CLP200M Datasheet, PDF (15/21 Pages) STMicroelectronics – OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE

Fig. 33 : Relative variation of switching-off current
versus RSENSE (between 3 and 10 Ω).
ISWOFF [Rsense] / ISWOFF [4 Ω]
1.6
1.4
1.2
1.0
0.8
0.6
0.4
4
6
8
10
Rsense (Ω)
CLP200M
Fig. 34 : Residual current l1 after the CLP200M.
The residual current l1 is defined by its peak value
(IP) and its duration (τ) @ IP/2 .
Current surge input
waveform(µs)
IPP(A)
5/310 positive surge
130A negative surge
Residual current
after the CLP200M
Peak waveform
current
t(µs)
IP (A)
4.2
1
1.1
0.5
SURGE
GENERATOR
R sense
R = 50 Ohms
-48V
TIPL
TIPS
I1
DUT ^GND
RINGL RINGS
Fig. 35 : Relative variation of switching-on voltage
versus dV/dt with an external resistor of 4 Ω.
VSWON / VREF
1.12
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.1 0.3 1 3 10 30 100 300 1000
dV/dt (V/µs)
Fig. 36 : Relative variation of internal reference
voltage versus junction temperature (ILG=1mA).
VREF [Tj°C] / VREF [25°C]
1.10
1.05
1.00
0.95
0.90
0.85
-40
-20
0
20
40
60
Tj (°C)
15/21
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