STMicroelectronics GS1T70-D540F
ISDN DC-DC CONVERTER FRENCH VERSION
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”)DESCRIPTION
The GS1T70-D540F converter has been designed for the “U” interface of an ISDN-NTBA (Network Termination Basic Access) system with either 4B3T or 2B1Q standard trasmission. It meets the requirements of the following specifications: EN 60950 CCITT I.430 CCITT G.960 CCITT G.961 ETS 300 002 ETS 300 012 ETS 300 047 (ISDN BASIC ACCESS, Safety and Protection) Two isolated outputs, 5V/90mA and 40V/10.5mA are supplied.