STLC5444 Datasheet - ST Microelectronics

STLC5444 QUAD FEEDER POWER SUPPLY

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 .

STLC5444 QUAD FEEDER POWER SUPPLY 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 .

STLC5444_STMicroelectronics.pdf