1A Current-Limited Switch for 2 USB Ports
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 5V,
T
A
= 0°C to +85°C,
unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
OC
Off-State Current
OC
Blanking Timeout Period
THERMAL SHUTDOWN
Thermal Shutdown Threshold
165
°C
t
BL
SYMBOL
CONDITIONS
V
IN
= V
OC
= 5V
From overcurrent condition to
OC
assertion
6
10
MIN
TYP
MAX
1
13
UNITS
µA
ms
MAX1922
ELECTRICAL CHARACTERISTICS
(V
IN
= 5V,
T
A
= -40°C to +85°C,
unless otherwise noted.) (Note 1)
PARAMETER
OPERATING CONDITION
Input Voltage
POWER SWITCH
Switch Static Drain-Source
On-State Resistance
Switch Turn-On Time
Switch Turn-Off Time
ENABLE INPUT (EN)
EN
High-Level Input Voltage
EN
Low-Level Input Voltage
EN
Input Current
CURRENT LIMIT
Overload Output Current
Short-Circuit Output Current
SUPPLY CURRENT
Supply Current, Low-Level Input
Supply Current, High-Level
Input
Supply Leakage Current
UNDERVOLTAGE LOCKOUT
Undervoltage Lockout
OVERCURRENT (OC)
OC
Threshold
OC
Output Low Voltage
OC
Off-State Current
OC
Blanking Timeout Period
t
BL
V
OL
I
SINK
= 1mA, V
IN
= 3V
V
IN
= V
OC
= 5V
From overcurrent condition to
OC
assertion
6
1.1
0.4
1
14
A
V
µA
ms
UVLO
Rising edge, 100mV hysteresis
2.0
2.9
V
I
Q
V
EN
= V
IN
= V
OUT
= 5.5V
V
EN
= GND, I
OUT
= 0, timer not running
V
EN
= V
IN
= 5.5V, V
OUT
= GND
2
25
15
µA
µA
µA
I
LIMIT
I
SC
Force V
OUT
to 4.5V
OUT shorted to GND
1.2
2.3
1.5
A
A
V
IH
V
IL
V
IN
= 3.0V to 3.6V
V
IN
= 3.7V to 5.5V
V
IN
= 3.0V to 5.5V
V
EN
= V
IN
or GND
-1
2.0
2.4
0.8
1
V
V
µA
R
DS(ON)
t
ON
t
OFF
V
IN
= 4.4V to 5.5V
V
IN
= 3V
I
LOAD
= 400mA
I
LOAD
= 400mA
1
125
150
200
20
mΩ
µs
µs
V
IN
3.0
5.5
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Note 1:
Specifications to -40°C are guaranteed by design, not production tested.
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
