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TPI

更新时间： 2024-11-06 14:57:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		综合业务数字网
页数	文件大小	规格书
9页	189K
描述
ISDN接口的三极保护

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中文翻译

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数据手册

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TPI 数据手册

TPI

Tripolar protection for ISDN interfaces

Features

■ Bidirectional triple crowbar protection

■ Peak pulse current:

_PP= 30 A , 10/1000 µs

SO-8

■ Breakdown voltage:

– TPI80N: 80 V

– TPI120N: 120 V

Complies with following standards

■ Available in SO-8 package

■ CCITT K17-K20

– 10/700 µs, 1.5 kV

– 5/310 µs, 38 A

■ Low dynamic breakover voltage:

– TPI8011N: 120 V

– TPI12011N: 170 V

■ VDE 0433

– 10/700 µs, 2 kV

– 5/310 µs, 50 A

Benefits

■ Low capacitance from lines to ground, allowing

high speed transmission without signal

attenuation

■ VDE 0878

– 1.2/50 µs, 1.5 kV

– 1/20 µs, 40 A

■ Good capacitance balance between lines to

■ IEC 61000-4-2 level 4

– 0.5/700 µs, 1.5 kV

– 0.2/310 µs, 38 A

ensure longitudinal balance

■ Fixed breakdown voltage in both common and

differential modes

■ The same surge current capability in both

Description

common and differential modes

■ A particular attention has been given to the

internal wire bonding. The “4-point”

Dedicated devices for ISDN interface and high

speed data telecom line protection. Equivalent to

a triple Trisil™ with low capacitance.

configuration ensures a reliable protection,

eliminating overvoltages introduced by the

parasitic inductances of the wiring (Ld_I/dt),

especially for very fast transient overvoltages

Figure 1.

Functional diagram

Tip

GND

Ring

GND

Ring

TM: Trisil is a trademark of STMicroelectronics

November 2007

Rev 5

1/9

www.st.com

12 3 4 5 6 7...9

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