Datasheet

REV. A
ADP3331
–4–
–Typical Performance Characteristics
INPUT VOLTAGE
(
V
)
OUTPUT VOLTAGE (V)
3.010
3.002
2.996
3.25
456789101112
3.008
3.006
3.000
2.998
3.004
2.994
2.992
2.990
V
OUT
= 3.0V
I
L
= 0mA
I
L
= 10mA
I
L
= 100mA
I
L
= 50mA
I
L
= 150mA
I
L
= 200mA
TPC 1. Line Regulation Output
Voltage vs. Supply Voltage
OUTPUT LOAD
(
mA
)
GROUND CURRENT (mA)
1.6
1.4
0.6
0
50 200
100 150
1.2
1.0
0.8
V
IN
= 7V
0.4
0.2
0
TPC 4. Ground Current vs. Load
Current
OUTPUT LOAD
(
mA
)
INPUT/OUTPUT VOLTAGE (mV)
250
200
0
025 10050 75
150
100
50
125 150 175 200
TPC 7. Dropout Voltage vs.
Output Current
OUTPUT LOAD
(
mA
)
OUTPUT VOLTAGE (V)
3.005
2.998
0
25
50 75 100 125 150 175 200
3.004
3.003
3.002
3.001
3.000
2.999
V
OUT
= 3.0V
V
IN
= 7V
2.997
2.996
2.995
2.994
TPC 2. Output Voltage vs. Load
Current
0.2
0.4
–45 –25 135–5 15 35 75 95 11555
0.1
0.0
–0.1
0.3
JUNCTION TEMPERATURE (ⴗC)
OUTPUT VOLTAGE (%)
I
L
= 50mA
I
L
= 0mA
I
L
= 150mA
I
L
= 200mA
TPC 5. Output Voltage Variation % vs.
Junction Temperature
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 1.0 2.0 3.0 4.0 5.0
INPUT/OUTPUT VOLTAGE (V)
TIME
(
sec
)
V
OUT
= 3V
SD = V
IN
R
L
= 15⍀
TPC 8. Power-Up/Power-Down
INPUT VOLTAGE
(
V
)
GROUND CURRENT (␮A)
45
40
20
0
246 810 12
35
30
25
V
OUT
= 3V
15
10
5
0
I
L
= 100␮A
I
L
= 0␮A
TPC 3. Ground Current vs. Supply
Voltage
JUNCTION TEMPERATURE (ⴗC)
GROUND CURRENT (mA)
3.0
2.8
0
–45 –25 115
–5 15 35 55 75 95
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
135
V
IN
= 7V
I
L
= 0mA
I
L
= 100mA
I
L
= 50mA
I
L
= 150mA
I
L
= 200mA
TPC 6. Ground Current vs. Junction
Temperature
3
2
1
0
10
5
0
0 100 200 300 400 500
V
OUT
(V)V
IN
(V)
TIME
(␮
s
)
V
IN
= 7V
V
OUT
= 3V
SD = V
IN
R
L
= 15⍀
C
L
= 10␮F
C
L
= 0.47␮F
TPC 9. Power-Up Response