Micrel, Inc.
MIC2807
Typical Characteristics (LDO1/LDO2)
35
30
25
20
15
10
5
0
3
6
V
OUT
= 2.8V
9 12 15 18 21 24 27 30
OUTPUT CURRENT (mA)
LDO2 Dropout Voltage
vs. Output Current
LDO2 Load Regulation
2.808
2.810
LDO2 Line Regulation
2.806
2.805
2.804
2.800
2.802
V
IN
= 3.6V
C
OUT
= 1µF
5
10 15 20 25 30
OUTPUT CURRENT (mA)
2.795
I
OUT
= 15mA
C
OUT
= 1µF
2.800
0
2.790
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
90
80
70
60
50
40
30
Power Supply Rejection
Ratio LDO2 [I
OUT
=20mA]
100
90
80
70
60
50
40
Power Supply Rejection
Ratio LDO2 [I
OUT
=1mA]
65
LDO1 Dropout Voltage
vs. Temperature
60
55
V
IN
= 3.6V
20 V
OUT
= 2.8V
10 I
OUT
= 20mA
C
OUT
= 1µF
0
0.01 0.1
1
10
100
FREQUENCY (kHz)
1000
30 V
IN
= 3.6V
20 V
OUT
= 2.8V
I
OUT
= 1mA
10 C
OUT
= 1µF
0
0.01 0.1
1
10
100
FREQUENCY (kHz)
50
1000
45
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
V
IN
= 3.6V
V
OUT
= 2.8V
I
OUT
= 150mA
250
240
230
220
210
200
0
LDO1 Ground Current
vs. Output Current
310
290
270
250
230
210
190
LDO1 Ground Current
vs. Temperature
LDO1 Line Regulation
2.81
2.80
2.79
2.78
V
IN
= 3.6V
V
OUT
= 2.8V
30
60
90
120 150
OUTPUT CURRENT (mA)
170
150
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
V
IN
= 3.6V
V
OUT
= 2.8V
I
OUT
= 150mA
2.77
2.76
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
I
OUT
= 100mA
C
OUT
= 2.2µF
90
80
70
60
50
40
30
Power Supply Rejection
Ratio LDO1 [I
OUT
=5mA]
100
90
80
70
60
50
40
30
Power Supply Rejection
Ratio LDO1 [I
OUT
=100mA]
80
70
60
50
40
30
20
10
LDO1 Dropout Voltage
vs. Output Current
V
IN
= 3.6V
20 V
OUT
= 2.8V
10 I
OUT
= 5mA
C
OUT
= 2.2µF
0
0.01 0.1
1
10
100
FREQUENCY (kHz)
1000
20 V
IN
= 3.6V
V
= 2.8V
10 C
OUT
= 2.2µF
OUT
0
0.1
1
10
100
FREQUENCY (kHz)
1000
0
5
V
OUT
= 2.8V
45
85
125 165 205
OUTPUT CURRENT (mA)
February 2008
8
M9999-022008-B
MICREL [ MICREL SEMICONDUCTOR ]
