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MIC5238 数据表(PDF) 3 Page - Micrel Semiconductor

部件名 MIC5238
功能描述  Ultra-Low Quiescent Current, 150mA uCap LDO Regulator
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制造商  MICREL [Micrel Semiconductor]
网页  http://www.micrel.com
标志 MICREL - Micrel Semiconductor

MIC5238 数据表(HTML) 3 Page - Micrel Semiconductor

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August 2003
3
MIC5238
MIC5238
Micrel
Electrical Characteristics (Note 4)
T
A = 25°C with VIN = VOUT + 1V; VBIAS = 3.3V; IOUT = 100µA; VEN = 2V, Bold values indicate –40°C<TJ < +125°C; unless otherwise specified.
Parameter
Condition
Min.
Typ.
Max.
Units
Output Voltage Accuracy
Variation from nominal V
OUT
–1.5
+1.5
%
–2+2
%
Line Regulation
V
BIAS = 2.3V to 6V, Note 5
0.25
0.5
%
Input Line Regulation
V
IN = (VOUT + 1V) to 6V
0.04
%
Load Regulation
Load = 100
µA to 150mA
0.7
1
%
Dropout Voltage
I
OUT = 100µA50
mV
I
OUT = 50mA
230
300
mV
400
mV
I
OUT = 100mA
270
mV
mV
I
OUT = 150mA
310
450
mV
500
mV
BIAS Current, Note 6
I
OUT = 100µA23
µA
Input Current, Pin 1
I
OUT = 100µA7
20
µA
I
OUT = 50mA, Note 7
0.35
mA
I
OUT = 100mA
1
mA
I
OUT = 150mA
2
2.5
mA
Ground Current in Shutdown
V
EN ≤ 0.2V; VIN = 6V; VBIAS = 6V
1.5
5
µA
V
EN = 0V; VIN = 6V; VBIAS = 6V
0.5
µA
Short Circuit Current
V
OUT = 0V
350
500
mA
Reverse Leakage
V
IN = 0V; VEN = 0V; VOUT = nom VOUT
5
µA
Enable Input
Input Low Voltage
Regulator OFF
0.2
V
Input High Voltage
Regulator ON
2.0
V
Enable Input Current
V
EN = 0.2V; Regulator OFF
–1.0
0.01
1.0
µA
V
EN = 2.0V; Regulator ON
0.1
1.0
µA
Note 1.
Exceeding the absolute maximum rating may damage the device.
Note 2.
The device is not guaranteed to function outside its operating rating.
Note 3.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Note 4.
Specification for packaged product only.
Note 5.
Line regulation measures a change in output voltage due to a change in the bias voltage.
Note 6.
Current measured from bias input to ground.
Note 7.
Current differential between output current and main input current at rated load current.
Absolute Maximum Ratings (Note 1)
Input Supply Voltage ........................................ –0.3V to 7V
BIAS Supply Voltage ........................................ –0.3V to 7V
Enable Input Voltage ........................................ –0.3V to 7V
Power Dissipation .................................... Internally Limited
Junction Temperature .............................. –40
°C to +125°C
Storage Temperature ............................... –65
°C to +150°C
ESD Rating, >1.5
µA HBM, Note 3
Operating Ratings (Note 2)
Input Supply Voltage .......................................... 1.5V to 6V
BIAS Supply Voltage .......................................... 2.3V to 6V
Enable Input Voltage ............................................. 0V to 6V
Junction Temperature (T
J) ....................... –40°C to +125°C
Package Thermal Resistance
SOT-23-5
JA) .................................................. 235°C/W


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