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.)
FAST-COMPARATOR RESPONSE TIME
(10mV OVERDRIVE)
MAX5977 toc10
FAULT RETRY TIME
(MAX5977B ONLY)
MAX5977 toc11
V FCOMP
t FSD
V IN - V SENSE
100mV/div
0V
V GATE
5V/div
0V
V IN - V SENSE
50mV/div
0V
V GATE
5V/div
0V
R SENSE = 4mI
2μs/div
V SOURCE
2V/div
0V
R SENSE = 4mI
40ms/div
V SOURCE
2V/div
0V
I CSOUT SMALL-SIGNAL
PULSE RESPONSE
MAX5977 toc12
V IN - V SENSE
5mV/div
0V
V CSOUT
100mV/div
I CSOUT LARGE-SIGNAL
PULSE RESPONSE
MAX5977 toc13
V IN - V SENSE
20mV/div
0V
V CSOUT
500mV/div
R CSOUT = 10kI
20μs/div
0V
R CSOUT = 10kI
20μs/div
0V
6
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