TM
MP2000 – LOW INPUT VOLTAGE, 150mA LINEAR REGULATOR
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 1.8V, V
OUT
= 1.2V, C1 = 2.2µF, C3 = 4.7µF, T
A
= +25°C unless otherwise noted.
3.5
3.0
2.5
I
GND
vs V
IN
I
LOAD
= 150mA
3.0
2.5
I
GND
vs I
LOAD
I
GND
(mA)
2.0
1.5
1.0
0.5
0
0
2
I
LOAD
= 1mA
4
V
IN
(V)
6
8
MP2000-TPC01
I
GND
(mA)
2.0
1.5
1.0
0.5
0
V
IN
=3.3V
V
IN
=1.8V
V
IN
=5.0V
0
20 40 60 80 100 120 140 160
I
LOAD
(mA)
MP2000-TPC02
1.220
1.215
1.210
1.205
1.200
1.195
1.190
V
OUT
vs. V
IN
I
LOAD
= 1mA
0.35
0.30
V
DROPOUT
vs I
LOAD
V
DROPOUT
(V)
I
LOAD
= 150mA
0
2
4
V
IN
(V)
6
8
0.25
0.20
0.15
0.10
0.05
0
0
V
OUT
=1.2V
50
100
I
LOAD
(mA)
150
MP2000-TPC04
V
OUT
(V)
MP2000-TPC03
Load-Transient Response
Circuit of Figure 2
80
60
1.2V
PSRR vs Frequency
V
IN
= 2.5V, V
OUT
= 1.0V, I
LOAD
= 10mA
PSRR (dB)
V
OUT
(50mV/div.)
40
20
0
-20
100
100mA
50mA
I
LOAD
(50mA/div.)
MP2000-TPC05
1K
10K
FREQUENCY (Hz)
100K
MP2000-TPC06
MP2000 Rev. 0.92
3/2/2006
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