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0V to 16V, Dual Hot-Swap Controller with 10-Bit
Current and Voltage Monitor and 4 LED Drivers
Typical Operating Characteristics (continued)
(V IN = 3.3V, T A = +25 N C, unless otherwise noted.)
5.10
GATE_ DRIVE VOLTAGE vs. V IN
10
GATE_ DRIVE CURRENT
vs. (V GATE_ - V MON_ )
1.0
GATE_ DRIVE DISCHARGE CURRENT
vs. (V GATE_ - V MON_ )
9
0.9
5.05
8
0.8
5.00
4.95
4.90
V MON_ = 3.3V
V MON_ = 12V
7
6
5
4
3
2
1
0.7
0.6
0.5
0.4
0.3
0.2
0.1
4.85
0
2
4
6
8
10
12
14
16
0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V IN (V)
SLOW COMPARATOR TURN-OFF TIME
vs. VOLTAGE OVERDRIVE
(V GATE_ - V MON_ ) (V)
SLOW COMPARATOR THRESHOLD
VOLTAGE ERROR vs. TEMPERATURE
(V GATE_ - V MON_ ) (V)
ON_ THRESHOLD VOLTAGE
vs. TEMPERATURE
3.00
2.50
2.00
25mV SENSE RANGE,
DAC = 191, V TH,ST = 9.36mv
10
8
6
4
2
0.60
0.59
0.58
0.57
0.56
RISING
FALLING
1.50
1.00
0
-2
-4
100mV SENSE RANGE
50mV SENSE RANGE
0.55
0.54
0.53
0.50
-6
-8
25mV SENSE RANGE
0.52
0.51
0
0
1
2
3
4
5
-10
-40
-15
10
35
60
85
0.50
-40
-15
10
35
60
85
(V SENSE - V MON_ ) - V TH,ST (mV)
STARTUP WAVEFORM
MAX5970 toc10
TEMPERATURE (°C)
V ON_
2V/div
V GATE_
I LOAD
5V/div
2A/div
V MON_
TEMPERATURE (°C)
TURN-OFF WAVEFORM
(SLOW-COMPARATOR FAULT)
MAX5970 toc11
10ms/div
5V/div
V PG_
5V/div
I LOAD
2A/div
V GATE_
10V/div
V MON_
10V/div
V FAULT
5V/div
400μs/div
6
______________________________________________________________________________________
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