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MAX1558 Datasheet, PDF (4/12 Pages) Maxim Integrated Products – Dual, 3mm x 3mm, 1.2A/Programmable-Current USB Switches with Autoreset | |||
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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 = 26k⦠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_ = 10â¦, COUT_ = 1µF, does not
include rise time (from ON asserted to
VOUT_ = 10% VIN_)
ROUT_ = 10â¦, 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 = 26k⦠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 (kâ¦)
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 _______________________________________________________________________________________
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