MIC5238 Micrel Semiconductor, MIC5238 Datasheet - Page 3
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MIC5238
Manufacturer Part Number
MIC5238
Description
Ultra-Low Quiescent Current/ 150mA Cap LDO Regulator
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC5238.pdf
(10 pages)
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Absolute Maximum Ratings
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 A HBM, Note 3
Electrical Characteristics
T
Parameter
Output Voltage Accuracy
Line Regulation
Input Line Regulation
Load Regulation
Dropout Voltage
BIAS Current, Note 6
Input Current, Pin 1
Ground Current in Shutdown
Short Circuit Current
Reverse Leakage
Enable Input
Input Low Voltage
Input High Voltage
Enable Input Current
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
Note 7.
August 2003
MIC5238
A
= 25 C with V
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.
Line regulation measures a change in output voltage due to a change in the bias voltage.
Current measured from bias input to ground.
Current differential between output current and main input current at rated load current.
IN
= V
OUT
+ 1V; V
BIAS
= 3.3V; I
Condition
Variation from nominal V
V
V
Load = 100 A to 150mA
I
I
I
I
I
I
I
I
I
V
V
V
V
Regulator OFF
Regulator ON
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
BIAS
IN
EN
EN
OUT
IN
EN
EN
(Note 4)
= (V
= 0V; V
= 0V; V
= 0.2V; Regulator OFF
= 2.0V; Regulator ON
= 100 A
= 50mA
= 100mA
= 150mA
= 100 A
= 100 A
= 50mA, Note 7
= 100mA
= 150mA
= 0V
= 2.3V to 6V, Note 5
0.2V; V
(Note 1)
OUT
OUT
EN
= 100 A; V
IN
+ 1V) to 6V
IN
= 6V; V
= 0V; V
= 6V; V
EN
BIAS
OUT
BIAS
OUT
= 2V, Bold values indicate –40 C < T
= nom V
= 6V
= 6V
3
Operating Ratings
Input Supply Voltage .......................................... 1.5V to 6V
BIAS Supply Voltage .......................................... 2.3V to 6V
Enable Input Voltage ............................................. 0V to 6V
Junction Temperature (T
Package Thermal Resistance
OUT
SOT-23-5
JA
) .................................................. 235 C/W
J
< +125 C; unless otherwise specified.
J
) ....................... –40 C to +125 C
(Note 2)
Min.
–1.5
–1.0
2.0
–2
Typ.
0.25
0.04
0.35
0.01
230
270
310
350
0.7
1.5
0.5
0.1
50
23
7
1
2
5
Max.
+1.5
300
400
450
500
500
0.5
2.5
0.2
1.0
1.0
+2
20
1
5
MIC5238
Micrel
Units
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
%
%
%
%
%
V
V
A
A
A
A
A
A
A