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参数资料
| 型号： | MAX1558ETB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/14页 |
| 文件大小： | 0K |
| 描述： | IC CURR-LIM SW DUAL PROG 10-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | USB |
| 接口： | USB |
| 电源电压： | 2.75 V ~ 5.5 V |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
MAX1558/MAX1558H
Dual, 3mm x 3mm, 1.2A/Programmable-Current
USB Switches with Autoreset
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VINA = VINB = 5V, VONA = VONB = 0V (MAX1558), VONA = VONB = 5V (MAX1558H), RISET = 26k
Ω to GND, TA = 0°C to +85°C,
unless otherwise noted. Typical values are at TA = +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.
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 +1.6ARMS
FLT_ Sink Current................................................................20mA
Continuous Power Dissipation (TA = +70°C)
10-Pin TDFN 3mm x 3mm
(derate 24.4mW/
°C above +70°C).............................1952mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+160°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range
2.75
5.50
V
VIN_ = 5V, TA = +25
°C55
75
VIN_ = 3.3V, TA = +25
°C64
Switch On-Resistance
RON
VIN_ = 4.4V, TA = 0
°C to +85°C
105
m
Ω
Standby Supply Current
Both switches disabled
3
6
A
Quiescent Supply Current
Both switches enabled
45
75
A
VOUTA = VOUTB = 0V
0.03
10
OUT_ Off-Leakage Current
Switches disabled
VOUTA = VOUTB = 5V
0.03
A
Reverse Leakage Current
VIN_ = 0V, VOUTA = VOUTB = 5V, both
switches disabled
0.03
A
Undervoltage-Lockout Threshold
VUVLO
Rising edge, 3% hysteresis
2.3
2.5
2.7
V
Continuous Load Current
RISET = 26k
Ω
1.2
A
RISET = 26k
Ω
1.20
1.4
1.60
RISET = 39k
Ω
0.80
0.925
1.05
Current-Limit Threshold
VIN_ - VOUT_ =
0.5V
RISET = 60k
Ω
0.50
0.6
0.70
A
RISET = 26k
Ω
1.45
2.0
2.60
RISET = 39k
Ω
1.40
Peak Short-Circuit Current Limit
ISHORT
VOUT_ = 0V
(IOUT_ pulsing)
RISET = 60k
Ω
0.90
A(PEAK)
RISET = 26k
Ω
0.55
RISET = 39k
Ω
0.37
RMS Short-Circuit Current Limit
ISHORT
VOUT_ = 0V
(IOUT_ pulsing)
RISET = 60k
Ω
0.23
ARMS
Short-Circuit Continuous Current-
Limit Transition Threshold
(Note 4)
1
V
Fault-Blanking Timeout Period
From ILIMIT condition to 50% of V FLT_
820
40
ms
Turn-On Delay
tON
ROUT_ = 10
Ω, COUT_ = 1F, does not
include rise time (from ON asserted to
VOUT_ = 10% VIN_)
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 1.5ARMS 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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