28V-Capable, I
LIM
V
BUS
Accessory Switch
2
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
(Voltages referenced to GND.)
OUT .......................................................................-0.3V to +30V
IN, FLAG, EN, ISET ..............................................-0.3V to +6.0V
Continuous Power Dissipation (T
A
= +70NC)
8-Pin TDFN (derate 11.9mW/NC above +70NC) ...........953mW
Junction-to-Ambient Thermal Resistance
B
JA
(Note 1) ..............................................................83.9NC/W
Junction-to-Case Thermal Resistance
B
JC
(Note 1) .................................................................37NC/W
Operating Temperature Range ..........................-40NC to +85NC
Storage Temperature Range ............................-65NC to +150NC
Junction Temperature .....................................-40NC to +150NC
Lead Temperature (soldering, 10s) ................................+300NC
Soldering Temperature (reflow) ......................................+260NC
ELECTRICAL CHARACTERISTICS
(V
IN
= +2.3V to +5.5V, T
A
= -40NC to +85NC, unless otherwise noted. Typical values are at V
IN
= +3.3V, T
A
= +25NC.) (Note 2)
ABSOLUTE MAXIMUM RATINGS
Note 1: Package thermal resistances were obtained using the method described in JEDEC specifications. For detailed information
on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Voltage Range
V
IN
2.3
5.5
V
Undervoltage Lockout
V
UVLO
V
IN
falling
1.8
2.2
V
Undervoltage Lockout Hysteresis
100
mV
IN Overvoltage Trip Level
V
OVLO
V
IN
rising
5.5
6.0
V
IN Overvoltage Hysteresis
1
%
Quiescent Current
I
Q
V
EN
= V
IN
= 3.3V, I
OUT
= 0A
225
380
FA
OUT Voltage
V
OUT
Switch off
28
V
OUT Leakage Current
I
OUTL
V
EN
= V
IN
= 5V, V
OUT
= 5V after an overcur-
rent fault
0.2
1
FA
V
EN
= V
IN
= 5V, V
OUT
= 10V after an overcur-
rent fault
3.5
IN Shutdown Current
I
SHDN
V
EN
= 0V, V
IN
= 5V, V
OUT
= 0V, V
ISET
= 0V
0.1
1.1
FA
V
EN
= 0V, V
IN
= 5V, V
OUT
= 10V, V
ISET
= 0V
0.1
1.1
Switch On-Resistance
R
ON
I
OUT
= 100mA, V
IN
= 2.3V
370
600
mI
I
OUT
= 100mA, V
IN
> 3.3V
270
450
Current Limit
I
LIM
V
ISET
= 0V, V
IN
- V
OUT
= 1V
200
250
300
mA
V
ISET
= V
IN
, V
IN
- V
OUT
= 1V
400
500
600
FLAG Assertion Voltage
V
FA
V
FA
= V
IN
- V
OUT
, where overcurrent is
detected and FLAG asserted
0.30
0.45
0.60
V
Reverse-Current Detection
Threshold
I
DET
V
EN
= V
IN
= 3.3V, V
OUT
rising until reverse-
current shutdown protection trips
0
155
350
mA
Reverse-Current Detection
Hysteresis
After a reverse overcurrent event, V
OUT
falls
below V
IN
until switch turns on, measure
V
IN
- V
OUT
100
200
300
mV
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