MP2009-ULTRA LOW NOISE, LOW DROPOUT,120mA LINEAR REGULATOR
TYPICAL PERFORMANCE CHARACTERISTICS
VIN=2.3V, VOUT=1.8V, CIN=1µF, COUT=1µF, EN=2.3V, Typical Value at TA = 25°C unless otherwise
specified.
V
vs. V
Load Regulation
Voltage Accuracy vs.
Temperature
IN
OUT
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.25
0.20
0.15
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.20
-0.25
0.4
0.2
0.0
Io=0mA
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
Io=120mA
0
1
2
3
4
5
6
0
20 40 60 80 100 120
OUTPUT CURRENT (mA)
-20
0
20
40
60
85
INPUT VOLTAGE(V)
Dropout Voltage vs.
Output Current
Ground Pin Current
vs. V
Ground Pin Current vs.
Output Current
IN
300
250
200
150
100
50
300
250
200
150
100
50
400
350
300
250
200
150
100
50
Io=120mA
Io=0mA
0
0
0
0
20 40 60 80 100 120
LOAD CURRENT (mA)
0
1
2
3
4
5
6
0
20 40 60 80 100 120
LOAD CURRENT(mA)
VIN (V)
PSRR vs. Frequency
Region of Stable Cout ESR
vs. Load Current
Ground Pin Current vs.
Temperature
I
=10mA
OUT
90
1000
100
10
80
70
60
50
40
30
80
70
60
50
40
30
20
10
0
UNSTABLE REGION
1
STABLE REGION
0.1
0.01
10
100
1000 10000 100000 1000000
0
20 40
60 80 100 120
-20
0
20
40
60
85
FREQUENCY(Hz)
LOAD CURRENT(mA)
MP2009 Rev. 1.2
12/18/2013
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