ITA6V5C1 查看數據表（PDF） - STMicroelectronics

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ITA6V5C1

MONOLITHIC TRANSIL® ARRAY FOR DATA LINE PROTECTION

STMicroelectronics 

ITA6V5C1/ ITA10C1 / ITA18C1 / ITA25C1

APPLICATION NOTICE

Types

ITA6V5C1

ITA10C1

ITA18C1

ITA25C1

Maximum differential voltage between two input pins at 25°C

V

6.5

10

18

25

INSTRUCTION GUIDE

This monolithic Transil Array is based on 6 Unidirectional Transils with a common cathode and can be con-

figurated to offer 4 or 5 bidirectional functions, according to the following customer application.

Fig 5 : EQUIVALENT TO 4 BIDIRECTIONAL TRANSILS

T1

I/O1 1

I/O2 2

I/O3 3

I/O4 4

T2

8 GND

7

6

T3

5 GND

UTILIZATION AS A BIDIRECTIONAL TRANSIL

ARRAY WITH 4 I/Os.

The main applicationof this device is to be configu-

rated as a 4, bidirectional Transil Array as per the

Pin-out of Fig 5.

Pins 5 and 8 are connected to ground.

INPUTS/OUTPUTS are from Pin 1 to Pin 4.

Note : Thebidirectional functionis made with 2 uni-

directional Transils. One (T1) is connected to the

INPUT/OUTPUT, the other one (T2) is connected

to the ground (see Fig 5).

Ground is connected via 2 diodes T2 and T3 .

This allows to withstand 2 specified surges on 2 dif-

ferent lines at the same time.

Fig 6 : EQUIVALENT TO 5 BIDIRECTIONAL TRANSILS

T1

I/O1 1

I/O2 2

I/O3 3

I/O4 4

T2

8 GND

7

6

5 I/O5

UTILIZATION AS A BIDIRECTIONAL TRANSIL

ARRAY WITH 5 I/Os.

The ITAxxC1 can be used as a 5 bidirectional

Transil Array.

Ground can be connected to any pin (except 6 and

7).

The other pins are used as INPUTS and OUT-

PUTS.

The bidirectional function is made with 2 unidirec-

tional Transils T1 and T2. One example with

ground on Pin 8 is shown in Fig 6.

This configuration allows to withstand only one

specified surge at the same time.

4/5

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