Datasheet

MAX14588 1A Adjustable Overcurrent and Overvoltage
Protector with High Accuracy
Maxim Integrated │ 7
www.maximintegrated.com
Typical Operating Characteristics (continued)
(C
IN
= 1µF, C
OUT
= 1µF, T
A
= +25°C, unless otherwise noted.)
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
MAX14588 toc04
TEMPERATURE (ºC)
NORMALIZED ON-RESISTANCE
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
0.5
1109580655035205-10-25-40 125
V
IN
= 12V
V
IN
= 32V
V
IN
= 24V
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX14588 toc07
TEMPERATURE (ºC)
SHUTDOWN SUPPLY CURRENT (µA)
1109580655035205-10-25
2
4
6
8
10
12
0
-40 125
V
IN
= 12V
V
IN
= 32V
V
IN
= 24V
SWITCH TURN-OFF TIME
vs. TEMPERATURE
MAX14588 toc10
TEMPERATURE (ºC)
TURN-OFF TIME (µs)
5
10
15
20
25
30
35
40
45
50
0
1109580655035205-10-25-40 125
V
IN
= 24V
R
L
= 24Ω
NORMALIZED CURRENT LIMIT
vs. SUPPLY VOLTAGE
MAX14588 toc05
IN VOLTAGE (V)
NORMALIZED CURRENT LIMIT
302010
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
1.04
1.05
0.95
04
0
R
SETI
= 12kΩ
SHUTDOWN FORWARD CURRENT
vs. TEMPERATURE
MAX14588 toc08
TEMPERATURE (ºC)
SHUTDOWN FORWARD CURRENT (µA)
1109580655035205-10-25
0.1
0.2
0.3
0.4
0.5
0
-40 125
V
IN
= 12V
V
IN
= 24V
V
IN
= 32V
CURRENT LIMIT vs. R
SETI
MAX14588 toc11
R
SETI
(kΩ)
CURRENT LIMIT (A)
604020
0.2
0.4
0.6
0.8
1.0
1.2
0
08
0
V
IN
= 24V
POWER-UP RESPONSE
MAX14588 toc12
V
IN
10V/div
V
OUT
10V/div
20ms/div
NORMALIZED CURRENT LIMIT
vs. TEMPERATURE
MAX14588 toc06
TEMPERATURE (ºC)
NORMALIZED CURRENT LIMIT
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
1.04
1.05
0.95
1109580655035205-10-25-40 125
V
IN
= 24V
SWITCH DEBOUNCE TIME
vs. TEMPERATURE
MAX14588 toc09
TEMPERATURE (ºC)
DEBOUNCE TIME (ms)
15.5
16.0
16.5
17.0
17.5
18.0
18.5
19.0
19.5
20.0
15.0
1109580655035205-10-25-40 125
V
IN
= 24V
R
L
= 24Ω