CPC7591
1.6.3 Ringing Switch, SW4
Parameter
Test Conditions
(differential) = R to R
RINGING
Symbol
Minimum
Typical
Maximum
Unit
V
SW4
LINE
All-Off state.
+25° C
V
(differential) = -255 V to +210 V
0.05
0.1
SW
V
(differential) = +255 V to -210 V
SW
Off-State
Leakage Current
+85° C
V
(differential) = -270 V to +210 V
I
-
1
μA
SW
SW
V
(differential) = +270 V to -210 V
SW
-40° C
V
(differential) = -245 V to +210 V
0.05
SW
V
(differential) = +245 V to -210 V
SW
I
(on) = 70 mA, 80 mA
(on) = 1 mA
R
On Resistance
On Voltage
-
-
10
15
3
Ω
SW
ON
I
V
1.5
V
SW
ON
On-State
Leakage Current
Inputs set for ringing -Measure ringing
generator current to ground.
I
-
-
0.1
-
0.25
150
mA
mA
RINGING
I
Steady-State Current* Inputs set for ringing mode.
Ringing switches on, all other switches
SW
I
Surge Current*
off. Apply 1 kV 10x1000 μs pulse with
appropriate protection in place.
-
-
-
2
-
A
SW
I
Release Current
SW4 transition from on to off.
Logic inputs = GND
300
μA
RINGING
+25° C, V (R
, R ) = 320V
0.1
0.3
0.1
SW RINGING LINE
Logic input to switch
output isolation
+85° C, V (R
-40° CV (R
, R ) = 330V
I
-
-
1
-
μA
SW RINGING LINE
SW
, R ) = 310 V
SW RINGING LINE
100VPP Square Wave, 100Hz
(Not production tested - limits are
guaranteed by design and quality
control sampling audits.)
dv/dt sensitivity
-
500
V/μs
*Secondary protection and current limiting must prevent exceeding this parameter.
R05
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