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STLC5444 Datasheet

Part Name
Description
MFG CO.
STLC5444
ST-Microelectronics
STMicroelectronics ST-Microelectronics
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DESCRIPTION
The ISDN Quad Feeder Power Supply (IQFPS) provides a power source for up to four line interfaces. The power source to the device is a local battery or a centralized regulated power supply.
It can operate in point-to-point and point-to-multipoint configurations as far as S interface is concerned. By the device microprocessor interface, each powered line is individually controlled and monitored.

■ SUPPLIES POWER FOR UP TO FOUR DIGITAL TELEPHONE LINES
■ CONFORMS TO THE CCITT RECOMMENDATIONS FOR POWER FEED AT THE S OR T REFERENCE POINTS
■ SUPPORTS POINT-TO-POINT AND POINT TO MULTIPOINT CONFIGURATIONS
■ EACH OF THE FOUR LINES IS INDIVIDUALLY CONTROLLED
■ HIGH-VOLTAGE BCD TECHNOLOGY SUPPORTING UP TO -130V
■ AUTOMATIC THERMAL SHUTDOWN
■ STATUS CONDITION DETECTION (BY MICROPROCESSOR) FOR EACH LINE:
   – Low output voltage
   – Openloop
   – Current overload
   – Thermal overload
   – Normal line condition
■ PROGRAMMABLE CURRENT LIMITING
■ OUTPUT CURRENT UP TO 120mA

 

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