Datasheet

MAX1564
Triple 1.2A USB Switch in 4mm x 4mm
Thin QFN
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN_
= V
CC
= V
SEL
= V
ON_
= 5V, R
SETI
= 26.1kΩ, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
(Note 4)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Current-Limit Fault-Blanking
Timeout Period
From current-limit condition to FLT_ low 10 20 40 ms
Turn-On Delay
R
OUT _
= 10Ω, C
OUT_
= 1µF,
measured from ON_ high to 10% of V
OUT_
0.5 1.5 4.0 ms
Output Rise Time
R
OUT_
= 10Ω, C
OUT
_= 1µF, measured from 10% to 90%
of V
OUT_
3.5 ms
Turn-Off Delay Time
R
OUT_
= 10Ω, C
OUT_
= 1µF, measured from ON_ low to
90% of V
OUT_
100 1000 µs
Output Fall Time
R
OUT_
= 10Ω, C
OUT_
= 1µF, measured from 90% to 10%
of V
OUT_
4.0 ms
Thermal Shutdown Threshold 10°C hysteresis +160 °C
V
IN_
= 2.7V to 4.0V 1.6
Logic-Input High Voltage (ONA,
ONB, ONC, SEL)
V
IN_
= 4.0V to 5.5V 2.0
V
V
IN_
= 2.7V to 4.0V 0.6
Logic-Input Low Voltage (ONA,
ONB, ONC, SEL)
V
IN_
= 4.0V to 5.5V 0.8
V
Logic-Input Current -1 +1 µA
FLT_ Output Low Voltage I
SINK
= 1mA 0.4 V
FLT_ Output High Leakage
Current
V
FLT_
= 5.5V 1 µA
SETI Output Voltage 600 mV
SETI External Resistor Range 26.1kΩ sets 1.37A maximum current limit 26 60 kΩ
OUT_ Auto-Restart Current In latched-off state, V
OUT_
= 0V 10 25 50 mA
OUT_ Auto-Restart Threshold In latched-off state, V
OUT_
rising 0.4 0.5 0.6 V
OUT_ Auto-Restart Delay Time In latched-off state, V
OUT_
> 1V 10 20 40 ms
Reverse Current Detection
Threshold
0.9 A
Reverse Current Detection Blank
Time
10 20 40 ms
Note 4: Specifications to -40°C are guaranteed by design and characterization and not production tested.
Note 5: The output voltage at which the device transitions from short-circuit current limit to continuous current limit.