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PLCDA12C-6 Datasheet(PDF) 4 Page - Protek Devices |
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PLCDA12C-6 Datasheet(HTML) 4 Page - Protek Devices |
4 / 5 page 4 www.protekdevices.com 05102.R6 4/05 PLCDA03C-6 thru PLCDA15C-6 APPLICATION NOTE CIRCUIT BOARD LAYOUT RECOMMENDATIONS Circuit board layout is critical for Electromagnetic Compatibility (EMC) 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. The PLCDAxxC-6 Series are low capacitance, bidirectional TVS arrays that are designed to protect I/O or high speed data lines from the damaging effects of ESD or EFT. This product series has a surge capability of 500 Watts P PP per line for an 8/20µs waveshape and offers ESD protection > 40kv. BIDIRECTIONAL COMMON-MODE CONFIGURATION (Figure 1) Ideal for use multimode transceiver I/O lines, the PLCDAxxC-6 Series provides up to six (6) lines of protection in a common-mode configuration as depicted in Figure 1. Circuit connectivity is as follows: ✔ Line 1 is connected to Pin 1. ✔ Line 2 is connected to Pin 2. ✔ Line 3 is connected to Pin 3. ✔ Line 4 is connected to Pin 8. ✔ Line 5 is connected to Pin 7. ✔ Line 6 is connected to Pin 6. ✔ Pins 4 and 5 are connected to Ground. BIDIRECTIONAL COMMON-MODE CONFIGURATION (Figure 2) The PLCDAxxC-6 Series also provides video line applications six (6) lines of protection in a common-mode configuration as depicted in Figure 2. Circuit connectivity is as follows: ✔ Line 1 (Red) is connected to Pin 1. ✔ Line 2 (Green) is connected to Pin 2. ✔ Line 3 (Blue) is connected to Pin 3. ✔ Line 4 (VSYNC) is connected to Pin 6. ✔ Line 5 (HSYNC) is connected to Pin 7. ✔ Pins 4 and 5 are connected to Ground. 1 2 3 4 8 7 6 5 LINE 6 LINE 1 LINE 2 LINE 3 LINE 4 LINE 5 Figure 1: Typical Transceiver Protection Circuit Figure 2: Typical Video Line Protection Circuit 1 2 3 4 8 7 6 5 LINE 1 (RED) LINE 2 (GREEN) LINE 3 (BLUE) LINE 4 (VSYNC) LINE 4 (HSYNC) DB-15 CONNECTOR |
Similar Part No. - PLCDA12C-6 |
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