SLVDA2.8LC(2010) 查看數據表（PDF） - ProTek Devices.
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SLVDA2.8LC Datasheet PDF : 8 Pages
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application information
1
2
3
4
Line 1
8
Line 2
7
Line 3
6
Line 4
5
SLVDA2.8LC
figure 1 - bidirectional common-mode protection
The SLVDA2.8LC provides 4 lines of protection in a common mode configuration. Circuit connectivity is as follows:
• Line 1 connected to Pin 8.
• Line 2 connected to Pin 7.
• Line 3 connected to Pin 6.
• Line 4 connected to Pin 5.
• Pins 1, 2, 3 and 4 connected to ground.
Line Pair 2
Line Pair 1
1
8
2
7
3
6
4
5
Line Pair 3
Line Pair 4
figure 2 - bidirectional differential-mode protection
The SLVDA2.8LC provides four line pairs in a differential mode configuration. Circuit connectivity is as follows:
• Line Pair 1 connected to Pins 8 and 1.
• Line Pair 2 connected to Pins 7 and 2.
• Line Pair 3 connected to Pins 5 and 4.
• Line Pair 4 connected to Pins 6 and 3.
circuit board recommendations
Circuit board layout is critical for electromagnetic compatibility protection. The following guidelines are recommended:
• The protection device should be placed near the input terminals or connectors, the device will divert the transient current
immediately before it can be coupled into the nearby traces.
• The path length between the TVS device and the protected line should be minimized.
• All conductive loops including power and ground loops should be minimized.
• The transient current return path to ground should be kept as short as possible to reduce parasitic inductance.
• Ground planes should be used whenever possible. For multilayer PCBs, use ground vias.
05143.R9 10/10
Page 5
www.protekdevices.com
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