MAX14571 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX14571 Datasheet PDF : 14 Pages
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MAX14571/MAX14572/MAX14573
Adjustable Overvoltage and Overcurrent
Protectors with High Accuracy
(TA = +25°C, unless otherwise noted.)
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
-40
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
VIN = +24V
-15 10
35
60
85
TEMPERATURE (°C)
Typical Operating Characteristics (continued)
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
5
NORMALIZED CURRENT LIMIT
vs. SUPPLY VOLTAGE
RSETI = 17.4kI
8 11 14 17 20 23 26 29 32 35
SUPPLY VOLTAGE (V)
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
-40
NORMALIZED CURENT LIMIT
vs. TEMPERATURE
VIN = +24V
-15
10
35
60
85
TEMPERATURE (°C)
NORMALIZED OVLO THRESHOLD
vs. TEMPERATURE
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
-40
VIN = +24V
-15
10
35
60
85
TEMPERATURE (°C)
NORMALIZED UVLO THRESHOLD
vs. TEMPERATURE
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
-40
VIN = +24V
-15 10
35
60
85
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
25
20
15
10
5
0
-40
VIN = +24V
EN = LOW
HVEN = 100kI PULLUP TO VIN
OUT = OVLO = UVLO = GND
-15
10
35
60
85
TEMPERATURE (°C)
SHUTDOWN REVERSE CURRENT
vs. TEMPERATURE
35
30
25
20
15
10
5
0
-40
VIN = -24V
EN = LOW
HVEN = 100kI PULLUP TO VIN
OUT = OVLO = UVLO = GND
-15
10
35
60
85
TEMPERATURE (°C)
20
18
16
14
12
10
8
6
4
2
0
-40
TURN-ON TIME
vs. TEMPERATURE
EN TRANSITION TO 10% OF VIN
-15 10
35
60
85
TEMPERATURE (°C)
100
90
80
70
60
50
40
30
20
10
0
-40
TURN-OFF TIME
vs. TEMPERATURE
EN TRANSITION TO 90% OF VOUT
COUT = 10µF
RLOAD = 480I
-15
10
35
60
85
TEMPERATURE (°C)
Maxim Integrated
7
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