TSI62B1

® TSIxxB1 TERMINAL SET INTERFACE PROTECTION AND DIODE BRIDGE Application Specific Discretes A.S.D.™ MAIN APPLICATION Telecom equipment requiring combined protection against transient overvoltages and rectification by diode bridge : Telephone set Base station for cordless set Fax machine Modem Caller Id equipment Set top box DESCRIPTION The TSIxxB1 provides the diode bridge and the crowbar protection function that can be found in most of telecom terminal equipment. Integrated monolithically within a SO8 package, this ASD™ device allows space saving on the board and greater reliability. FEATURES STAND-OFF VOLTAGE FROM 62V TO 265V PEAK PULSE CURRENT : 30 A (10/1000 µs) MAXIMUM DC CURRENT : IF = 0.2 A HOLDING CURRENT :150 mA IN ACCORDANCE WITH THE FOLLOWING STANDARDS : CCITT K17 - K20 VDE 0433 CNET Bellcore TR-NWT-000974: 10/700 5/310 10/700 5/310 0.5/700 0.2/310 µs µs µs µs µs µs 1.5 kV 38A 2 kV 40A(*) 1.5 kV 38A 1 kV 30A(*) 2.5 kV 75A (*) SO8 SCHEMATIC DIAGRAM 1 2 3 4 BENEFITS 8 7 6 5 10/1000 µs 10/1000 µs FCC Part 68 2/10 µs 2/10 µs MIL STD883C Method 3015-6 (*) with series resistor or PTC. Diode bridge for polarity guard and crowbar protection within one device. Single chip for greater reliability Reduces component count versus discrete solution Saves space on the board TM: ASD is trademarks of SGS-THOMSON Microelectronics. January 1998 - Ed: 3 1/9 TSIxxB1 TYPICAL APPLICATION PTC Telecom terminals have a diode bridge for polarity guard, located at the line inter...