Rainbow Electronics MAX5937 - Manual (Page 21)

MAX5936/MAX5937
-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 (µs)
∆
VOLTAGES (V)
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 (µs)
∆
VOLTAGES (V)
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 (µs)
∆
VOLTAGES (V)
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