-48V Simple Swapper Hot-Swap Switches
4 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= -48V, AGND = DGND = 0, UVLO = open circuit, V
ENABLE
= +3.3V, R
LOAD
= 1.8k&, T
A
= +25癈, unless otherwise noted.)
0
MAX5911 TURN-OFF WAVEFORMS
(R
L
= 1.8k&, C
L
= NONE)
t = 10祍/div
0
0
A
B
C
A: ENABLE, 5V/div C: FAULT, 2V/div
B: V
OUT
, 20V/div
t = 100ms/div
MAX5911 TURN-OFF WAVEFORMS
(R
L
= 1.8k&, C
L
= 47礔)
A: ENABLE, 5V/div C: FAULT, 2V/div
B: V
OUT
, 20V/div
A
B
C
0
MAX5911 toc07
0
0
0
MAX5911 TURN-ON WAVEFORMS
(R
L
= 1.8k&, C
L
= NONE)
MAX5911 toc04
t = 10祍/div
0
0
A
B
C
A: ENABLE, 5V/div
B: V
OUT
, 20V/div
C: FAULT, 2V/div
t = 2ms/div
MAX5911 TURN-ON WAVEFORMS
(R
L
= 1.8k&, C
L
= 47礔)
A: ENABLE, 5V/div C: FAULT, 2V/div
B: V
OUT
, 20V/div
A
B
C
0
MAX5911 toc05
0
0
0
MAX5911
OVERCURRENT RESPONSE
t = 50ms/div
0
0
A
B
C
B: V
OUT
, 50V/div
A: FAULT, 5V/div C: I
OUT
, 200mA/div
0
MAX5911
ZERO-CURRENT RESPONSE
t = 50ms/div
0
0
A
B
C
B: V
OUT
, 50V/div
A: FAULT, 5V/div C: I
OUT
, 50mA/div
t = 10祍/div
MAX5912 TURN-ON WAVEFORMS
(R
L
= 1.8k&, C
L
= NONE)
A: ENABLE, 5V/div C: FAULT, 2V/div
B: V
OUT
, 20V/div
A
B
C
0
MAX5911 toc10
0
0
t = 1ms/div
MAX5912 TURN-ON WAVEFORMS
(R
L
= 1.8k&, C
L
= 47礔)
A
B
C
0
MAX5911 toc11
0
A: ENABLE, 5V/div C: FAULT, 2V/div
B: V
OUT
, 20V/div
0
t = 10祍/div
MAX5912 TURN-OFF WAVEFORMS
(R
L
= 1.8k&, C
L
= NONE)
A: ENABLE, 5V/div C: FAULT, 2V/div
B: V
OUT
, 20V/div
A
B
C
0
MAX5911 toc12
0
0