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LCP02-150B1RL Datasheet(PDF) 7 Page - STMicroelectronics |
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LCP02-150B1RL Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 8 page LCP02-150B1 7/8 Gn Gp GND TIP RING -Vbat +Vb LCP02 220nF SLIC Rs (*) Rs (*) Line Line card TIP RING 220nF Rs (*) = PTC or Resistor fuse Fig. 6: Protection of SLIC with positive and negative battery voltages. Gn Gp GND TIP RING -Vbat LCP02 220nF SLIC Rs (*) Rs (*) Line Line card TIP RING Rs (*) = PTC or Resistor fuse Fig. 7: Protection of high voltage SLIC The LCP02-150B1 topology is particularly optimized for the new telecom applications such as fiber in the loop, WLL systems, decentralized central office for example. The schematics of figures 6 and 7 give the 2 most frequent topologies used for these emergent applications Figure 6 shows the classical protection topology for SLIC using both positive and negative battery volt- ages. With such a protection the SLIC is protected against surge over +Vb and lower than -Vbat. In this case, +Vb can be programmed up to +95V while -Vbat can be programmed down to -110V. Please note that the differential voltage does not exceed ∆Vbat max at 190V. Figure 7 gives the protection topology for the new SLIC using high negative voltage down to -110V. |
Similar Part No. - LCP02-150B1RL |
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Similar Description - LCP02-150B1RL |
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