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TPI12011N-TPI8011N
TRIPOLAR PROTECTION FOR ISDN INTERFACES
Application Specific Discretes
A.S.D.™
TPI8011N
TPI12011N
SCHEMATIC DIAGRAM BIDIRECTIONAL TRIPLE CROWBAR
PROTECTION. PEAK PULSE CURRENT:
IPP=30A, 10/1000μs. BREAKDOWN VOLTAGE:
TPI80xxN: 80V
TPI120xxN: 120V. AVAILABLEIN SO-8 PACKAGES. LOW DYNAMIC BREAKOVER VOLTAGE:
TPI80N: 150V
TPI120: 200V
FEATURESDedicated devicesfor ISDN interface and high
speed data telecomline protection. Equivalentto triple TRISIL withlow capacitance.
These devices provide: low capacitance from linesto ground, allowing
high speed transmission without signal
attenuation. good capacitance balance between linesin
orderto ensure longitudinal balance. fixed breakdown voltagein both common and
differential modes. the same surge current capabilityin both
common and differential modes.A particular attention has been givento the
internal wire bonding. The “4-point”
configuration ensuresa reliable protection,
eliminating overvoltages introduced by the
parasitic inductancesof the wiring (Ldi/dt),
especiallyfor very fast transient overvoltages.
DESCRIPTIONCCITT K17- K20 10/700μs 1.5 kV
5/310 μs38A
VDE 0433 10/700 μs2 kV
5/310 μs50A
VDE 0878 1.2/50μs 1.5 kV
1/20 μs40A
CNET 0.5/700μs 1.5 kV
0.2/310 μs38A
COMPLIES WITH THE FOLLOWING STANDARDS:TRIPOLAR PROTECTION
FOR ISDN INTERFACES
TM:ASDisa trademarkof STMicroelectronics.
TPI8011N/TPI12011N
THERMAL RESISTANCES100 tr p t
ABSOLUTE MAXIMUM RATINGS (Tamb =25°C)
Note1: Pulse waveform:
10/1000μstr=10μstp=1000μs
5/310μstr=5μstp=310μs
2/10μstr=2μstp=10μs
TPI8011N/TPI12011N
ELECTRICAL CHARACTERISTICS (Tamb =25°C)
Note1:Seethe referencetest circuit1.
Note2: Surgetest accordingto CCITT 1.5kV,10/700μs betweenTipor Ringand ground.
Note3:See functional holding currenttest circuit2.
CAPACITANCES CHARACTERISTICS
TPI8011N/TPI12011N
REFERENCE TEST CIRCUIT1:
FUNCTIONAL HOLDING CURRENT(IH) TEST CIRCUIT2:
TPI8011N/TPI12011N1E-2 1E-1 1E+0 1E+1 1E+2 1E+3
(A)TSM
Fig.1: Surge peak current versus overload duration.
APPLICATION NOTE.-U INTERFACE PROTECTION
APPLICATION CIRCUITS:-S INTERFACE PROTECTIONThis component usesan intemal structure resultingin symetrical characteristics witha good balanced
behaviour.Its topology ensuresthe same breakdown voltage levelfor positive and negative surgesin
differential and common mode.
TPI8011N/TPI12011N
ORDER CODE
MARKING
SO-8 Plastic
CONNECTION DIAGRAM
