
STMicroelectronics
DESCRIPTION
The GS1T70-D540Fconverter has been designed for the “U” interface of an ISDN-NTBA (Network Termination Basic Access) system with either 4B3T or 2B1Q standard trasmission.
FEATURES
Wide operating line termination battery voltage
Peak input overvoltage withstand: 1kV for 1.2/50µs
Peak overvoltage withstand on Output 2 (40V): 250V for 10/700µs
Positive or negative input voltage polarity
Input and output filtering
Short-circuit protection on both outputs
Input power during shortcircuit within specification
Minimum current drain during stand-by condition: 10µA for Vi<18V
Undervoltage lock out at 10V
Input-output isolation voltage: 10 kV pulse 1,2/50 µseconds
Output1-output2isolation voltage: 2000VRMS for 60 seconds
Mechanical dimensions (L x W x H): 56 mm x 56 mm x 18 mm (2.2” x 2.2” x 0.71”)