CPC75282 Datasheet, PDF (10/19 Pages) Clare, Inc. – Line Card Access Switch

INTEGRATED CIRCUITS DIVISION
PRELIMINARY
CPC75282
1.9 Voltage and Power Specifications
Parameter
Test Conditions
Symbol Minimum Typical Maximum
Unit
Voltage Requirements
V_DD
-
V_DD
4.75
5.0
5.25
V
V_BAT1
-
V_BAT
-19
-48
-72
V
1_{VBAT is used only for internal protection circuitry. If VBAT rises above-10 V, the device will enter the all-off state and will remain in the all-off}
state until the battery drops below approximately -15V.
Power Specifications
V_DD = 5V, V_BAT = -48V, V_IH = 2.4V,
V_IL = 0.4V, Measure I_DD and I_BAT
Power consumption ^{Idle/Talk State}
-
-
15 ³
mW
All-Off State ²
P
-
-
7.5 ³
Ringing or Test Access State
-
-
20 ³
V_DD = 5V, V_BAT = -48V, V_IH = 2.4V,
V_IL = 0.4V
V_DD Current
Idle/Talk State
All-Off State
-
1.6 ³
3.0
mA
I_DD
-
0.75 ³
1.5
Ringing or Test Access State
-
1.8/1.5 ³
4.0
V_BAT Current
V_DD = 5V, V_BAT = -48V, V_IH = 2.4V, V_IL =
0.4V, All States
I_BAT
-
4
10
A
2 _{Controlled via OFFx pins.}
3 _{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_F
-
2.1
3.0
V
Forward Voltage drop, Apply ± dynamic current limit of break
surge current
switches
V_F
-
5
-
Temperature Shutdown Specifications ¹
Shutdown activation
temperature
Not production tested - limits are
T_{TSD_on}
110
125
150
C
guaranteed by design and Quality
Shutdown circuit
hysteresis
Control sampling audits.
T_{TSD_off}
10
-
25
C
Loss of Battery Detector Threshold
Loss of Battery
Resumption of Battery
-19
-10
-5
V
=19
-15
-5
1 _{Temperature shutdown flag (TSDx) will be high during normal operation and low during temperature shutdown state.}
10
PRELIMINARY
R00E