CLP270M datasheet(18/24 Pages) STMICROELECTRONICS

Teilenummer	CLP270M

Bauteilbeschribung	OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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CLP270M

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0.4

0.6

0.8

1.0

1.2

1.4

1.6

Rsense ( )

Ω

ISWOFF [Rsense] / ISWOFF [4

Ω]

Fig. 30: Relative variation of switching-off current

versus RSENSE (between 3 and 10

Ω).

Fig. 31: Residual current l1 after the CLP270M.

The residual current l1 is defined by its peak value

(IP) and its duration (

τ)@IP/2 (see below circuit

test).

Current surge input

Residual current

after the CLP270M

waveform(

µs)

IPP(A)

Peak cur-

rent

IP (A)

waveform

µs)

5/310

130A

positive surge

negative surge

4.2

1.1

0.5

TIPL

TIPS

GND

R sense

RINGL

RINGS

DUT

R = 50 Ohms

SURGE

GENERATOR

-48V

100

200

500

1,000

0.95

1.05

1.1

1.15

1.2

Vswon/Vref

dV/dt(V/us)

Fig. 32: Relative variation of switching-on voltage

versus dV/dt with an external resistor of 4

Ω.

-40

-20

0.85

0.90

0.95

1.00

1.05

1.10

Tj (°C)

VREF [Tj°C] / V

[25°C]

REF

Fig. 33: Relative variation of internal reference

voltage versus junction temperature (ILG=1mA).

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