MP20043 –DUAL-CHANNEL, 300mA LDO WITH PROGRAMMABLE OUTPUT VOLTAGE
TYPICAL PERFORMANCE CHARACTERISTICS
Test Combination A, VIN = 3.7V, P1 Open, P2 Open (VOUT1=2.8V, VOUT2=3.3V), CIN = COUT1
OUT2=1μF, EN1=EN2= VIN, TA = +25ºC, unless otherwise noted.
=
C
Ground Pin Current vs.
Input Voltage Temperature
Ground Pin Current vs.
Dropout Voltage vs.
Output Current
180
160
140
120
100
80
1200
1000
800
600
400
200
0
700
600
500
400
300
200
100
0
I
=300mA
OUT
Channel 1
I
=300mA
OUT
I
=0mA
60
OUT
Channel 2
I
=0mA
OUT
40
20
Both Channels Loaded
4.5 5.5
INPUT VOLTAGE(V)
Both Channels Loaded
20 40 60 80 100
0
3.5
4
5
-40 -20
0
0
50 100 150 200 250 300
Dropout Voltage vs.
Temperature
Enable Threshold vs.
Input Voltage (Channel 1)
Enable Threshold vs.
Input Voltage (Channel 2)
1.5
1.4
1.3
1.2
1.1
1
240
220
200
180
160
140
120
100
80
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
Channel 2
Channel 1
EN High Threshold
EN High Threshold
Channel 1
Channel 2
0.9
0.8
0.7
0.6
0.5
EN Low Threshold
EN Low Threshold
I
=300mA
OUT
60
-40 -20
0
20 40 60 80 100
3.5
4
4.5
5
5.5
3.5
4
4.5
5
5.5
o
INPUT VOLTAGE(V)
INPUT VOLTAGE(V)
TEMPERATURE( C)
Enable Threshold vs.
Temperature (Channel 1)
Enable Threshold vs.
Temperature (Channel 2)
Current Limit vs.
Input Voltage
800
700
600
500
400
300
200
1.3
1.2
1.1
1
1.3
1.2
1.1
1
Channel 1, V =3.7V
IN
Channel 2, V =3.7V
IN
EN High Threshold
EN High Threshold
Channel 1
Channel 2
0.9
0.8
0.7
0.6
0.5
0.9
0.8
0.7
0.6
0.5
EN Low Threshold
EN Low Threshold
20 40 60 80 100
-40 -20
0
-40 -20
0
20 40 60 80 100
3
3.5
4
4.5
5
5.5
o
o
TEMPERATURE( C)
INPUT VOLTAGE(V)
TEMPERATURE( C)
MP20043 Rev.0.91
10/10/2011
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