1V to 16V, Single-Channel, Hot-Swap Controllers
with Precision Current-Sensing Output
Typical Operating Characteristics (continued)
(V PWR = V IN = 3.3V, T A = +25 N C, R FCOMP = R SCOMP = 2k I , R GATE = 1k I , C GATE = 330nF, C REG = 1 F F, unless otherwise noted.)
55
50
I _COMP vs. TEMPERATURE
5.25
5.20
V GATE vs. V IN
45
40
35
30
25
20
15
10
5
I FCOMP
I SCOMP
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
0
-50
-25
0
25
50
75
100
4.75
0
5
10
15
20
TEMPERATURE (°C)
V IN (V)
1.0
0.8
0.6
CURRENT OUTPUT ERROR
vs. V IN - V SENSE
V IN = V PWR = 12V
R CSOUT = 10k I
1000
t SCD vs. OVERDRIVE VOLTAGE
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
10
20
30
40
50
100
0
5
10 15 20 25 30 35 40 45 50
V IN - V SENSE (mV)
SLOW-COMPARATOR RESPONSE TIME
(50mV OVERDRIVE)
MAX5997 toc08
V IN - V SENSE
50mV/div
0V
V GATE
5V/div
0V
V SOURCE
2V/div
OVERDRIVE VOLTAGE (mV)
SLOW-COMPARATOR RESPONSE TIME
(50mV OVERDRIVE)
MAX5977 toc09
V IN - V SENSE
100mV/div
0V
V GATE
5V/div
0V
V SOURCE
2V/div
R SENSE = 4m I
100μs/div
0V
R SENSE = 4m I
20μs/div
0V
5
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