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參數(shù)資料
| 型號： | QPI-8LZ-01 |
| 廠商： | Vicor Corporation |
| 文件頁數(shù)： | 12/17頁 |
| 文件大?。?/td> | 1498K |
| 描述： | IC HOT SWAP EMI FILTER 16LGA |
| 標(biāo)準(zhǔn)包裝： | 20 |
| 系列： | Picor®, QUIETPOWER® |
| 類型： | 熱交換開關(guān) |
| 應(yīng)用： | AdvancedTCA |
| 內(nèi)部開關(guān)： | 是 |
| 電流限制： | 6A |
| 電源電壓： | 36 V ~ 76 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | * |
| 供應(yīng)商設(shè)備封裝： | * |
| 包裝： | 管件 |
| 其它名稱： | 1102-1092-5 |
C
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Picor Corporation ?picorpower.com
QPI-8
Rev 1.5, Page 12 of 17
QPI-8
QUIETPOWER
?/DIV>
The shield plane under the two converters in Figure 20 should
be one contiguous plane under both. The circuit in Figure 20
is capable of filtering more converters than shown, up to the
maximum current limit of the QPI-8. In Figure 21, a separate
shield plane is required for each converter along with a
separate RY resistor.
The QPI-8 is not designed to be used in parallel with another
QPI-8 to achieve a higher current rating, but it can be used
multiple times within a system design.
Output to Chassis Connection Using the QPI-8
Figure 22 Connecting the converters output ground to chassis through an inductor.
(4)
Figure 23 -Total Noise EMI Plots of Vicors V48B12C250BN, connected as shown in Figure 22
The direct connection of the converters output to the
earth/chassis will degrade the EMI attenuation performance of
the QPI-8. Picor recommends that the connection to the earth
be made through a series inductor, rated to the maximum
output current of the converter, as shown in Figure 22. The
EMI plot shown in Figure 23 is of the same converter as in
Figure 8, but uses an inductor in place of RY and has the
converters output ground connected to the shield plane.
The connection of the shield plane directly to the chassis/earth
will also degrade EMI attenuation by the QPI-8 and is therefore
not recommended.
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