MAX893 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX893 Datasheet PDF : 8 Pages
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1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
__________________________________________Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
QUIESCENT CURRENT
vs. INPUT VOLTAGE
14
12
ON = GND
IOUT = 0
10
8
6
4
2
QUIESCENT CURRENT
vs. TEMPERATURE
14
VIN = 5V
13
VIN = 3V
12
11
10
9
OFF-SUPPLY CURRENT
vs. TEMPERATURE
10
1
0.1
0.01
0
0
1
2
3
4
5
6
INPUT VOLTAGE (V)
OFF-SWITCH CURRENT
vs. TEMPERATURE
1000
100
10
8
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
1.3
IOUT = 1/2 ILIMIT
1.2 VIN = 5V
1.1
1.0
0.001
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
IOUT/ISET RATIO
vs. ILIMIT
1400
1200
1000
800
1
0.1
0.01
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
0.9
0.8
0.7
0.6
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
600
400
200
0
0
20 40 60 80 100 120 140
ILIMIT (%)
NORMALIZED OUTPUT CURRENT
vs. OUTPUT VOLTAGE
1.4
1.2
ILIMIT = 1.2A
1.0
0.8
0.6
0.4
0.2
VIN = 5V
0
0
1
2
3
4
5
6
OUTPUT VOLTAGE (V)
TURN-ON TIME
vs. TEMPERATURE
150
ILOAD = ILIMIT
140
130
VIN = 3V
120
110
100
90
VIN = 5V
80
70
60
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
TURN-OFF TIME
vs. TEMPERATURE
6
ILOAD = ILIMIT
5
4
VIN = 5V
3
2
VIN = 3V
1
0
-40 -20
0 20 40 60
TEMPERATURE (°C)
80 100
4 _______________________________________________________________________________________
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