TSI220B1 datasheet(1/9 Pages) STMICROELECTRONICS

Part #	TSI220B1

Description	TERMINAL SET INTERFACE PROTECTION AND DIODE BRIDGE

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1/9

TSIxxB1

®

Telecom equipment requiring combined

protection against transient overvoltages and

rectification by diode bridge :

s

Telephone set

s

Base station for cordless set

s

Fax machine

s

Modem

s

Caller Id equipment

s

Set top box

MAIN APPLICATION

SO-8

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 SO-8 package,

this ASD™ device allows space saving on the

board and greater reliability.

DESCRIPTION

CCITT K17 - K20

10/700

µs

1.5 kV

5/310

µs

38A

VDE 0433

10/700

µs2 kV

5/310

µs

40A(*)

CNET

0.5/700

µs

1.5 kV

0.2/310

µs

38A

Bellcore

TR-NWT-000974:

10/1000

µs1 kV

10/1000

µs

30A(*)

FCC Part 68

2/10

µs

2.5 kV

2/10

µs

75A (*)

MIL STD883C Method 3015-6

(*) with series resistor or PTC.

IN ACCORDANCE WITH THE FOLLOWING

STANDARDS :

2

3

1

4

7

6

8

5

SCHEMATIC DIAGRAM

TERMINAL SET INTERFACE

PROTECTION AND DIODE BRIDGE

October 2003 - Ed: 4

s

Diode bridge for polarity guard and crowbar

protection within one device.

s

Single chip for greater reliability

s

Reduces component count versus discrete

solution

s

Saves space on the board

BENEFITS

s

STAND-OFF VOLTAGE FROM 62V TO 265V

s

PEAK PULSE CURRENT : 30 A (10/1000

µs)

s

MAXIMUM DC CURRENT : IF = 0.2 A

s

HOLDING CURRENT :150 mA

FEATURES

Application Specific Discretes

A.S.D.™

TM: ASD is trademarks of STMicroelectronics.

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