Datasheet

7Maxim Integrated
Adjustable Overvoltage and Overcurrent
Protectors with High Accuracy
MAX14571/MAX14572/MAX14573
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
MAX14571 toc04
TEMPERATURE (°C)
NORMALIZED ON-RESISTANCE
603510-15
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
0.5
-40 85
V
IN
= +24V
NORMALIZED CURRENT LIMIT
vs. SUPPLY VOLTAGE
MAX14571 toc05
SUPPLY VOLTAGE (V)
NORMALIZED CURRENT LI MIT
322923 2611 14 17 208
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
0.90
53
5
R
SETI
= 17.4kI
NORMALIZED CURENT LIMIT
vs. TEMPERATURE
MAX14571 toc06
TEMPERATURE (°C)
60
3510-15-40 85
NORMALIZED CURRENT LI MIT
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
0.90
V
IN
= +24V
NORMALIZED OVLO THRESHOLD
vs. TEMPERATURE
MAX14571 toc07
TEMPERATURE (°C)
60
3510-15-40 85
NORMALIZED OVLO THRESHOLD
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
0.90
V
IN
= +24V
SHUTDOWN REVERSE CURRENT
vs. TEMPERATURE
MAX14571 toc10
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (µA)
603510-15
5
10
15
20
25
30
35
0
-40 85
V
IN
= -24V
EN = LOW
HVEN = 100k
I PULLUP TO V
IN
OUT = OVLO = UVLO = GND
NORMALIZED UVLO THRESHOLD
vs. TEMPERATURE
MAX14571 toc08
TEMPERATURE (°C)
60
3510-15-40 85
NORMALIZED UVLO THRESHOLD
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
0.90
V
IN
= +24V
TURN-ON TIME
vs. TEMPERATURE
MAX14571 toc11
TEMPERATURE (°C)
TURN-ON TIME (ms)
603510-15
2
4
6
8
10
12
14
16
18
20
0
-40 85
EN TRANSITION TO 10% OF V
IN
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX14571 toc09
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (µA)
603510-15
5
10
15
20
25
0
-40 85
V
IN
= +24V
EN = LOW
HVEN = 100kI PULLUP TO V
IN
OUT = OVLO = UVLO = GND
TURN-OFF TIME
vs. TEMPERATURE
MAX14571 toc12
TEMPERATURE (°C)
TURN-OFF TIME (µs)
603510-15
10
20
30
40
50
60
70
80
90
100
0
-40 85
EN TRANSITION TO 90% OF V
OUT
C
OUT
= 10µF
R
LOAD
= 480I