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MAX9940 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Signal-Line Overvoltage Protector - Maxim Integrated Products

भाग संख्या MAX9940
समारोह Signal-Line Overvoltage Protector
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX9940?> डेटा पत्रक पीडीएफ

MAX9940 pdf
Signal-Line Overvoltage Protector
for Low-Voltage Devices
www.daAtaBshSeeOt4uL.cUomTE MAXIMUM RATINGS
(All voltages with respect to GND.)
VCC ...........................................................................-0.3V to +6V
INT ............................................................................-0.3V to +6V
EXT .........................................................................-0.3V to +30V
Continuous Input Current into Any Terminal.....................±20mA
Continuous Power Dissipation (TA = +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
(VCC = +3.3V, RINT_PULLUP = 2kΩ to VDD, VDD = 3.3V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.) (Note 1)
PARAMETER
POWER SUPPLY
Power-Supply Voltage
Quiescent Supply Current
DC CHARACTERISTICS
INT Voltage Range
EXT Voltage Range
EXT Rising Threshold
SYMBOL
VCC
ICC
VINT = 0
VINT
VEXT
VTHR
(Note 2)
CONDITIONS
MIN TYP MAX UNITS
2.2 5.5
13 21
V
µA
0
-0.7
VCC +
0.19
VCC +
0.26
5.5
+28
VCC +
0.30
V
V
V
EXT Falling Threshold
VTHF
VCC + VCC + VCC +
0.09 0.13 0.16
V
SWITCH CHARACTERISTICS
On-Resistance
On-Capacitance
INT Off-Capacitance
INT Normal Operation Leakage
Current (to GND)
RON
CON
COFF
0 < VEXT < VCC, IEXT = ±10mA
Capacitance to GND
Capacitance to GND
0 < VINT < VCC, VCC = 5.5V
43.5 77.5
38
27
3 4.2
Ω
pF
pF
µA
EXT Normal Operation Leakage
Current (to GND)
0 < VEXT < VCC, VCC = 5.5V
3 5 µA
INT Fault Leakage Current
VINT = 3.3V, VEXT = 28V
2 10 nA
EXT Fault Leakage Current
VINT = 3.3V, VEXT = 28V
341 510
µA
INT Shutdown Leakage Current
(to GND)
AC CHARACTERISTICS
VCC = VDD = 0, 2.2V < VDD < 5.5V,
RINT_PULLUP = 2kΩ to VDD
VCC = VDD = 0
38 70
1
µA
nA
Power-Up Delay Time
Fault Reaction Time
tPUP
tOFF
Fault, VEXT = 10V, RINT_PULLUP = 200Ω
Fault, VEXT = 16V, RINT_PULLUP = 200Ω
500
98 200
60
µs
ns
Fault Recovery Time
tON Fault removed, VEXT < VCC - 0.8V
271 375
ns
Note 1: All devices are 100% production tested at TA = +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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