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MIC37300_09 Datasheet, PDF (7/13 Pages) Micrel Semiconductor – 3.0A, Low-Voltage μCap LDO Regulator
Micrel, Inc.
Typical Characteristics (continued)
Ground Current
vs. Supply Voltage (3.3V)
1.4
1.2
1
0.8
100mA
0.6
0.4
0.2
10mA
00
1
2
3
4
5
SUPPLY VOLTAGE (V)
Ground Current
vs. Supply Voltage (3.3V)
70
60
50
3A
40
30
20
2A
10
1A
00
1
2
3
4
5
SUPPLY VOLTAGE (V)
Ground Current
vs. Temperature
14
12
10
2 .5 VO U T
8
6
4
2 IOUT =1.5A
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Short-Circuit Current
vs. Supply Voltage
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
2.25 3 3.75 4.5 5.25 6
SUPPLY VOLTAGE (V)
Flag Low Voltage
vs. Temperature
400
350
300
250
200
150
100
50
Flag Current = 250µA
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Ground Current
vs. Temperature
45
40
35
2 .5 VO U T
30
25
20
15
10
5 IOUT =3A
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Short-Circuit Current
vs. Temperature
6
5
4
2.5VIN
3
2
1
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Error Flag Pull-Up Resistor
6
Flag High (OK)
5
4
3
2
Flag Low (FAULT)
1
VIN = 5V
0
0.01 0.1 1
10 100 1000 10000
October 2009
7
MIC37300/01/02/03
Ground Current
vs. Temperature
0.4
0.35
2 .5 VO U T
0.3
0.25
0.2
0.15
0.1
0.05 IOUT =10mA
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Output Voltage
vs. Temperature
2.6
2.55
2.5
2 .5 VO U T
2.45
2.4
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Flag Voltage
vs. Flag Current
1.0
0.8
5VIN
0.6
3.3VIN
0.4
2.5VIN
0.2
0
0 0.5 1 1.5 2 2.5 3 3.5 4
FLAG CURRENT (mA)
Enable Current
vs. Temperature
16
14
12
10
8
6
4
2.5VE N
2
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
M9999-102909