KR100770482B1 - Lga 패키지에서 이용되는 dc-dc 컨버터 - Google Patents
Lga 패키지에서 이용되는 dc-dc 컨버터 Download PDFInfo
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- KR100770482B1 KR100770482B1 KR1020047015631A KR20047015631A KR100770482B1 KR 100770482 B1 KR100770482 B1 KR 100770482B1 KR 1020047015631 A KR1020047015631 A KR 1020047015631A KR 20047015631 A KR20047015631 A KR 20047015631A KR 100770482 B1 KR100770482 B1 KR 100770482B1
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Abstract
Description
여기서 상기 보드레벨 분산 전원아키텍쳐(Board-level Distributed Power Architecture)는 단일 회로보드에 포함된 구성에서 서로 다른 다수의 전압레벨이 제공될 수 이는 회로구성의 필요에 따라 제안된 구성이다. 마이크로 프로세서와 같은 회로구성은 다수의 서로 다른 고전류, 저전압전압원을 종종 요구하게 됩니다. 이러한 요구를 만족시키기 위해서는 서로 다른 전압레벨을 전달하기 위한 각각의 라인을 갖는 보드에 다수개의 전압라인을 제공하는 것이다.
이를 위한 접근은 각각의 라인 길이가 길기때문에 초과 전원이 분산되고, 루틴라인이 보드위 실제영역내에서 변환되므로 보드에 루틴의 밀집도를 증가시키는 것에 대한 약점을 갖고 있다. 그러므로 전체 보드에 제공되는 단일 전원공급라인에서 상기 단일전원은 전원에 요구되는 구성에 매우 밀착되도록 위치되는 전압컨버터에 의해 요청되는 전압레벨로 변환된다. 이러한 접근은 공통위치에서 중심화되는 반대편으로서, 요청되도록 접근하하여 보드전반에 걸쳐 분산된 전압컨버터 때문에 "분산전원아키텍쳐(Distributed Power Architecture)"로서 언급된다.
또한 상기 "벅레귤레이터(Buck Regulator)"는 고주파수 상태에서 제1전압레벨에서 제2전압레벨로 변환하도록 스위칭소자(예를들면, MOSFET)를 사용하는 DC-DC컨버터입니다. 상기 DC-DC컨버터(DC to DC Converter)는 각각 저전압, 고전류를 출력하는 것을 특징으로 한다. 그러나 상술한 "보드레벨(Board-level)"에 유용한 벅레귤레이터를 위해서는 상기 분산전원아키텍쳐를 이용하는 회로보드에 직접 실장해야 되므로 벅레귤레이터의 사이즈를 감소시킬 필요가 있음에 따라 본원발명에서는 LGA(Land Grid Array) 내로 병합되도록 벅레귤레이터로서 DC-DC컨버터를 적용한다.
Claims (17)
- LGA 패키지에 있어서,상부표면과 하부표면을 갖는 기판과;상기 기판에 구비되고 상기 상부표면의 전극과 하부표면의 전극을 갖는 적어도 하나이상의 전원실리콘다이를 포함하되 상기 하부표면의 전극은 상기 기판의 상부표면과 결합되는 DC-DC 컨버터와;상기 DC-DC 컨버터와 전도성 바이어스(VIAS)를 통해 전기적으로 통신하는 상기 기판의 하부표면에 구비되고 전기적으로 열적으로 전도성을 갖는 패드와; 를 포함하고 동시에,상기 다수의 패드는 제1 표면영역을 갖는 제1 패드와 제2 표면영역을 갖는 제2패드를 포함하고 상기 제2 표면영역은 상기 제1 표면영역보다 크며, 상기 DC-DC 컨버터에 의해 발생되는 열은 상기 다수의 패드를 통해 상기 LGA 패키지 외부로 방출되는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,상기 적어도 하나이상의 전원실리콘다이는 적어도 하나이상의 전원 MOSFET 장치를 포함하는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,상기 적어도 하나이상의 전원실리콘다이는 상기 제2 패드의 적어도 하나와 일렬로 구비되는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,상기 제1 패드는 상기 하부표면의 외연영역 내에 구비되는 것을 특징으로 하는 LGA 패키지.
