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Signal-Line Overvoltage Protector
for Low-Voltage Devices
ABSOLUTE MAXIMUM RATINGS
(All voltages with respect to GND.)
V CC ...........................................................................-0.3V to +6V
INT ............................................................................-0.3V to +6V
EXT .........................................................................-0.3V to +30V
Continuous Input Current into Any Terminal.....................±20mA
Continuous Power Dissipation (T A = +70°C)
5-Pin SC70 (derate 3.1mW/°C above +70°C) ..............245mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V CC = +3.3V, R INT_PULLUP = 2k Ω to V DD , V DD = 3.3V, T A = T MIN to T MAX , unless otherwise noted. Typical values are at
T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY
Power-Supply Voltage
V CC
2.2
5.5
V
Quiescent Supply Current
I CC
V INT = 0
13
21
μA
DC CHARACTERISTICS
INT Voltage Range
V INT
0
5.5
V
EXT Voltage Range
V EXT
(Note 2)
-0.7
+28
V
EXT Rising Threshold
EXT Falling Threshold
V THR
V THF
V CC +
0.19
V CC +
0.09
V CC +
0.26
V CC +
0.13
V CC +
0.30
V CC +
0.16
V
V
SWITCH CHARACTERISTICS
On-Resistance
On-Capacitance
INT Off-Capacitance
INT Normal Operation Leakage
Current (to GND)
EXT Normal Operation Leakage
Current (to GND)
INT Fault Leakage Current
EXT Fault Leakage Current
INT Shutdown Leakage Current
(to GND)
R ON
C ON
C OFF
0 < V EXT < V CC , I EXT = ±10mA
Capacitance to GND
Capacitance to GND
0 < V INT < V CC , V CC = 5.5V
0 < V EXT < V CC , V CC = 5.5V
V INT = 3.3V, V EXT = 28V
V INT = 3.3V, V EXT = 28V
V CC = V DD = 0, 2.2V < V DD < 5.5V,
R INT_PULLUP = 2k Ω to V DD
43.5
38
27
3
3
2
341
38
77.5
4.2
5
10
510
70
Ω
pF
pF
μA
μA
nA
μA
μA
AC CHARACTERISTICS
V CC = V DD = 0
1
nA
Power-Up Delay Time
t PUP
500
μs
Fault Reaction Time
Fault Recovery Time
t OFF
t ON
Fault, V EXT = 10V, R INT_PULLUP = 200 Ω
Fault, V EXT = 16V, R INT_PULLUP = 200 Ω
Fault removed, V EXT < V CC - 0.8V
98
60
271
200
375
ns
ns
Note 1: All devices are 100% production tested at T A = +25°C. Specifications over temperature limits are guaranteed by design.
Note 2: Minimum EXT voltage of -0.7V is allowed only with a maximum drawn current of 20mA.
2
_______________________________________________________________________________________
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