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參數(shù)資料
| 型號： | IRDC3146EVAL |
| 廠商： | International Rectifier |
| 英文描述： | IRU3146 EVALUATION BOARD USER GUIDE |
| 中文描述： | IRU3146評估板用戶指南 |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 1782K |
| 代理商： | IRDC3146EVAL |
IRDC3146EVAL
3
Rev.1.0
7/28/04
www.irf.com
The PCB is 4-layers FR4 board, the top layer is dedi-
cated for power components, with two parallel control
MOSFETs and two parallel Synchronous MOSFETs.
These MOSFETs are dual layout for both SOIC-8 and
DirectFET footprint. The input capacitors are all located
close to MOSFETs. The two output inductors are lo-
cated closed to MOSFETs and are symmetrical to the
output connector for more accurate current sharing re-
sult.
The two mid-layers are dedicated for Analog and Power
ground, these two grounds are kept separated from each
other and they are connected at a single point as shown
in Figure3.
All the decoupling capacitors, charge pump capacitor
and feedback components are located close to the IC.
The feedback resistors are tied to the output voltage at
the point of regulation.
LAYOUT
Figure 2 - Top layer of evaluation-board for IRU3146.
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