Typical operating characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX1558H User Manual
Page 4
Typical Operating Characteristics
(V
INA
= V
INB
= 5V, V
ONA
= V
ONB
= 0V (MAX1558), V
ONA
= V
ONB
= 5V (MAX1558H), R
ISET
= 26k
Ω to GND. Typical values are at T
A
=
+25
°C, unless otherwise noted.)
MAX1558/MAX1558H
Dual, 3mm x 3mm, 1.2A/Programmable-Current
USB Switches with Autoreset
4
_______________________________________________________________________________________
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
= -40°C to +85°C
,
unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Turn-On Delay
t
ON
R
OUT_
= 10
Ω, C
OUT_
= 1µF, does not
include rise time (from ON asserted to
V
OUT_
= 10% V
IN_
)
0.5
4.0
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_
)
1000
µs
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
50
mA
Autorestart Threshold
In latched-off state, rising
0.4
0.6
V
Autorestart Delay
In latched-off state, V
OUT_
> 1V
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.
CURRENT-LIMIT PROGRAM vs. R
ISET
MAX1558/58H toc01
R
ISET
(k
Ω)
CURRENT LIMIT (A)
40
48
52
56
44
28
36
32
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
1.6
0.5
24
60
QUIESCENT SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX1558/58H toc02
SUPPLY VOLTAGE (V)
QUIESCENT CURRENT (
µ
A)
5
4
3
2
1
10
20
30
40
50
60
0
0
6
QUIESCENT CURRENT vs. TEMPERATURE
MAX1558/58H toc03
TEMPERATURE (
°C)
QUIESCENT CURRENT (
µ
A)
60
35
10
-15
35
40
45
50
30
-40
85
V
IN_
= 5.5V
V
IN_
= 4.5V
V
IN_
= 5V