LM39300/39301/39302
Typical Characteristics
Power Supply
vs. Ripple Rejection
Power Supply
vs. Ripple Rejection
400
DROPOUT VOLTAGE (mV)
50
40
PSRR (dB)
50
40
PSRR (dB)
Dropout Voltage
vs. Output Current
350
300
250
200
150
100
50
0
0
1000
2000
3000
OUTPUT CURRENT (mA)
V
OUT
= 1.8V
V
OUT
= 2.5V
30
V
OUT
= 2.5V
20
V
IN
= 3.3V
C
OUT
= 47μF
10
I
LOAD
= 3A
1x10
1
1x10
2
1x10
3
1x10
4
1x10
5
1x10
6
30
20 V
OUT
= 2.5V
V
IN
= 3.3V
C
OUT
= 100μF
10
I
LOAD
= 3A
1x10
1
1x10
2
1x10
3
1x10
4
1x10
5
1x10
6
0
0
FREQUENCY (Hz)
FREQUENCY (Hz)
600
DROPOUT VOLTAGE (mV)
500
400
300
200
100
Dropout Voltage
vs. Temperature
OUTPUT VOLTAGE (V)
Dropout Characteristics
2.8
GROUND CURRENT (mA)
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.2
I
LOAD
= 3A
I
LOAD
= 1.5A
1.6 2.0 2.4 2.8 3.2
INPUT VOLTAGE (V)
3.6
I
LOAD
= 100mA
50
40
30
20
10
0
Ground Current
vs. Output Current
V
OUT
= 2.5V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.8V
I
LOAD
= 3.0A
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
0
1000
2000
3000
OUTPUT CURRENT (mA)
10
Ground Current
vs. Supply Voltage
GROUND CURRENT (mA)
100
90
80
70
60
50
40
30
20
10
0
Ground Current
vs. Supply Voltage
GROUND CURRENT (mA)
8
7
6
5
4
3
2
1
Ground Current
vs. Temperature
GROUND CURRENT (mA)
8
6
4
2
0
I
LOAD
= 100mA
I
LOAD
= 3000mA
I
LOAD
= 1500mA
I
LOAD
=
1000mA
V
OUT
= 2.5V
V
OUT
= 1.8V
I
LOAD
= 10mA
I
LOAD
= 10mA
0
2
4
6
8
10
SUPPLY VOLTAGE (V)
12
0
2
4
6
8
10
SUPPLY VOLTAGE (V)
12
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
SHORT CIRCUIT CURRENT (A)
25
Ground Current
vs. Temperature
GROUND CURRENT (mA)
60
50
40
Ground Current
vs. Temperature
V
OUT
= 2.5V
6.0
5.0
4.0
3.0
2.0
1.0
Short Circuit vs.
Temperature
typical 1.8V device
GROUND CURRENT (mA)
20
15
10
5
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.8V
30
20
I
LOAD
= 3000A
10
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
typical 2.5V device
I
LOAD
= 1500mA
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
V
IN
= V
OUT (NOM)
+ 1V
V
OUT
= 0
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
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