
4
TABLE 2. RING RETURN SWITCH - ISL5571A - SW3
PARAMETER
TEST CONDITION
MEASURE
MIN
TYP
MAX
UNIT
S
OFF-State Leakage Current:
-40
o
C
25
o
C
85
o
C
V
SWITCH (DIFFERENTIAL)
= -310V to GND
V
SWITCH (DIFFERENTIAL)
= -60V to +250V
V
SWITCH (DIFFERENTIAL)
= -320V to GND
V
SWITCH (DIFFERENTIAL)
= -60V to +260V
V
SWITCH (DIFFERENTIAL)
= -330V to GND
V
SWITCH (DIFFERENTIAL)
= -60V to +270V
I
SWITCH
I
SWITCH
I
SWITCH
-
-
-
-
-
-
1
1
1
μ
A
μ
A
μ
A
DC Current Limit
-40
o
C
25
o
C
85
o
C
V
SWITCH (ON)
V
SWITCH (ON)
V
SWITCH (ON)
I
SWITCH
I
SWITCH
I
SWITCH
I
SWITCH
-
-
-
350
-
-
mA
mA
mA
200
-
120
Dynamic Current Limit
(t = <0.5
μ
s)
Break Switches in OFF-State; Ringing Access Switches ON;
Apply
±
1000V at 10/1000
μ
s Pulse; Appropriate External
Secondary Protection in Place
-
1.5
2.0
A
ON-Resistance
T
LINE
= 0,
±
10mA
Ring Return Switch in ON-State; I
switch
= I
LIMIT
at 50/60Hz
V
ON
V
ON
-
-
100
ON-State Voltage (Note 4)
-
-
130
V
Peak
Isolation:
-40
o
C
25
o
C
85
o
C
V
SWITCH
(Both Poles) =
±
310V
Logic Inputs = GND
V
SWITCH
(Both Poles) =
±
320V
Logic Inputs = GND
V
SWITCH
(Both Poles) =
±
330V
Logic Inputs = GND
I
SWITCH
I
SWITCH
I
SWITCH
-
-
-
-
-
-
1
1
1
μ
A
μ
A
μ
A
dV/dt Sensitivity (Note 5)
-
5000
-
V/
μ
s
NOTES:
4. Choice of secondary protection should ensure this rating is not exceeded.
5. Applied voltage is 100V
P-P
square wave at 100Hz.
TABLE 3. RING ACCESS SWITCH
-
ISL5571A - SW4
PARAMETER
TEST CONDITION
MEASURE
MIN
TYP
MAX
UNITS
OFF-State Leakage Current:
-40
o
C
25
o
C
85
o
C
V
SWITCH (DIFFERENTIAL)
= -245V to +210V
V
SWITCH (DIFFERENTIAL)
= +245V to -210V
V
SWITCH (DIFFERENTIAL)
= -255V to +210V
V
SWITCH (DIFFERENTIAL)
= +255V to -210V
V
SWITCH (DIFFERENTIAL)
= -270V to +210V
V
SWITCH (DIFFERENTIAL)
= +270V to -210V
I
SWITCH (ON)
=
±
70mA,
±
80mA
I
SWITCH
(ON) =
±
1mA
V
CC
= 5V, Ring Access Switches On, All Other
Switches Off
I
SWITCH
I
SWITCH
I
SWITCH
-
-
-
-
-
-
1
1
1
μ
A
μ
A
μ
A
ON-Resistance
ON Voltage
Ring Access Switch Quiescent
Current During Ringing
Steady State Current (Note 7)
Surge Current (Note 7)
Release Current
Isolation:
-40
o
C
V
ON
V
ON
I
RING QUIESCENT
(Note 6)
-
-
-
-
-
12
3
-
V
mA
2.0
-
-
-
-
-
150
2
1000
mA
A
μ
A
Ring Access Switch On, Time Duration = 100
μ
s
200
25
o
C
85
o
C
V
SWITCH
(Both Poles) =
±
310V
Logic Inputs = GND
V
SWITCH
(Both Poles) =
±
320V
Logic Inputs = GND
V
SWITCH
(Both Poles) =
±
330V
Logic Inputs = GND
I
SWITCH
I
SWITCH
I
SWITCH
-
-
-
-
-
-
1
1
1
μ
A
μ
A
μ
A
dV/dt Sensitivity (Note 8)
NOTES:
6. Magnitude of the ring generator current not supplied to the ring load. I
RING QUIESCENT
= I
RING GEN
- I
RING LOAD
.
7. Choice of secondary protector and series current-limit resistor should ensure these ratings are not exceeded.
8. Applied voltage is 100V
P-P
square wave at 100Hz.
-
5000
-
V/
μ
s
ISL5571A