CPC7581 Datasheet, PDF (6/12 Pages) Clare, Inc. – Line Card Access Switch

CPC7581
Table 7. Electrical Specifications, Protection Circuitry
PARAMETER
CONDITIONS
Parameters Related to Diodes
(in Diode Bridge)
Voltage Drop @ Continuous
Current (50/60 Hz)
Apply +/-dc current limit of break
switches
Voltage Drop @ Surge
Current
Apply +/-dynamic current limit of
break switches
Parameters Related to
Protection SCR¹
Surge Current
-
Trigger Current (+25˚C)
-
Hold Current (+25˚C)
-
Trigger Current (+85˚C)
-
Hold Current (+85˚C)
Gate Trigger Voltage
Trigger Current
Reverse Leakage Current
ON State Voltage¹
V_BAT
0.5A t = 0.5 ms
2.0A t = 0.5 ms
1 _{Only for the CPC7581BA.}
* Passes GR1089 & ITU-T K.20 with appropriate secondary protection in place.
SYMBOL
Forward
Voltage
Forward
Voltage
-
I_TRIG
I_HOLD
I_TRIG
I_HOLD
-
-
V_on
-
MIN
TYP
MAX
UNITS
-
2.1
3
V
-
5
-
V
-
-
*
A
-
60
-
mA
-
100
-
mA
-
35
-
mA
60
70
-
mA
V_BAT - 4
-
-
-
V_BAT - 2
V
1.0
µA
-
-3
-
V
-
-5
-
V
Table 8. Truth Table
Input
TSD
Tip Break
Ring
Ringing
Switch
Break
Return
Switch
Switch
0V
5V/Float¹
On
On
Off
5V
5V/Float¹
Off
Off
On
Don’t
0V²
Off
Care
Off
Off
1 _{Thermal shutdown mechanism is active with TSD floating or equal to 5V and cannot be disabled.}
2 _{Forcing TSD to ground overrides the logic input pins and forces an all off state.}
Ring
Switch
Off
On
Off
State
Idle/Talk
Ringing
All Off
6
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Rev. 2