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参数资料
| 型号： | MAX4773EUK-T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封装： | MO-178AB, SOT23-6 |
| 文件页数： | 9/16页 |
| 文件大小： | 427K |
| 代理商： | MAX4773EUK-T |
MAX4772/MAX4773
200mA/500mA Selectable
Current-Limit Switches
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VIN = +2.0V to +4.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VIN = +3.3V, TA = +25°C.) (Note 1)
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.
IN, ON, FLAG, SEL, OUT to GND.............................-0.3V to +6V
OUT Short Circuit to GND .................................Internally Limited
Continuous Power Dissipation (TA = +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C)............696mW
6-Pin TDFN (derate 24.4mW/°C above +70°C) .........1951mW
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
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Voltage
VIN
2.0
4.5
V
Quiescent Current
IQ
VON = VIN, switch on
VIN = +3.3V
80
125
A
Latch-Off Current (Note 2)
ILATCH
VON = VIN, after an
overcurrent fault (MAX4772)
VIN = +3.3V
6
10
A
Shutdown Current
ISHDN
VON = 0V, SEL = low or floating
0.03
1
A
SEL = low, VIN = 3.3V, VOUT = GND
200
320
Forward-Current Limit
SEL = high, VIN = 3.3V, VOUT = GND
500
800
mA
SEL = low
320
Reverse-Current Limit
SEL = high
800
mA
ON Input Leakage
-1
+1
A
Shutdown Forward Leakage
VON = 0V, VOUT = 0V
0.01
1
A
Shutdown Reverse Leakage
VON = 0V, VIN = 2V, VOUT = 4.5V
1
A
SEL Pulldown Current
After power-up (VIN > 2V, 0V < VSEL < 0.5V)
30
100
A
SEL Input Current
Measured after first low-to-high transition
-1
+1
A
SEL = low, ILOAD = 100mA
0.45
0.9
On-Resistance (Note 3)
RON
SEL = high, ILOAD = 100mA
0.18
0.36
VIN = 2V to 3.6V
1.4
ON, SEL Input Logic High
Voltage
VIH
VIN > 3.6V
2
V
ON, SEL Input Logic Low Voltage
VIL
0.5
V
FLAG Output Logic Low Voltage
ISINK = 1mA
0.4
V
FLAG Output High Leakage
Current
VIN = VFLAG = VON = 4.5V
1
A
Thermal Shutdown
150
°C
Thermal-Shutdown Hysteresis
15
°C
DYNAMIC
Turn-On Time (Note 4)
VON from low to high, IOUT = 10mA,
CL = 0.1F
120
s
Turn-Off Time (Note 4)
VON from high to low, IOUT = 10mA,
CL = 0.1F
100
ns
Blanking Time
tBLANK
Overcurrent fault (Figures 4 and 5)
14
60
ms
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