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参数资料
| 型号： | MIC2090-2YM5 TR |
| 厂商： | Micrel Inc |
| 文件页数： | 4/23页 |
| 文件大小： | 0K |
| 描述： | IC DISTRIB SWITCH 50MA SOT23-5 |
| 标准包装： | 1 |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 1.2 欧姆 |
| 内部开关： | 是 |
| 电流限制： | 75mA |
| 输入电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 其它名称： | 576-3964-6 |
Micrel, Inc.
Electrical Characteristics (4) (Continued)
V IN = 5V; T A = 25 ° C, bold values indicate –40 ° C ≤ T A ≤ + 85 ° C, unless noted.
MIC2090/MIC2091
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
Output to Input Leakage
Current (Reverse Leakage
Current)
MIC2090 and MIC2091, V EN ≤ 0.5V, (output
off), V OUT = 5.5V, V IN = 0V
10
μA
Current Limit
MIC2090 @ V OUT = 4.5V
50
75
100
I LIMIT
Current-Limit Threshold
MIC2090 @ V OUT = 0V
MIC2091 @ V OUT = 4.5V
50
100
100
150
150
200
mA
MIC2091 @ V OUT = 0V
100
175
250
t SC_RESP
Short-Circuit Response
Time
Short circuit applied to output after switch is
turned on, see “Timing Diagrams”. V IN = 3.3V.
20
ns
Time After Switch Shuts
T AUTORESTART
Down From An Over-
Current Condition Before
30
60
90
ms
It Tries To Turn On Again.
FAULT/ Flag
Error Flag Output Voltage
Output voltage high (1mA Sinking)
0.4
V
When an over-current condition happens, the
t D_FAULT/
Time After Switch Comes
Into Current Limit Before
The PIN FAULT/ Is Pulled
Low.
part will go into constant output current for this
time. After this time it will turn off the output
and pull low the PIN FAULT/. The MIC2090-1
and MIC2091-1 will automatically restart
themselves after the auto restart time
5
10
20
ms
T AUTORESTART .
t R_FAULT/
t F_FAULT/
FAULT/ Rising Time
FAULT/ Falling Time
FAULT/ is connected to V IN = 5V through 10k ?
and 100pF in parallel. See “Timing Diagrams”
5
1
μs
μs
Reverse Voltage Protection (OGI)
OGI
Output Voltage Greater
Than Input Voltage (OGI)
If the output voltage is greater than the input
voltage by this amount, the part will shut down.
The enable pin must be recycled to reset.
85
mV
Time that the output voltage can be greater
OGI TIME
than the input voltage before the chip is shut
down.
10
ms
Thermal Protection
T OVERTEMP
Over-Temperature
Shutdown
T J Rising
T J Falling
150
140
° C
Notes:
1.
2.
3.
4.
5.
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.
Specification for packaged product only.
V IL(MAX) = Maximum positive voltage applied to the input which will be accepted by the device as a logic low.
V IH(MIN) = Minimum positive voltage applied to the input which will be accepted by the device as a logic high.
July 2011
4
M9999-070611-B
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| MIC2091-2YM5 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:Current Limiting Power Distribution Switches |
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