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STLC5445 - QUAD LINE FEED CONTROLLER

Description

The QUAD LINE FEED CONTROLLER provides a power source for up to four U line interfaces.

The power source to the device is a local battery or a centralized regulated power supply.

Each powered line is individually controlled and monitored by the device interface.

Features

  • ISOC OLDH Parameter Open circuit detector threshold Open Loop detector Hysteresis Test Condition Min. 1.5 Typ. 3 0.

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Full PDF Text Transcription

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STLC5445 QUAD LINE FEED CONTROLLER s s s s s s s s s s s s s BATTERY VOLTAGE UP TO 120V SUPPLIES POWER FOR UP TO FOUR DIGITAL TELEPHONE LINES PROGRAMMABLE CURRENT LIMITING LONGITUDINAL CURRENT CANCELLATION ETSI ETR80 COMPLIANT OUTPUT CURRENT UP TO 140 mA STATUS CONDITION DETECTION FOR EACH LINE AUTOMATIC THERMAL PROTECTION AUTO POWER ON SEQUENCE OUTPUT STAGE OPTIMIZED FOR MINIMAL OUTPUT OVERVOLTAGE PROTECTION TWO EXTERNAL RELAY DRIVERS PER LINE PARALLEL OR MPI CONTROL INTERFACE HI-QUAD PACKAGE 64 PIN HiQUAD-64 ORDERING NUMBER: STLC5445 by a pin strap. Each line can be individually powered and monitored: therefore overload and faults can easily be detected and localized even in a large system.
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