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參數(shù)資料
| 型號： | AG8200 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Power-Over-Ethernet Module |
| 中文描述： | 供電以太網(wǎng)模塊 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 274K |
| 代理商： | AG8200 |
V1.0 Dec 2006
Data Sheet
Ag8200
Power-Over-Ethernet Module
Because each application is different it is impossible to give fixed and absolute thermal
recommendations. However it is important that any enclosure used has sufficient
ventilation for the Ag8200 and a direct airflow if possible.
One simple method for drawing some of the heat away from the Ag8200 is shown in
Figure 9. Power planes connected to the +VDC and GND pins of the Ag8200 can be used
to draw heat away from the DC/DC converter via the output pins.
These power planes must be on the outer layers of the PCB and the Ag8200 must not be
fitted into a socket (this example is suitable for both –S and –D variants).
Figure 9: Power Plane Heatsink for Ag8200-S
Figure 10, Figure 11 and Figure 12 show the maximum ambient temperature under
different load conditions. These figure have been recorded in a sealed enclosure (in still
air) using a heater element to elevate the ambient temperature (within the enclosure).
9. Over-voltage
The Ag8200 may be damaged by voltage inputs greater than 80V. If protection from
electrostatic discharge (ESD) or other high voltage transients is required it is
recommended that an over-voltage clamping device is fitted between the VIN+ and the
VIN- pins. Typically an SMAJ58 will be sufficient.
Silver Telecom 2005
11
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