CPC75282
1.7.2 Ringing Return Switch, SW3
Parameter
Test Conditions
(differential) = T to T
RINGING
Symbol
Minimum
Typical
Maximum
Unit
V
SW3
LINE
All-Off state.
+25° C,
V
(differential) = -320V to gnd
-
-
SW
V
(differential) = +260V to -60V
SW
Off-State
Leakage Current
+85° C,
V
(differential) = -330V to gnd
I
-
1
μA
SW
SW
V
(differential) = +270V to -60V
SW
-40° C,
V
(differential) = -310V to gnd
-
SW
V
(differential) = +250V to -60V
SW
I
(on) = 0mA, 10mA, +25°C
(on) = 0mA, 10mA, +85°C
(on) = 0mA, 10mA, -40°C
60
-
SW
I
I
R
On Resistance
-
100
Ω
85
45
-
SW
SW
ON
-
Maximum Differential Voltage (V
)
-
320
max
1
Foldback Voltage Breakpoint 1 (V )
1
ΔV
200
-
-
-
V
ON-State Voltage
ON
Foldback Voltage Breakpoint 2 (V )
2
V + 0.5
1
-
V
(on) = 10V, +25°C
-
70
-
135
85
210
-
SW
DC current limit 1 (I ) V (on) = 10V, +85°C
-
LIM1
SW
SW
I
mA
A
SW
V
(on) = 10V, -40°C
DC current limit 2 (I
)
1
-
-
LIM2
Ringing switches on, all other switches
off. Apply 1kV 10x1000 μs pulse with
appropriate protection in place.
Dynamic current limit
(t = <0.5 μs)
I
-
2.5
SW
+25°C, OFF = 0,
x
-
-
V (T , T ) = 320V
SW RINGING LINE
+85°C, OFF = 0,
Logic Input to Switch
Output Isolation
x
I
-
1
-
μA
SW
V (T , T ) = 330V
SW RINGING LINE
-40°C, OFF = 0,
x
-
V (T , T ) = 310V
SW RINGING LINE
2
-
dV/dt
1500
2100
V/μs
Transient Immunity
1
This parameter is not tested in production. Choice of secondary protector should ensure this rating is not exceeded.
2
Applied voltage is 100V square wave at 100Hz.
P-P
6
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