- 제4항에 있어서,상기 제2 패드는 상기 하부표면의 내부영역 내에 구비되는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,상기 제1 패드는 상기 하부표면의 제1 측면 내에 구비되는 것을 특징으로 하는 LGA 패키지.
- 제6항에 있어서,상기 제2 패드는 상기 하부표면의 제2 측면 내에 구비되는 것을 특징으로 하는 LGA 패키지.
- 제6항에 있어서,상기 적어도 하나이상의 전원실리콘다이는 고측면 MOSFET 장치와 저측면 MOSFET 장치를 부가하여 포함하는 것을 특징으로 하는 LGA 패키지.
- 제6항에 있어서,상기 적어도 하나이상의 전원실리콘다이는 제1 한쌍의 MOSFET 장치와 제2 한쌍의 MOSFET 장치를 부가하여 포함하는 것을 특징으로 하는 LGA 패키지.
- 제9항에 있어서,상기 제1 한쌍의 MOSFET 장치는 상기 하부표면의 제1 측면에 구비되는 제1 대응 한쌍의 제2 패드와 일렬로 구비되고 상기 제2 한쌍의 MOSFET 장치는 상기 하부표면의 제2 측면에 구비되는 제2 대응 한쌍의 제2 패드와 일렬로 구비되는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,상기 기판은 상기 상부표면에 구비되는 다수의 다이부착패드를 포함하고 상기 적어도 하나이상의 전원 반도체다이는 상기 다수의 다이부착 패드중에 하나와 대응되어 구비되는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,DC-DC 컨버터는 상기 적어도 하나이상의 전원반도체 다이에 전기적으로 결합되는 다수의 이산 수동소자를 포함하는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,상기 기판을 통해 연장한 다수의 바이어스(VIAS)를 포함하되 각 상기 다수의 바이어스는 상기 적어도 하나이상의 전원반도체다이에 근접하게 구비된 제1 말단과 상기 제2 패드 중의 하나에 근접하게 구비된 제2 말단을 포함하는 것을 특징으로 하는 LGA 패키지.
- 제13항에 있어서,상기 다수의 바이어스는 적어도 하나이상의 전원 반도체다이 하부에 구비되는 어레이에 구비되는 것을 특징으로 하는 LGA 패키지.
- 제14항에 있어서,상기 어레이는 적어도 하나이상의 전원 반도체다이와 상기 제2 패드 중의 하나에 전기적으로 열적으로 결합되는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,DC-DC 컨버터는 벅컨버터를 부가하여 포함하는 것을 특징으로 하는 LGA 패키지.
- 제1항에 있어서,DC-DC 컨버터는 투-페이즈(TWO-PHASE) 벅컨버터를 부가하여 포함하는 것을 특징으로 하는 LGA 패키지.
Applications Claiming Priority (2)
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US10/691,833 US6940724B2 (en) | 2003-04-24 | 2003-10-22 | DC-DC converter implemented in a land grid array package |
US10/691,833 | 2003-10-22 |
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KR20050092090A KR20050092090A (ko) | 2005-09-20 |
KR100770482B1 true KR100770482B1 (ko) | 2007-10-25 |
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EP (1) | EP1676316A4 (ko) |
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WO (1) | WO2005045928A1 (ko) |
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US6940724B2 (en) | 2005-09-06 |
EP1676316A1 (en) | 2006-07-05 |
CN100414697C (zh) | 2008-08-27 |
CN1739197A (zh) | 2006-02-22 |
KR20050092090A (ko) | 2005-09-20 |
EP1676316A4 (en) | 2007-09-19 |
WO2005045928A1 (en) | 2005-05-19 |
US20040212074A1 (en) | 2004-10-28 |
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