參數(shù)資料
型號(hào)： MAX1558
廠商： Maxim Integrated Products, Inc.
英文描述： Dual, 3mm x 3mm, 1.2A/Programmable-Current USB Switches with Autoreset
中文描述： 雙路、3mm x 3mm、1.2A/可編程電流USB開關(guān)，帶有自動(dòng)復(fù)位功能
文件頁數(shù)： 2/12頁
文件大?。?/td> 214K
代理商： MAX1558
M
Dual, 3mm x 3mm, 1.2A/Programmable-Current
US B S witc hes with Autoreset
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN_, ON_, OUT_, ISET,
FLT_
to GND........................-0.3V to +6V
IN_ to OUT_ (when disabled) (Note 1)........................-6V to +6V
IN_ to OUT_ (when enabled) (Note 2)............-1.6A to +1.6A
RMS
FLT_
Sink Current................................................................20mA
ELECTRICAL CHARACTERISTICS
(V
INA
= V
INB
= 5V, V
ONA
= V
ONB
= 0V (MAX1558), V
ONA
= V
ONB
= 5V (MAX1558H), R
ISET
= 26k
to GND,
T
A
= 0°C to +85°C
,
unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 3)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70°C)
10-Pin TDFN 3mm x 3mm
(derate 24.4mW/
°
C above +70
°
C).............................1952mW
Operating Temperature Range ...........................-40°C to +85°C
J unction Temperature......................................................+160°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
2.75
TYP
MAX
5.50
75
UNITS
V
Supply Voltage Range
V
IN_
= 5V, T
A
= +25
°
C
V
IN_
= 3.3V, T
A
= +25
°
C
V
IN_
= 4.4V, T
A
= 0
°
C to +85
°
C
Both switches disabled
Both switches enabled
55
64
Switch On-Resistance
R
ON
105
6
75
10
m
Standby Supply Current
Quiescent Supply Current
3
45
0.03
0.03
μA
μA
V
OUTA
= V
OUTB
= 0V
V
OUTA
= V
OUTB
= 5V
OUT_ Off-Leakage Current
Switches disabled
μA
Reverse Leakage Current
V
IN_
= 0V, V
OUTA
= V
OUTB
= 5V, both
switches disabled
0.03
μA
Undervoltage-Lockout Threshold
Continuous Load Current
V
UVLO
Rising edge, 3% hysteresis
R
ISET
= 26k
2.3
1.2
1.20
0.80
0.50
1.45
2.5
2.7
V
A
R
ISET
= 26k
R
ISET
= 39k
R
ISET
= 60k
R
ISET
= 26k
R
ISET
= 39k
R
ISET
= 60k
R
ISET
= 26k
R
ISET
= 39k
R
ISET
= 60k
1.4
0.925
0.6
2.0
1.40
0.90
0.55
0.37
0.23
1.60
1.05
0.70
2.60
Current-Limit Threshold
V
IN_
- V
OUT_
=
0.5V
A
Peak Short-Circuit Current Limit
I
SHORT
V
OUT_
= 0V
(I
OUT_
pulsing)
A
(PEAK)
RMS Short-Circuit Current Limit
I
SHORT
V
OUT_
= 0V
(I
OUT_
pulsing)
A
RMS
Short-Circuit Continuous Current-
Limit Transition Threshold
(Note 4)
1
V
Fault-Blanking Timeout Period
From I
LIMIT
condition to 50% of V
FLT_
R
OUT_
= 10
, C
OUT_
= 1μF, does not
include rise time (from ON asserted to
V
OUT_
= 10% V
IN_
)
8
20
40
ms
Turn-On Delay
t
ON
0.5
1.4
4.0
ms
Note 1:
Reverse current (current from OUT_ to IN_) is blocked when disabled.
Note 2:
Forward current (current from IN_ to OUT_) is internally limited. Reverse current, from OUT_ to IN_, is not limited when the
device is enabled and must be kept below 1.5A
RMS
to prevent permanent device damage. When the MAX1558/MAX1558H
are disabled, the switch turns off and reverse current is internally blocked.
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