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参数资料
| 型号： | MIC2537-2BM |
| 厂商： | Micrel Inc |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC USB SWITCH QUAD 16-SOIC |
| 标准包装： | 48 |
| 类型： | USB 开关 |
| 输出数： | 4 |
| Rds（开）： | 700 毫欧 |
| 内部开关： | 是 |
| 电流限制： | 250mA |
| 输入电压： | 3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
MIC2537
Absolute Maximum Ratings (Note 1)
Supply Voltage (V IN ) .....................................................+6V
Fault Flag Voltage (V FLG ) .............................................. +6V
Fault Flag Current (I FLG ) ............................................ 25mA
Output Voltage (V OUT ) .................................................. +6V
Output Current (I OUT ) ............................... Internally Limited
Control Input (V EN ) ......................................... – 0.3V to 12V
Storage Temperature (T S ) ....................... – 65 ° C to +150 ° C
Lead Temperature (Soldering 5 sec.) ....................... 260 ° C
ESD Rating, Note 3 ....................................................... 2kV
Electrical Characteristics
V IN = +5V; T A = 25 ° C; unless noted.
Micrel
Operating Ratings (Note 2)
Supply Voltage (V IN ) ...................................... +3V to +5.5V
Ambient Operating Temperature (T A ) ........ – 40 ° C to +85 ° C
Thermal Resistance
SOP ( θ JA ) .......................................................... 120 ° C/W
Parameter
Supply Current
Enable Input Threshold
Enable Input Current
Condition
Note 4 , switch off, OUTA – D = open
Note 4 , all switches on, OUTA – D = open
low-to-high transition
high-to-low transition, Note 4
V EN = V OH(min) = 2.4V
V EN = V OL(max) = 0.8V
Min
0.8
Typ
0.75
70
1.8
1.6
0.01
0.01
Max
5
100
2.4
1
1
Units
μ A
μ A
V
V
μ A
μ A
Enable Input Capacitance
1
pF
Switch Resistance
Output Turn-On Delay
single switch, 100mA load
R L = 50 ? , C L = 1 μ F, Note 5
425
0.51
700
m ?
ms
Output Turn-On Rise Time
R L = 50 ? , C L = 1 μ F, Note 5
0.2
0.5
ms
Output Turnoff Delay
Output Turnoff Fall Time
Output Leakage Current
Current Limit Threshold
Continuous Load Current
R L = 50 ? , C L = 1 μ F, Note 5
R L = 50 ? , C L = 1 μ F, Note 5
each output (switch off)
ramped load applied to enable output, Note 6
each output, FLG not active
100
150
148
1
300
300
300
10
500
μ s
μ s
μ A
mA
mA
Short Circuit Current Limit
Overtemperature Shutdown
Threshold
Error Flag Output Resistance
each output (enabled into load), V OUT = 4.0V
T J increasing
T J decreasing
V IN = 5V, I L = 10mA
150
250
135
125
10
400
mA
° C
° C
?
V IN = 3.3V, I L = 10mA
12
?
Error Flag Off Current
V FLAG = 5V
0.01
1
μ A
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k ? in series with 100pF.
Off is ≤ 0.8V and on is ≥ 2.4V for the MIC2537-1. Off is ≥ 2.4V and on is ≤ 0.8V for the MIC2537-2. The enable input has approximately
200mV of hysteresis. See control threshold charts.
See “ Timing Diagrams. ”
See “ Functional Characteristics: Current-Limit Response ” graph.
December 1999
3
MIC2537
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