参数资料
| 型号： | MAX892LEUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC SW P-CH HS 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 420 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 250mA |
| 输入电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
Current-Limited, High-Side
P-Channel Switches with Thermal Shutdown
ABSOLUTE MAXIMUM RATINGS
IN to GND ..................................................................-0.3V to 6V
ON, FAULT to GND.................................................... -0.3V to 6V
SET, OUT to GND ........................................-0.3V to (V IN + 0.3V)
Maximum Continuous Switch Current
MAX891L ..........................................................................0.75A
MAX892L ........................................................................0.375A
Continuous Power Dissipation (T A = +70°C)
μMAX (derate 4.1mW/°C above +70°C) .......................330mW
Operating Temperature Range
MAX891LEUA/MAX892LEUA ............................-40°C to +85°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (soldering, 10sec) ........................... +300°C
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.
ELECTRICAL CHARACTERISTICS
(V IN = 3V, T A = 0°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Operating Voltage
Quiescent Current
Off-Supply Current
Off-Switch Current
CONDITIONS
V IN = 5V, ON = GND, I OUT = 0mA
ON = IN, V IN = V OUT = 5.5V
ON = IN, V IN = 5.5V, V OUT = 0V
MIN
2.7
TYP
13
0.02
0.02
MAX
5.5
20
1
3
UNITS
V
μA
μA
μA
Undervoltage Lockout
On-Resistance
Rising edge, 1% hysteresis
V IN = 4.5V
V IN = 3.0V
MAX891L
MAX892L
MAX891L
MAX892L
2.0
2.3
120
250
150
300
2.6
225
420
300
500
V
m ?
m ?
Current-Limit-Amplifier Accuracy
Maximum Output Current
V SET required to turn the switch off (Note 1)
MAX891L
MAX892L
1.178
1.240
500
250
1.302
V
mA
I OUT to I SET Current Ratio
V OUT = 1.6V to 2.8V
MAX891L, I OUT = 250mA
MAX892L, I OUT = 125mA
840
840
965
965
1130
1130
A/A
ON Input Low Voltage
ON Input High Voltage
V IN = 2.7V to 5.5V
V IN = 2.7V to 3.6V
V IN = 4.5V to 5.5V
2.0
2.4
0.8
V
V
ON Input Leakage
I SET Bias Current
FAULT Logic Output Low Voltage
V ON = 5.5V
V SET = 1.24V, I OUT = 0mA
I SINK = 1mA, V SET = 1.4V
-1
0.01
0.5
1
3
0.4
μA
μA
V
FAULT Logic Output High Leakage V FAULT = 5.5V, V SET = 1V
0.05
1
μA
Slow-Current-Loop Response Time
Fast-Current-Loop Response Time
20% current overdrive, V IN = 5V
5
2
μs
μs
Turn-On Time
Turn-Off Time
I OUT = 250mA (MAX891L), or 125mA
(MAX892L)
V IN = 5V
V IN = 5V
V IN = 3V
0.8
100
150
2
200
20
μs
μs
2
_______________________________________________________________________________________
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