+65V Simple Swapper Hot-Swap Switches
_______________________________________________________________________________________   3
Note 1: Measured at GND pin at the end of the output voltage slew.
Note 2: Guaranteed by R
DSON
test. Limited by package power dissipation.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Zero-Current Detection
Threshold Hysteresis
IF
HYS
Percentage of IF
TH
10
%
IFAULT Output Delay
t
IFD
(Figure 1)
7
12
17
ms
PGOOD Output Delay
t
PGD
(Figure 2)
7
12
17
ms
Thermal Shutdown Temperature
T
J
Die temperature increasing
140
o
C
Thermal Shutdown Hysteresis
T
JHYS
3.5
o
C
Default Undervoltage Lockout
V
UVLO
V
IN 
decreasing
24.5
26.5
28.5
V
Undervoltage Lockout
Hysteresis
UVLO
HYS
Percentage of V
UVLO
11
%
Minimum Undervoltage Lockout
Threshold
V
UVLO
(MIN)
UVLO connected to V
IN
,
V
IN
 decreasing
7
7.5
8
V
Undervoltage Lockout Input
Resistance
R
UVLO
Force I = 5礎 into UVLO pin
260
k&
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +42V, GND = 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.)
I
OUT
IFAULT
3.3V
0
t
IFD
IF
TH
Figure 1. IFAULT Delay
t
PGD
V
PG
V
IN
PGOOD
3.3V
0
Figure 2. Power-Good Delay
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