STLC5445 Datasheet (ST Microelectronics) - QUAD LINE FEED CONTROLLER

STLC5445, QUAD LINE FEED CONTROLLER

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.

A MPI or a simple parallel interface

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

STLC5445 Features

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