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LCP3121RL Datasheet

  • LCP3121RL

  • OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE - (A...

  • STMicroelectronics   STMicroelectronics

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LCP3121
OVERVOLTAGE AND OVERCURRENT
PROTECTION FOR TELECOM LINE
Application Specific Discretes
A.S.D.
鈩?/div>
FEATURES AND BENEFITS
s
s
s
s
s
UNIDIRECTIONAL OVERVOLTAGE SUP-
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
碌s.
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.
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.
TM: ASD is trademarks of STMicroelectronics.
SO-8
PIN-OUT CONFIGURATION
C
1
8 C
Gn
2
7 A
Gp 3
6
A
C
4
5 C
All cathod pins must be externally connected
FUNCTIONAL DIAGRAM
10/700碌s
5/310碌s
10/700碌s
5/310碌s
1.2/50碌s
1/20碌s
2/10碌s
2/10碌s
2/10碌s
2/10碌s
10/1000碌s
10/1000碌s
6kV
150A
2kV
50A
1.5kV
40A
2.5kV
200A (*)
2.5kV
200A (*)
1kV
100A
A
Gp
Gn
C
1/6
April 2003 - Ed: 4

LCP3121RL 產(chǎn)品屬性

  • 2,500

  • 過電壓，電流，溫度裝置

  • TVS - 其它復(fù)合

  • -

  • -

  • 100V

  • 混合技術(shù)

  • -

  • 1

  • 電信

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SO

  • 帶卷 (TR)

  • 497-3780-2

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