参数资料
| 型号： | MAX893LESA+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-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 高端 |
| 输入类型： | 非反相 |
| 输出数： | 1 |
| 导通状态电阻： | 70 毫欧 |
| 电流 - 输出 / 通道： | 1.2A |
| 电流 - 峰值输出： | 1.8A |
| 电源电压： | 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-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
1.2A, Current-Limited, High-Side
P-Channel Switch 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 Short-Circuit Switch Current .............2.0A
Operating Temperature Range
MAX893LESA ...................................................-40°C to +85°C
Storage Temperature Range ........................... -65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Continuous Power Dissipation (T A = +70°C)
SO (derate 5.88mW/°C above +70°C) .........................471mW
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
Undervoltage Lockout
On-Resistance
Current-Limit-Amplifier Threshold
CONDITIONS
V IN = 5V, ON = GND, I OUT = 0
ON = IN, V IN = V OUT = 5.5V
ON = IN, V IN = 5.5V, V OUT = 0
Rising edge, 1% hysteresis
V IN = 4.5V
V IN = 3.0V
V SET required to turn the switch off (Note 1)
MIN
2.7
2.0
1.178
TYP
13
0.03
0.04
2.4
70
88
1.240
MAX
5.5
20
1
15
2.6
125
160
1.302
UNITS
V
μA
μA
μA
V
m ?
V
Maximum Programmable Continuous
Output Current Limit
Short-Circuit Current
1.2
1.8
A
A
I OUT to I SET Current Ratio
I OUT = 500mA, V OUT > 1.6V
920
1080
1250
A/A
ON Input Voltage Low
ON Input Voltage High
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 Current
I SET Bias Current
FAULT Logic Output Voltage Low
FAULT Logic Output High Leakage Current
Slow Current-Loop Response Time
Fast Current-Loop Response Time
Turn-On Time
V ON = 5.5V
V SET = 1.24V, I OUT = 0; V IN = V OUT
I SINK = 1mA, V SET = 1.4V
V FAULT = 5.5V, V SET = 1V
20% current overdrive, V IN = 5V
V IN = 5V, I OUT = 500mA
V IN = 3V, I OUT = 500mA
0.01
0.5
0.05
5
2
80
115
1
3
0.4
1
200
μA
μA
V
μA
μs
μs
μs
Turn-Off Time
V IN = 5V, I OUT = 500mA
2
4
μs
2
_______________________________________________________________________________________
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