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LCP1521 Datasheet(PDF) 5 Page - STMicroelectronics

Part # LCP1521
Description  PROGRAMMABLE TRANSIENT VOLTAGE SUPPRESSOR FOR SLIC PROTECTION
PDF  9 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LCP1521 Datasheet(HTML) 5 Page - STMicroelectronics

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Pulse (
µs)
Vp
C1
C2
LR1
R2
R3
R4
IPP
Rp
tr
tp
(V)
(
µF)
(nF)
(
µH)
(
Ω)(Ω)(Ω)(Ω)(A)
(
Ω)
10
700
1500
20
200
0
50
15
25
25
30
10
1.2
50
1500
1
33
0
76
13
25
25
30
10
2
10
2500
10
0
1.1
1.3
0
3
3
38
62
This is a GO-NO GO test which allows to confirm the holding current (IH) level in a functional test circuit.
TEST PROCEDURE :
- Adjust the current level at the IH value by short circuiting the D.U.T.
- Fire the D.U.T. with a surge current : IPP = 10A, 10/1000
µs.
- The D.U.T. will come back to the off-state within a duration of 50ms max.
R
-VP
V
BAT
- 100 V
=
Surge generator
D.U.T.
FUNCTIONAL HOLDING CURRENT (IH) TEST CIRCUIT : GO-NO GO TEST
CC
R
R
TIP
RING
GND
VP
4
3
2
R 2
R1
(V is defined in unload condition)
P
L
1
TEST CIRCUIT FOR VFP AND VDGL PARAMETERS
LCP1521
5/9



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