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LC01-6TD bảng dữ liệu(PDF) 4 Page - Semtech Corporation |
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LC01-6TD bảng dữ liệu(HTML) 4 Page - Semtech Corporation |
4 / 7 page 4 ã 2000 Semtech Corp. www.semtech.com PROTECTION PRODUCTS LC01-6 Device Connection Options for Protection of High- Speed Data Lines The LC01-6 is designed to protect high-speed data lines from transient over-voltages which result from lightning and ESD. The device is designed to protect one line pair in differential (Line-to-Line) mode. Pins 1- 8 are connected to line 1 and pins 9-16 are connected to line 2 as shown. All pins should be connected for best results. T1/E1 Linecard Protection A typical long-haul T1/E1 linecard protection circuit is shown below. The LC01-6 is connected between Tip & Ring on the transmit and receive line pairs. It provides protection to metallic (line-to-line) lightning surges per Bellcore 1089 and FCC Part 68. Depending on the application, a high voltage crowbar device (not shown) such as a gas discharge tube (GDT) or TVS Thyristor may be used to suppress common mode (line-to- ground) surges. To complete the protection circuit, the SRDA05-4 (or SRDA3.3-4 for 3.3V supplies) is em- ployed as the secondary IC side protection element. This device helps prevent the transceiver from latching up by providing fine clamping of transients that are coupled through the transformer. Positive temperature coefficient (PTC) resistors or fuses are also required for AC power cross protection. For further information, reference Semtech application note AN97-10. Figure 2 - Connection for Differential Protection (Line-to-Line) Applications Information Figure 1 - Schematic and Pin Configuration |
Số phần tương tự - LC01-6TD |
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Mô tả tương tự - LC01-6TD |
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