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TSI200B1

TERMINAL SET INTERFACE PROTECTION AND DIODE BRIDGE

STMicroelectronics 

®

Application Specific Discretes

A.S.D.™

TSIxxB1

TERMINAL SET INTERFACE

PROTECTION AND DIODE BRIDGE

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 10/700 µs

5/310 µs

1.5 kV

38A

VDE 0433

10/700 µs

2 kV

5/310 µs

40A(*)

CNET

0.5/700 µs

1.5 kV

0.2/310 µs

38A

Bellcore

TR-NWT-000974: 10/1000 µs

10/1000 µs

1 kV

30A(*)

FCC Part 68

2/10 µs

2/10 µs

2.5 kV

75A (*)

MIL STD883C Method 3015-6

(*) with series resistor or PTC.

TM: ASD is trademarks of SGS-THOMSON Microelectronics.

January 1998 - Ed: 3

SO8

SCHEMATIC DIAGRAM

1

8

2

7

3

6

4

5

BENEFITS

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

1/9

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