µ ǰִ. 

 

 

Ŀ Ѱ ׷ ű . ÷ 5 ϰ ߻ϴ 2 ٿ ü 30 غ µ̴. Active PFC ݼ۵Ǵ ȿ ϼ ְ п ȿ¿ ߻ϴ ҽų ֱ µ϶ ɰŶ ߾. ٵ Ǯε ǹ̰ °ó δ.


ø Oseeo330W 翬 켼̴. Ŀ ð Ŀ ȭ ߼ µ.. ENP-2725H 56, Oseeo330W 53 ȭǴ ߼ 3 ˼ִ. ̰ PFCٴ ̰ ũ ۿѴٰ ȴ.

ÿ330W 60mm*2 -> ȯ ̷ ̴. ݸ ڽ250W 80mm ̱ ̸, Ÿ 80mmʹ ޸ 25/20T ƴ 15T ԰̶ dz(CFM) ׸ ƴϴ. RPM Meter غ ʾ ȸϱ ( ؼ ׷ 踦 ѵ) ðɿ ׸ پٰ ϱ .



׷, Ǯεÿʹ ޸ ̵ô ̾. ̵ô µ ȹ µ.. 쿬 пµ踦 ¿ ̳ ٱ ۾ ϸ鼭 Ǵ ġ , ڽ250W ǿܷ(!) µ ϰ ִ. Ʒ ø..

              ڽ250W - idle                ÿ330W - idle


ڽ 47.9 Ű( 48 ó), ÿ 49.8( 50) Ÿ ִ. 2 ڽ Ŀ ˼ ִ. ̰ Ͱ 95 Ǯε ۾ҽ ׸ ƴϴ. ׷ٸ ۾ Ҷ µġ Ŀð ؼ ߿ϰ ɼ ִµ, 鿡 ڽ250W 켼ϴٰ ȴ.


̰ A-PFC ȸ п ȿ ҷ ߿ ƴ ٸ ִ Ȯϰ ľϱ 絥.. ׷ ȯ濡 µ ϴ° ɽ A-PFC ִ  ƴұ غ.


 

- ؼ


̰ ׳ Ѵ. Ϳ ؼ 򰡸 ڸ, ÿ330W ںе ˰ ̴. ̿ ڽ250W (!) ƴϾ. ư Ҹ Ϳ 鸮 ̴. 忡 33.4dB ̶ ׸ 氡 ϱ⵵ . ŭ ΰ е ƴ϶ δ.


ݸ鿡 ణ ǸѰ͵ ִµ, ADDA fan ̶ ͸ ó (!) ߾. ߿ Ѱ ADDA fan Globe fanε.. ۷κ ϱ ϱ ƴҿ ؼ 븦 ߾, ŭ ׸ ƴѰ .


 


5. LPŸ ̽ õҸ Ŀ! ENP-2725H


̻ ׽Ʈ  ؼ ϸ . 켱 , 12V ϴ° ÿ330W 켼̴. ݸ (High/Low) 쿡 ڽ250W  켼Ѱɷ δ.  Ŀ 3%ȿ ġ̶ Į 븸 ٸ Ҹ ǰ̴.  +5V  ڽ250W ǥġ ϰ Ǿ.


µ 쿡 ߵ, 95 Ǯεô ÿ330W 3 Ǿ, ݸ ۾鿡 ڽ250W 2 Ǿ. ̰ A-PFC ̱⸦ ٶ(ƴ ).   ƴ 뿡 ұϰ ׸ ƴ ׳ ϰ Ҹ ϴ.


̴Ŀӿ A-PFC ȸθ Ѱ ū Ư¡̱⵵ ѵ, ̰  ɷ ΰ Ұ̴. Ÿ mATX ϰ A-PFC äϰ Ƿ Ŀ ϱ , ݰ һӴ ߿ ׽Ʈ ̵ø ȿ ̴ٺ ϱ ñΰ . Enhance ȸ ü ʿ Ǹŷ Ȯϰ Ƿ Ƹ ʿ ߴٺ A-PFC Ѱ ƴѰ ȴ.


׸ /(LP) ̽ Ҽ ִ. 80mm ̱ η ߴٺ پ ̽ ϴٴ ޸Ʈ ȴ. , ۳ʿ ߴ SL-10 ̽ ڽ200W Ŀ LPŸ ̽ ߴ Ҵµ.. ׷ٰ TFX Ŀ ⵵ ߰ ׳ 200W¥ ƿԾ.  ̹ ȸ ܼ 밡 ȴ.^^;


 

- ̻, ENP-2725H ⸦ Ĩϴ.  оֽ е ϴ!
ǰ ֽ PCBEE ̷() ȸ翡 縻 帳ϴ.
 

3
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xxx
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   Խù
õȳ
Խù õ ֽϴ.õ 5 ̸̻ ο Խù ɾ 帳ϴ.
Ʈ ̺Ʈ Ͻþ ǰ ޾ư ֽϴ.

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