LCP3121SRL STMicroelectronics, LCP3121SRL Datasheet

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LCP3121SRL

Manufacturer Part Number
LCP3121SRL
Description
Manufacturer
STMicroelectronics
Datasheet

Specifications of LCP3121SRL

Lead Free Status / RoHS Status
Compliant

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FEATURES AND BENEFITS
DESCRIPTION
Dedicated to the protection of sensitive telecom
equipment, the LCP3121 provides protection
which can be programmed by both voltage and
current.
The breakdown voltage can be easily programmed
by using an external zener diode.
The protection function programmed by the
current is achieved with the use of a resistor
between the gate and the cathode. The value of
the resistor will determine the level of the desired
current before the triggering of the device.
A multiple protection mode is also performed when
using several diodes providing each line interface
with an optimized protection level.
If desired, a bidirectional protection function can
be achieved by the use of two LCP3121.
TM: ASD is trademarks of STMicroelectronics.
COMPLIES WITH THE FOLLOWING STANDARDS :
CCITT K20 :
VDE 0433 :
VDE 0878 :
FCC part 68 :
BELLCORE
TR-NWT-001089 :
BELLCORE
TR-NWT-000974 :
(*) with series resistors or PTC.
April 2003 - Ed: 4
Application Specific Discretes
UNIDIRECTIONAL
PRESSOR PROGRAMMABLE BY VOLTAGE
AND CURRENT:
PROGRAMMABLE BREAKDOWN VOLTAGE
UP TO 100 V.
PROGRAMMABLE CURRENT LIMITATION
FROM 120 mA TO 600 mA.
MULTI-LINE PROTECTION MODE : ONE DE-
VICE CAN PROTECT SEVERAL LINES.
HIGH SURGE CURRENT CAPABILITY :
I
PP
= 100A for 10/1000 s.
®
A.S.D.
OVERVOLTAGE
10/700 s
5/310 s
10/700 s
5/310 s
1.2/50 s
1/20 s
2/10 s
2/10 s
2/10 s
2/10 s
10/1000 s
10/1000 s
6kV
150A
2kV
50A
1.5kV
40A
2.5kV
200A (*)
2.5kV
200A (*)
1kV
100A
SUP-
OVERVOLTAGE AND OVERCURRENT
PROTECTION FOR TELECOM LINE
PIN-OUT CONFIGURATION
FUNCTIONAL DIAGRAM
All cathod pins must be externally connected
C
C
Gn
Gp
1
3
4
2
Gn
A
C
SO-8
LCP3121
Gp
7
6
5
8
C
C
A
A
1/6

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LCP3121SRL Summary of contents

Page 1

... VDE 0878 : 1.2/50 s 1/20 s FCC part 68 : 2/10 s 2/10 s BELLCORE TR-NWT-001089 : 2/10 s 2/10 s BELLCORE TR-NWT-000974 : 10/1000 s 10/1000 s (*) with series resistors or PTC. TM: ASD is trademarks of STMicroelectronics. April 2003 - Ed: 4 OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE SUP- PIN-OUT CONFIGURATION All cathod pins must be externally connected ...

Page 2

LCP3121 ABSOLUTE MAXIMUM RATINGS ( T Symbol I Peak pulse current (see note Non repetitive surge peak on-state current TSM ( Hz) V Maximum voltage between A and Maximum voltage between G ...

Page 3

OPERATION WITHOUT GATE (T Sym- bol 60V 90V 180V 1mA Measured at 50Hz BO I See the functional test ...

Page 4

LCP3121 FUNCTIONAL HOLDING CURRENT ( -48 V BAT This is a GO-NO GO test which allows to confirm the holding current (I TEST PROCEDURE : - Adjust the current level at the I - Fire the D.U.T. with ...

Page 5

APPLICATION EXAMPLES Application 1: Common protection for SLIC without integrated ring generator 4*SMBYW01-200 4*SMBYW01-200 Gn C LCP3121 Application 3: Typical SLIC protection LCP3121 4*SMBYW01-200 -Vbat Application 2: Common protection for SLIC with integrated ring generator -Vbat TIP ...

Page 6

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. ...

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