MAX1922 Maxim, MAX1922 Datasheet - Page 3
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MAX1922
Manufacturer Part Number
MAX1922
Description
The MAX1922 current-limited 70mΩ switch with built-in fault blanking provides an accurate, preset 1
Manufacturer
Maxim
Datasheet
1.MAX1922.pdf
(9 pages)
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ELECTRICAL CHARACTERISTICS
(V
ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: Specifications to -40°C are guaranteed by design, not production tested.
THERMAL SHUTDOWN
OC Off-State Current
OC Blanking Timeout Period
Thermal Shutdown Threshold
OPERATING CONDITION
POWER SWITCH
ENABLE INPUT (EN)
CURRENT LIMIT
SUPPLY CURRENT
UNDERVOLTAGE LOCKOUT
OVERCURRENT (OC)
Input Voltage
Switch Static Drain-Source
On-State Resistance
Switch Turn-On Time
Switch Turn-Off Time
EN High-Level Input Voltage
EN Low-Level Input Voltage
EN Input Current
Overload Output Current
Short-Circuit Output Current
Supply Current, Low-Level Input
Supply Current, High-Level
Input
Supply Leakage Current
Undervoltage Lockout
OC Threshold
OC Output Low Voltage
OC Off-State Current
OC Blanking Timeout Period
IN
IN
= 5V, T
= 5V, T
PARAMETER
PARAMETER
A
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
= 0°C to +85°C, unless otherwise noted. Typical values are at T
1A Current-Limited Switch for 2 USB Ports
_______________________________________________________________________________________
SYMBOL
SYMBOL
R
UVLO
DS(ON)
I
t
LIMIT
V
t
t
V
V
OFF
V
I
t
BL
ON
I
SC
BL
OL
Q
IN
IH
IL
V
From overcurrent condition to OC assertion
V
V
I
I
V
V
V
V
Force V
OUT shorted to GND
V
V
V
Rising edge, 100mV hysteresis
I
V
From overcurrent condition to OC assertion
LOAD
LOAD
SINK
IN
IN
IN
IN
IN
IN
EN
EN
EN
EN
IN
= V
= 4.4V to 5.5V
= 3V
= 3.0V to 3.6V
= 3.7V to 5.5V
= 3.0V to 5.5V
= V
= V
= V
= GND, I
= V
= 1mA, V
= 400mA
= 400mA
OC
OC
OUT
IN
IN
IN
= 5V
or GND
= V
= 5.5V, V
= 5V
to 4.5V
OUT
OUT
IN
CONDITIONS
CONDITIONS
= 3V
= 0, timer not running
= 5.5V
OUT
= GND
A
= +25°C.)
MIN
MIN
3.0
2.0
2.4
1.2
2.0
1.1
6
-1
1
6
TYP
165
TYP
10
MAX
MAX
125
150
200
13
5.5
0.8
2.3
1.5
2.9
0.4
20
25
15
14
1
1
2
1
UNITS
UNITS
ms
mΩ
µA
°C
ms
µA
µA
µA
µA
µA
µs
µs
V
V
V
A
A
V
A
V
3