MIC5512 Datasheet, PDF (4/12 Pages) Micrel Semiconductor – Single 300mA LDO

Micrel, Inc.
Typical Characteristics
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
1100
Power Supply
Rejection Ratio
I_OUT = 100mA
I_OUT = 300mA
C_OUT = 1µF
C_IN = 1µF
V_IN = 3.8V
V_OUT = 2.8V
100 1,010k0 101,00k00 1010,00k00 1,0010M,000
FREQUENCY (Hz)
Ground Current
vs. Supply Voltage
50
300mA
45
40
35
100µA
30
V_EN = V_IN
25
V_OUT = 3.3V
C_IN = C_OUT = 1µF
20
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
3.50
3.45
3.40
3.35
3.30
3.25
3.20
3.15
3.10
0
Output Voltage
vs. Output Current
V_IN = V_EN = V_OUT+ 1V
V_OUT = 3.3V
C_IN = C_OUT = 1µF
50 100 150 200 250 300
OUTPUT CURRENT (mA)
MIC5512/14
160
140
120
100
80
60
40
20
0
0
Dropout Voltage
vs. Output Current
V_OUT = 3.3V
C_IN = C_OUT = 1µF
50 100 150 200 250 300
OUTPUT CURRENT (mA)
46
45
44
43
42
41
40
39
38
37
36
0
Ground Current
vs. Load Current
V_IN = V_EN = V_OUT + 1V
V_OUT = 3.3V
C_IN = C_OUT = 1µF
50
100 150 200 250 300
LOAD CURRENT (mA)
Output Voltage
vs. Supply Voltage
3.5
3.4
3.3 _50mA
3.2
3.1
3.0
150mA
2.9
2.8
2.7
300mA
V_IN = V_EN
V_OUT = 3.3V
2.6
C_IN = C_OUT = 1µF
2.5
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
Dropout Voltage
vs.Temperature
200
180
300mA
160
140
V_OUT = 3.3V
120
C_IN = C_OUT = 1µF
100
150mA
80
60
50mA
40
20
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE (°C)
50
48
46
44
42
40
38
36
34
32
30
-40 -20
Ground Current
vs. Temperature
300mA
150mA
50mA
100µA
V_IN = V_EN = V_OUT + 1V
V_OUT = 3.3V
C_IN = C_OUT = 1µF
0 20 40 60 80 100 120
TEMPERATURE (°C)
Output Voltage
vs. Temperature
3.50
3.45
3.40
3.35
300mA
3.30
3.25
3.20
-40 -20
150mA
V_IN = V_OUT+ 1V
V_OUT = 3.3V
C_IN = C_OUT = 1µF
0 20 40 60 80 100 120
TEMPERATURE (°C)
April 8, 2013
4
Revision 1.1