peb2025 ETC-unknow, peb2025 Datasheet - Page 8

• Manufacturer Part Number: peb2025
• Description: Isdn Exchange Power Controller
• Manufacturer: ETC-unknow

During the first timestep (
the current will be limited. Within the next timestep ( till
to
driver. After
becomes active again and will be prepared for detection of further overload conditions.
Timestep
the AC characteristics.
t
Note:
If aFi has been switched off due to the time dependent current limiting circuit while
an ON command has no effect. To turn on the line driver
C
Semiconductor Group
Figure 4
Diagram of the Transient Permitted Overload (TPO) State
OFF3
Ti
I
– by an OFF command
– if
– in non-automatic restart mode if the line driver has been switched off due to an overload
will be discharged:
max
and
condition.
, otherwise the line driver turns off. After
t
OFF4
t
t
OFF4
OFF1
t
t
OFF4
is reached
OFF3
depend on
is defined by charging the capacitor
, if no turn off of the line driver has occured, the current limiting characteristics
15
t
t
OFF1
OFF1
t
OFF1
) since overload of the negative wire aFi was detected (
:
t
OFF4
t
OFF3
8
=
any current above
C
t
AR
T
t
with the current
OFF3
C
50
Ti
) the current must drop from 1.5
has to be discharged.
t
OFF1
I
max
I
CLC
results turn off the line
which is specified in
C
PEB 2025
Ti
I
is charged,
aFi
I
max
I
max
),