CPC7595 Datasheet, PDF (13/25 Pages) Clare, Inc. – Line Card Access Switch

CPC7595
1.8 Voltage and Power Specifications
Parameter
Test Conditions
Symbol Minimum Typical Maximum
Unit
Voltage Requirements
V_DD
-
V_DD
4.5
5.0
5.5
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 -15 V
Power Specifications
V_DD = 5 V, V_BAT = -48 V, V_IH = 2.4V,
y ^{Power consumption}
V_IL = 0.4V, Measure I_DD and I_BAT,
Talk and All-Off States
P
-
4.7
10.5
r All other states
P
-
5.2
10.5
V_DD current in talk and
a all-off states
V_DD = 5 V, V_BAT = -48 V, V_IH = 2.4V,
I_DD
-
0.9
2.0
V_DD current in all other ^V_IL ^{= 0.4V}
in ^states
I_DD
-
1.0
2.0
V_BAT
current in
any
state
V_DD = 5V, V_BAT
V_IL = 0.4V
=
-48
V,
V_IH
=
2.4V,
I_BAT
-
4
10
lim ^{1.9 Protection Circuitry Electrical Specifications}
Parameter
Conditions
Protection Diode Bridge
e _{Forward Voltage drop,}
continuous current
r _{(50/60 Hz)}
Apply ± dc current limit of break
switches
Forward Voltage drop, Apply ± dynamic current limit of break
P surge current
switches
Symbol
V_F
V_F
Minimum
-
-
Typical
2.8
5
Maximum
3.5
-
mW
mW
mA
μA
Unit
V
Optional Protection SCR
Surge current
-
-
-
-
*
A
Trigger current:
SCR activates, +25° C
Current into V_BAT pin. _{SCR activates, +85° C}
I_TRIG
-
150
80
-
mA
Hold current: Current ^{SCR remains active, +25° C}
through protection SCR _{SCR remains active, +85° C}
-
220
I_HOLD
110
145
-
mA
Gate trigger voltage I_GATE = I_TRIGGER§
V_TBAT or
V_RBAT
V_BAT -4
-
V_BAT -2
V
Reverse leakage current V_BAT = -48 V
I_VBAT
-
-
1.0
μA
On-state voltage
0.5 A, t = 0.5 μs
2.0 A, t = 0.5 μs
V_TBAT or
V_RBAT
-
-3
-5
-
V
Temperature Shutdown Specifications
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
*Passes GR1089 and ITU-T K.20 with appropriate secondary protection in place.
§_{VBAT must be capable of sourcing ITRIGGER for the internal SCR to activate.}
R00B
www.clare.com
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