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MIC2098 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC2098
Description  Current-Limiting Power Distribution Switches
PDF  25 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2098 Datasheet(HTML) 5 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2095/97/98/99
September 2010
5
M9999-092010-C
Electrical Characteristics (Continued)
VIN = 5V; CIN = 1µF TA = 25°C unless noted, bold values indicate –40°C≤ TA ≤ +85°C.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
Internal Switch
170
220
mΩ
RDS(ON)
On Resistance
VIN = 5V, IOUT = 100mA
275
mΩ
ILEAK
Output Leakage Current
Switch = OFF, VOUT = 0V
Active Low Enable, VEN = 1.5V
Active High Enable, VEN = 0V
0.1
10
µA
Output Current Limit (MIC2095)
ILIMIT
Fixed Current Limit
VOUT = 0.8 × VIN
0.5
0.7
0.9
A
Output Current Limit (MIC2098)
ILIMIT
Fixed Current Limit
VOUT = 0.8 × VIN
0.9
1.1
1.5
A
Output Current Limit (MIC2097, MIC2099)
IOUT = 1.1A, VOUT = 0.8 × VIN; VIN =2.5V
175
215
263
V
IOUT = 0.5A, VOUT = 0.8 × VIN; VIN =2.5V
152
206
263
V
IOUT = 0.2A, VOUT = 0.8 × VIN; VIN =2.5V
138
200
263
V
CLF
Variable Current Limit
Factors
IOUT = 0.1A, VOUT = 0.8 × VIN; VIN =2.5V
121
192
263
V
Kickstart
TM Current Limit (MIC2097)
ILIMIT_2nd
Secondary Current Limit
VIN = 2.5V; VOUT = 0V
1.5
A
tD_LIMIT
Duration of Kickstart
TM
Current Limit
VIN = 2.5V
77
105
192
ms
Fault Flag
Fault Flag Output Voltage
IOL = 10mA
0.25
0.4
V
VFAULT/
Fault Flag Off Current
VFAULT/ =5V
0.01
1
µA
Fault Delay (MIC2095, MIC2098, MIC2099)
tD_FAULT
Delay before asserting or
releasing FAULT/
Time from current limiting (VOUT = 0.4 x
VIN) to FAULT/ state change
20
32
49
ms
Fault Delay (MIC2097)
tD_FAULT
Delay before asserting or
releasing FAULT/
Time from current limiting (VOUT = 0.8 x
VIN) to FAULT/ state change; VIN = 2.5V
77
105
192
ms
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
4. Specifications for packaged product only.
5. Check the Ordering Information section to determine which parts are Active High or Active Low.
6. Requires proper thermal mounting to achieve this performance.



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