參數(shù)資料
型號(hào): CLP270M-TR
廠商: 意法半導(dǎo)體
英文描述: OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE
中文描述: 過(guò)壓和過(guò)流保護(hù)的電信線路保護(hù)
文件頁(yè)數(shù): 17/24頁(yè)
文件大?。?/td> 368K
代理商: CLP270M-TR
CLP270M
17/24
TEST CIRCUIT FOR I
SWOFF
PARAMETER : GO-NO GO TEST
R
- V
P
V
BAT
- 48 V
=
Surge
generator
D.U.T.
ThisisaGO-NOGOtestwhichallowstoconfirmtheswitch-off(I
SWOFF
)levelinafunctionaltestcircuit.
TEST PROCEDURE :
- Adjust the current level at the I
SWOFF
value by short circuiting the D.U.T.
- Fire the D.U.T. with a surge current : I
PP
= 10A, 10/1000
μ
s.
- The D.U.T. will come back to the OFF-state within a duration of 50ms max.
3
5
7
9
11
13
0.2
0.3
0.5
1
2
Rsense ( )
ISWON (T, Rsense) / ISWON (25°C, 4
)
@-20°C @25°C
@75°C
Fig. 26:
Typical relative variation of switching-on cur-
rent (positive or negative) versus R
SENSE
resistor and
junction temperature (see test condition Fig. 28).
3
5
Rsense ( )
7
9
11
50
100
200
300
500
Iswon @ 25°C (mA)
Iswon min
negative
Iswon max
negative
Iswon min
positive
Iswon max
positive
Fig. 27:
Variation of switching-on current versus
R
SENSE
at 25°C.
TIP
L
TIP
S
GND
Rsense
RING
L
RING
S
±
DUT
R
R
L
I1
48 V
Fig. 28: I
SWON
MEASUREMENT
- Iswon = I1 when the CLP270M switches on (I1 is
progressively increased using R)
- Both TIP and RING sides of the CLP270M are
checked
- R
L
= 10
.
-40
-20
0
20
Tj(°C)
40
60
80
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
ISWOFF [Tj°C] / ISWOFF [25°C]
Fig. 29:
Relative variation of switching-off current
versus junction temperature for R
SENSE
between 3
and 10
.
相關(guān)PDF資料
PDF描述
CLP30-200B1RL OVERVOLTAGE & OVERCURRENT PROTECTION FOR TELECOM LINE
CLP30-200B1 Overvoltage and Overcurrent Protection for Telcom Line(電信裝備的過(guò)壓和過(guò)流保護(hù))
CLT3-4BT6-TR CURRENT LIMITED OVER-VOLTAGE PROTECTED QUAD DIGITAL TERMINATION
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