Dual, 7.5V to 76V, Hot-Swap and
Diode ORing Controller
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
PS
= V
PWR
= 12V, V
GND
= V
FOSO
= 0. T
A
= +25癈, unless otherwise noted.)
HOT PLUG-IN LOAD CAPACITANCE
INTO ACTIVE PORT (NO FAULT)
MAX5963 toc17
200祍/div
V
FAULTA
10V/div
I
PS
2A/div
V
GATE2A
10V/div
V
OUTA
10V/div
0V
0V
0A
0V
C
LOAD
= 220礔
HOT PLUG-IN LOAD CAPACITANCE
INTO ACTIVE PORT (CURRENT-LIMIT TIMEOUT)
MAX5963 toc18
400祍/div
V
FAULTA
10V/div
I
PS
2A/div
V
GATE2A
10V/div
V
OUTA
10V/div
0V
0V
0A
0V
C
LOAD
= 1300礔
CHANNEL A FOSO TURN-OFF TIME
MAX5963 toc19
100ns/div
V
PS
20V/div
V
FOSO
5V/div
V
GATE2A
10V/div
V
OUTA
10V/div
0V
0V
0V
0V
0V
VFAULTA
10V/div
CHANNEL B FOSO TURN-OFF TIME
MAX5963 toc20
100ns/div
V
PS
20V/div
V
FOSO
5V/div
V
GATE2B
10V/div
V
OUTB
10V/div
0V
0V
0V
0V
0V
VFAULTB
10V/div
SHORT-CIRCUIT EVENT
(ACTIVE CURRENT LIMIT)
MAX5963 toc15
200祍/div
V
PWR
10V/div
0V
I
PWR
2A/div
V
GATE1_
10V/div
0V
0V
0A
0V
V
OUT_
10V/div
V
FAULT_
10V/div
ORING SWITCHOVER WAVEFORM
MAX5963 toc16
1祍/div
I
OUT_
1A/div
V
PS
AC-COUPLED, 12V
1V/div
V
OUT_
AC-COUPLED, 12V
1V/div
VGATEOR
10V/div
0V
0A
200ns
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