t
O
vs R
RTIM
R
RTIM
k&
35
30
25
20
15
10
5
20
40
60
80
100
120
0
0
40
T
A
= -40癈, +25癈, +85癈
+48V Quad Hot-Swap Controllers For
Power-Over-LAN
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
CSP
_ = V
CC
= +48V, V
DD
= +3.3V, V
RLY
= +12V, V
AGND
= V
DGND
= 0V, RTIM = open, T
A
= +25癈, unless otherwise specified.)
SHORT-CIRCUIT RESPONSE
(V
CC
= +72V, EXPANDED TIME SCALE)
MAX5913A/14A toc28
A
B
0
0
40祍/div
ON = RLYON = V
DD
, R
L
= 1&, R
RTIM
= 2k&
A: I
OUT
, 200mA/div
B: V
GATE
, 50V/div
PEAK SHORT-CIRCUIT RESPONSE TIME
(V
CC
= +72V, EXPANDED TIME SCALE)
MAX5913A/14A toc29
A
B
0
0
1祍/div
ON = RLYON = V
DD
, R
L
= 1&, R
RTIM
= 2k&
A: I
OUT
, 5A/div
B: V
GATE
, 50V/div
OPEN-CIRCUIT THRESHOLD
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
69
66
60
63
42
45
48
51
54
57
36
39
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
2.0
33
72
T
A
= +25癈
T
A
= +85癈
T
A
= -40癈
4.0
3.5
3.0
2.5
2.0
-40
10
-15
35
60
85
OPEN-CIRCUIT THRESHOLD
vs. TEMPERATURE
TEMPERATURE (癈)
V
CC
= +36V, +48V,
+57V, AND +72V
OPEN-CIRCUIT GLITCH DELAY
MAX5913A/14A toc32
A
B
0
0
40ms/div
ON = RLYON = V
DD
, STATOUT = LOW
A: I
OUT
, 20mA/div
B: V
STAT
, 5V/div
C: V
GATE
, 20V/div
0
C
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