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-48V Simple Swapper Hot-Swap Switches
_______________________________________________________________________________________   3
0.8
1.0
1.4
1.2
1.6
1.8
-65
-45
-55
-35
-25
-15
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
NO LOAD
1.510
1.520
1.515
1.530
1.525
1.535
1.540
-40
10
-15
35
60
85
SUPPLY CURRENT
vs. AMBIENT TEMPERATURE
TEMPERATURE (癈)
NO LOAD
1.6
2.0
1.8
2.4
2.2
2.8
2.6
3.0
-40
10
-15
35
60
85
ON-RESISTANCE
vs. AMBIENT TEMPERATURE
TEMPERATURE (癈)
I
LOAD
 = 150mA
Typical Operating Characteristics
(V
IN
= -48V, AGND = DGND = 0, UVLO = open circuit, V
ENABLE
= +3.3V, R
LOAD
= 1.8k&, T
A
= +25癈, unless otherwise noted.)
ELECTRICAL SPECIFICATIONS (continued)
(V
IN
= -48V, AGND = DGND = 0, UVLO = open circuit, V
ENABLE
= +3.3V, and T
A
= -40癈 to +85癈, unless otherwise noted. Typical
values are at T
A
= +25癈.)
Note 1:  Minimum ENABLE low pulse width required to unlatch fault condition.
Note 2:  The delay from I
OUT
falling below the zero-current threshold until FAULT is latched low and V
OUT
is disabled.
Note 3:  The time from an output overcurrent or short-circuit condition until the output goes into current limit. 
Note 4:  The time from V
OUT
falling until FAULT is asserted low. FAULT is not latched for Power-Not-Good condition.
Note 5:  When the device goes into thermal shutdown, the output is disabled and FAULT is latched low.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX    UNITS
Power-Not-Good Output Delay
(Note 4)
PG
DEL
After |V
IN
- V
OUT
| increases above
(V
PG
 + PG
HYS
)
8
14
20
ms
Thermal Shutdown Temperature
(Note 5)
T
J
140
o
C
Default UVLO
UVLO open circuit, |V
IN
| increasing
-30
-28
-26
V
UVLO Hysteresis
UVLO open circuit, percentage of UVLO
threshold
12
%
UVLO Comparator Threshold
Referenced to V
IN
, UVLO open circuit,
|V
IN
| increasing
+1.258
V
UVLO Input Resistance
R
UVLO
95
k&
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