CPC75282
1.9 Voltage and Power Specifications
Parameter
Test Conditions
Symbol
Minimum
Typical
Maximum
Unit
Voltage Requirements
V
V
-
-
4.75
-19
5.0
-48
5.25
-72
V
V
DD
DD
1
V
V
BAT
BAT
1
V
is used only for internal protection circuitry. If V rises above-10 V, the device will enter the all-off state and will remain in the all-off
BAT
BAT
state until the battery drops below approximately -15V.
Power Specifications
V
= 5V, V = -48V, V = 2.4V,
BAT IH
DD
V = 0.4V, Measure I and I
DD
IL
BAT
3
Idle/Talk State
-
-
-
-
-
-
15
7.5
20
Power consumption
mW
2
3
P
All-Off State
3
Ringing or Test Access State
= 5V, V = -48V, V = 2.4V,
V
DD
BAT
IH
V = 0.4V
IL
3
Idle/Talk State
All-Off State
-
-
-
3.0
V
V
Current
Current
1.6
mA
DD
3
I
1.5
4.0
0.75
DD
3
Ringing or Test Access State
= 5V, V = -48V, V = 2.4V, V =
1.8/1.5
4
V
DD
BAT
IH
IL
I
-
10
μA
BAT
BAT
0.4V, All States
2
3
Controlled via OFF pins.
x
Combined power or current of both channels, both channels in the same state. Typical values from simulation.
1.10 Protection Circuitry Electrical Specifications
Parameter
Conditions
Symbol
Minimum
Typical
Maximum
Unit
Protection Diode Bridge
Forward Voltage drop,
continuous current
(50/60 Hz)
Apply DC current limit of break
switches
V
-
-
2.1
5
3.0
-
F
V
Forward Voltage drop, Apply dynamic current limit of break
surge current switches
V
F
1
Temperature Shutdown Specifications
Shutdown activation
temperature
T
110
10
125
-
150
25
°C
°C
Not production tested - limits are
guaranteed by design and Quality
Control sampling audits.
TSD_on
Shutdown circuit
hysteresis
T
TSD_off
Loss of Battery Detector Threshold
Loss of Battery
-19
-10
-15
-5
-5
V
Resumption of Battery
=19
1
Temperature shutdown flag (T ) will be high during normal operation and low during temperature shutdown state.
SDx
10
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