English
Language : 

MAX1558 Datasheet, PDF (4/12 Pages) Maxim Integrated Products – Dual, 3mm x 3mm, 1.2A/Programmable-Current USB Switches with Autoreset
Dual, 3mm x 3mm, 1.2A/Programmable-Current
USB Switches with Autoreset
ELECTRICAL CHARACTERISTICS (continued)
(VINA = VINB = 5V, VONA = VONB = 0V (MAX1558), VONA = VONB = 5V (MAX1558H), RISET = 26kΩ to GND, TA = -40°C to +85°C,
unless otherwise noted.)
PARAMETER
Turn-On Delay
Turn-Off Delay from ON
ONA/ONB Logic Input High
Voltage
ONA/ONB Logic Input Low
Voltage
Logic Input Current
FLT_ Output Low Voltage
FLT_ Output High Leakage
Current
SYMBOL
tON
tOFF
VIH
VIL
CONDITIONS
ROUT_ = 10Ω, COUT_ = 1µF, does not
include rise time (from ON asserted to
VOUT_ = 10% VIN_)
ROUT_ = 10Ω, COUT_ = 1µF, does not
include rise time (from ON deasserted to
VOUT_ = 90% VIN_)
VIN_ = 2.7V to 4.0V
VIN_ = 4.0V to 5.5V
VIN_ = 2.7V to 4.0V
VIN_ = 4.0V to 5.5V
VON_ = 0V or VIN_
ISINK = 1mA
VIN_ = V FLT_ = 5.5V
MIN TYP MAX UNITS
0.5
4.0
ms
1000
µs
1.6
V
2.0
0.6
V
0.8
-1
+1
µA
0.4
V
1
µA
Autorestart Current
Autorestart Threshold
Autorestart Delay
In latched-off state, VOUT_ = 0V
In latched-off state, rising
In latched-off state, VOUT_ > 1V
10
50
mA
0.4
0.6
V
8
40
ms
Note 3: Specifications from 0°C to -40°C are guaranteed by design but not 100% tested.
Note 4: The output voltage at which the device transitions from short-circuit current limit to continuous current limit. See the Output-
Current Fault Protection section.
Typical Operating Characteristics
(VINA = VINB = 5V, VONA = VONB = 0V (MAX1558), VONA = VONB= 5V (MAX1558H), RISET = 26kΩ to GND. Typical values are at TA =
+25°C, unless otherwise noted.)
CURRENT-LIMIT PROGRAM vs. RISET
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
24 28 32 36 40 44 48 52 56 60
RISET (kΩ)
QUIESCENT SUPPLY CURRENT
vs. SUPPLY VOLTAGE
60
50
40
30
20
10
0
0123456
SUPPLY VOLTAGE (V)
QUIESCENT CURRENT vs. TEMPERATURE
50
VIN_ = 5.5V
45
40
VIN_ = 5V
VIN_ = 4.5V
35
30
-40 -15
10
35
60
85
TEMPERATURE (°C)
4 _______________________________________________________________________________________