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CPC7592 Datasheet, PDF (6/19 Pages) Clare, Inc. – Line Card Access Switch | |||
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INTEGRATED CIRCUITS DIVISION
CPC7592
1.6.3 Ringing Switch, SW4
Parameter
Test Conditions
Symbol Minimum Typical Maximum
Unit
VSW4 (differential) = RLINE to RRINGING
All-Off state.
+25ï° C
VSW (differential) = -255 V to +210 V
VSW (differential) = +255 V to -210 V
Off-State
Leakage Current
+85ï° C
VSW (differential) = -270 V to +210 V
ISW
-
VSW (differential) = +270 V to -210 V
-40ï° C
VSW (differential) = -245 V to +210 V
VSW (differential) = +245 V to -210 V
On Resistance
ISW (on) = ±70 mA, ±80 mA
RON
-
On Voltage
ISW (on) = ± 1 mA
VON
-
On-State
Leakage Current
Inputs set for ringing -Measure ringing
generator current to ground.
IRINGING
-
0.05
0.1
1
ïA
0.05
10
15
ï
1.5
3
V
0.1
0.25
mA
Steady-State Current* Inputs set for ringing mode.
ISW
-
Ringing switches on, all other switches
Surge Current*
off. Apply ±1 kV 10x1000 ïs pulse with
ISW
-
appropriate protection in place.
-
150
mA
-
2
A
Release Current
SW4 transition from on to off.
IRINGING
-
300
-
ïA
+25ï° C, Logic inputs = gnd,
VSW (RRINGING, RLINE) = ±320 V
0.1
Logic input to switch
output isolation
+85ï° C, Logic inputs = gnd,
VSW (RRINGING, RLINE) = ±330 V
ISW
-
0.3
1
ïA
-40ï° C, Logic inputs = gnd,
VSW (RRINGING, RLINE) = ±310 V
0.1
dV/dt sensitivity
-
-
-
500
-
V/ïs
*Secondary protection and current limiting must prevent exceeding this parameter.
6
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R04
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