Electrical characteristics (continued), Electrical characteristics – Rainbow Electronics MAX1558H User Manual
Page 3

MAX1558/MAX1558H
Dual, 3mm x 3mm, 1.2A/Programmable-Current
USB Switches with Autoreset
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
INA
= V
INB
= 5V, V
ONA
= V
ONB
= 0V (MAX1558), V
ONA
= V
ONB
= 5V (MAX1558H), R
ISET
= 26k
Ω to GND,
T
A
= 0°C to +85°C
,
unless otherwise noted. Typical values are at T
A
= +25
°C.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Rise Time
t
RISE
C
OUT_
= 1µF, R
OUT_
= 10
Ω, (from 10% to
90% of V
OUT_
)
4
ms
Turn-Off Delay from ON
t
OFF
R
OUT_
= 10
Ω, C
OUT_
= 1µF, does not
include rise time (from ON deasserted to
V
OUT_
= 90% V
IN_
)
100
1000
µs
Output Fall Time
t
FALL
C
OUT_
= 1µF, R
OUT_
= 10
Ω (from 90% to
10% of V
OUT_
)
3
ms
Thermal-Shutdown Threshold
10
°C hysteresis
+160
°C
V
IN_
= 2.7V to 4.0V
1.6
ONA/ONB Logic Input High
Voltage
V
IH
V
IN_
4.0V to 5.5V
2.0
V
V
IN_
= 2.7V to 4.0V
0.6
ONA/ONB Logic Input Low
Voltage
V
IL
V
IN_
= 4.0V to 5.5V
0.8
V
Logic Input Current
V
ON_
= 0V or V
IN_
-1
+1
µA
FLT_ Output Low Voltage
I
SINK
= 1mA
0.4
V
FLT_ Output High Leakage
Current
V
IN_
= V
FLT
_
= 5.5V
1
µA
Autorestart Current
In latched-off state, V
OUT_
= 0V
10
25
50
mA
Autorestart Threshold
In latched-off state, rising
0.4
0.5
0.6
V
Autorestart Delay
In latched-off state, V
OUT_
> 1V
8
20
40
ms
ELECTRICAL CHARACTERISTICS
(V
INA
= V
INB
= 5V, V
ONA
= V
ONB
= 0V (MAX1558), V
ONA
= V
ONB
= 5V (MAX1558H), R
ISET
= 26k
Ω to GND,
T
A
= -40°C to +85°C
,
unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range
2.7
5.5
V
V
IN_
= 5V, T
A
= +25
°C
75
Switch On-Resistance
R
ON
V
IN_
= 4.4V, T
A
= 0
°C to +85°C
105
m
Ω
Standby Supply Current
Both switches disabled
6
µA
Quiescent Supply Current
Both switches enabled
75
µA
OUT_ Off-Leakage Current
Switches disabled, V
OUTA
= V
OUTB
= 0V
10
µA
Undervoltage-Lockout Threshold
V
UVLO
Rising edge, 3% hysteresis
2.3
2.7
V
Continuous Load Current
R
ISET
= 26k
Ω
1.2
A
R
ISET
= 26k
Ω
1.20
1.60
R
ISET
= 39k
Ω
0.80
1.05
Current-Limit Threshold
V
IN_
- V
OUT_
= 0.5V
R
ISET
= 60k
Ω
0.50
0.70
A
Peak Short-Circuit Current Limit
I
SHORT
V
OUT_
= 0V
(I
OUT_
pulsing)
R
ISET
= 26k
Ω
1.45
2.60
A
(PEAK)
Fault-Blanking Timeout Period
From I
LIMIT
condition to 50% of V
FLT_
8
40
ms