-48V Hot-Swap Controllers with V
IN
Step Immunity and No R
SENSE
______________________________________________________________________________________   21
Chip Information
TRANSISTOR COUNT: 2320
PROCESS: BiCMOS
Figure 20. V
OUT
Response to V
IN
Ramp of 300V/ms
V
OUT
RESPONSE TO V
IN
 RAMP OF 300V/ms
TIME (祍)
7
6
4
5
2
3
1
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
0
0
8
A
B
d
VIN
dt
t
CB
t
SC
E
F
C
t
STEP
A = V
IN
 (GND - V
EE
)
B = V
STEP_MON
C = V
OUT
D = V
STEP,TH
E = V
CB
F = V
SC
Figure 21. V
OUT
Response to V
IN
Ramp of 30V/ms
V
OUT
 RESPONSE TO V
IN
 RAMP
TIME (祍)
A
B
t
CB
E
F
C
D
A = V
IN
 (GND - V
EE
)
B = V
STEP_MON
C = V
OUT
D = V
STEP,TH
E = V
CB
F = V
SC
36
32
28
24
20
16
12
8
4
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
0
40
t
SC
t
STEP
Figure 22. V
OUT
Response to V
IN
Ramp of 3V/ms
V
OUT
 RESPONSE TO V
IN
 RAMP OF 3V/ms
TIME (祍)
A = V
IN
 (GND - V
EE
)
B = V
STEP_MON
C = V
OUT
D = V
STEP,TH
E = V
CB
F = V
SC
400
300
100
200
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
0
500
A
B
D
E
F
C
t
STEP
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