MAX4792EUS 查看數據表（PDF） - Maxim Integrated
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MAX4792EUS Datasheet PDF : 11 Pages
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200mA/250mA/300mA Current-Limit Switches
ABSOLUTE MAXIMUM RATINGS
IN, ON, FLAG, OUT to GND .....................................-0.3V to +6V
OUT Short Circuit to GND .................................Internally Limited
Continuous Power Dissipation (TA = +70°C)
4-Pin SOT143 (derate 4.0mW/°C above +70°C)..........320mW
5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW
6-Pin TDFN (derate 24.4mW/°C above +70°C).........1951.2mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°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
(VIN = 2.3V to 5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VIN = 3.3V, TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
Operating Voltage
Quiescent Current
VIN
2.3
IQ
VON = VIN, IOUT = 0, VIN = +2.3V to +5.0V
switch on
VIN = +5.0V to +5.5V
Latch-Off Current (Note 2)
ILATCH
VON = VIN, after an overcurrent fault
(MAX4789/MAX4791/MAX4793)
Shutdown Current
ISHDN VON = 0V
MAX4789/MAX4790
200
Forward Current Limit
MAX4791/MAX4792
250
MAX4793/MAX4794
300
MAX4789/MAX4790
Reverse Current Limit
MAX4791/MAX4792
MAX4793/MAX4794
Shutdown Reverse Leakage
VON = 0, VIN = 3V, VOUT = 5V
ON Input Leakage
VON = VIN or GND
-1
Off Switch Leakage
VON = 0V, VOUT = 0V
Undervoltage Lockout
UVLO Rising edge
1.8
Undervoltage Lockout Hysteresis
On-Resistance
ON Input Logic High Voltage
ON Input Logic Low Voltage
FLAG Output Logic Low Voltage
FLAG Output High Leakage
Current
RON
TA = +25°C, IOUT = 100mA
TA = -40°C to +85°C, IOUT = 100mA
VIH
2.0
VIL
ISINK = 1mA (MAX4789/MAX4791/MAX4793)
VIN = V FLAG = 5.5V
(MAX4789/MAX4791/MAX4793)
Thermal Shutdown
Thermal-Shutdown Hysteresis
DYNAMIC
Turn-On Time (Note 3)
VON from low to high; IOUT = 10mA,
CL = 0.1µF
Turn-Off Time (Note 3)
VON from high to low; IOUT = 10mA,
CL = 0.1µF
TYP
80
8
0.01
100
0.01
100
0.2
150
15
100
40
MAX
5.5
120
160
15
1
300
375
450
300
375
450
+1
1
2.2
0.4
0.5
0.8
0.4
1
UNITS
V
µA
µA
µA
mA
mA
µA
µA
µA
V
mV
Ω
V
V
V
µA
°C
°C
µs
ns
2 _______________________________________________________________________________________
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