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CLP200M Datasheet(PDF) 11 Page - STMicroelectronics

No. de Pieza. CLP200M
Descripción  OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE
Descarga  21 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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CLP200M Datasheet(HTML) 11 Page - STMicroelectronics

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Fig. 22 : CLP200M response to a positive surge.
Fig. 23 : CLP200 M response to a negative surge.
Fig. 24 : Power induction test.
4
TIPL
TIPS
GND
1/2 CLP200M
I
V1
50
I2
SLIC
LCP1511D
-48V
V2
1
Rsense
Rp
V(RMS)
50 Hz
TEST
V(RMS)
R(
Ω)
Duration
3a
300
600
0.2s
3b
300
200
?
Fig. 25 : Induction test behavior (Test 3a).
Figures 22 and 23 give the voltage and current be-
havior during positive and negative 4kV, 10/700
µs,
surge tests using a LCP1511D as second stage
protection device. The firing threshold values are
now adjusted to GND and to -Vbat (-48V) by the
action of the second stage protection which acts as
an external voltage reference.
As shown on these figures, the maximum remain-
ing voltage does not exceed +2.5V for positive
surges and -60V for negative surges.
Consequently,the CLP200M totally fulfills this test.
3.3.2 Power induction test
(Test 3a and 3b, table 2/K20)
Figures 25 and 26 show that the maximum remain-
ing voltage does not exceed +2V for positive
surges and -55V for negative surges.
Consequently,the CLP200M totally fulfills this test.
The test duration is not specified in test 3b. If the
duration exceeds 5s we do suggest to follow the
soldering and mounting recommendations given
on page 17 of this document.
®
CLP200M
11/21


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