Datasheet

5Maxim Integrated
1V to 16V, Single-Channel, Hot-Swap Controllers
with Precision Current-Sensing Output
MAX5977A/MAX5977B
Typical Operating Characteristics (continued)
(V
PWR
= V
IN
= 3.3V, T
A
= +25NC, R
FCOMP
= R
SCOMP
= 2kI, R
GATE
= 1kI, C
GATE
= 330nF, C
REG
= 1FF, unless otherwise noted.)
SLOW-COMPARATOR RESPONSE TIME
(50mV OVERDRIVE)
MAX5997 toc08
V
IN
- V
SENSE
50mV/div
V
GATE
5V/div
V
SOURCE
2V/div
0V
0V
0V
100µs/div
R
SENSE
= 4mI
CURRENT OUTPUT ERROR (%)
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
CURRENT OUTPUT ERROR
vs. V
IN
- V
SENSE
MAX5977 toc06
V
IN
- V
SENSE
(mV)
10 20 30 40
05
0
V
IN
= V
PWR
= 12V
R
CSOUT
= 10kI
I
_COMP
vs. TEMPERATURE
MAX5977 toc04
I
_COMP (µA)
5
10
15
20
25
30
35
40
45
50
55
0
TEMPERATURE (°C)
7550250-25-50 100
I
FCOMP
I
SCOMP
SLOW-COMPARATOR RESPONSE TIME
(50mV OVERDRIVE)
MAX5977 toc09
V
IN
- V
SENSE
100mV/div
V
GATE
5V/div
V
SOURCE
2V/div
0V
0V
0V
20µs/div
R
SENSE
= 4mI
t
SCD
vs. OVERDRIVE VOLTAGE
MAX5977 toc07
OVERDRIVE VOLTAGE (mV)
tSCD (µs)
45403530252015105
1000
100
05
0
V
GATE
vs. V
IN
MAX5977 toc05
V
IN
(V)
V
GATE
(V)
15105
4.80
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
5.25
4.75
02
0