Datasheet

ADP3303
–5–
REV.
TIME – ␮s
5.02
4.99
0 20 200
40 60 80 100 120 140 160 180
5.01
5.00
7.0
4.98
7.5
Volts
25⍀, 0.47␮F LOAD
V
IN
V
OUT
= 5V
Figure 11. Line Transient Response
TIME – ␮s
Volts
3.310
3.305
0 200 1000
400 600 800
3.290
200
10
3.300
3.295
mA
V
OUT
= 3.3V
I(V
OUT
)
V
OUT
C
L
= 10␮F
Figure 14. Load Transient for
10 mA to 200 mA Pulse
TIME – ␮s
Volts
4
1
025
5101520
3
2
0
0
5
V
OUT
V
SD
C = 0.47␮F
R = 16.5⍀ ON 3.3V OUTPUT
Figure 17. Turn Off
TIME – ␮s
5.02
4.99
0 40 400
80 120 160 200 240 280 320 360
5.01
5.00
7.0
4.98
7.5
Volts
5k⍀, 0.47␮F LOAD
V
IN
V
OUT
= 5V
Figure 12. Line Transient Response
Volts
TIME – sec
3.5
0
05
12 3 4
0
300
100
400
200
3.3V
mA
V
OUT
I
OUT
V
IN
= 7V
Figure 15. Short Circuit Current
FREQUENCY – Hz
RIPPLE REJECTION – dB
0
–100
10 100 10M
1k 10k 100k
1M
–10
–60
–70
–80
–90
–20
–30
–50
–40
a. 0.47␮F, R
L
= 33k⍀
b. 0.47␮F, R
L
= 16.5⍀
c. 10␮F, R
L
= 33k⍀
d. 10␮F, R
L
= 16.5⍀
b
d
a c
b
d
a
c
V
OUT
= 3.3V
Figure 18. Power Supply Ripple
Rejection
TIME – ␮s
Volts
3.310
3.305
0 200 1000
400 600 800
3.290
200
10
3.300
3.295
mA
V
OUT
= 3.3V
I(V
OUT
)
V
OUT
C
L
= 0.47␮F
Figure 13. Load Transient for 10 mA
to 200 mA Pulse
TIME – ␮s
Volts
4
0 40 200
80 120 160
1
0
5
0
3
2
3
C
L
= 0.47␮F, R
L
= 3.3k⍀
C
L
= 10␮F, R
L
= 3.3k⍀
C
L
= 10␮F, R
L
= 16.5⍀
3.3V
V
OUT
SD
V
IN
= 7V
Figure 16. Turn On
FREQUENCY – Hz
VOLTAGE NOISE SPECTRAL DENSITY – ␮V/ Hz
10
1
0.01
100 1k 100k
10k
0.1
0.47␮F BYPASS
PIN 7, 8 TO PIN 3
V
OUT
= 3.3V, C
L
= 0.47␮F,
I
L
= 1mA, C
NR
= 0
V
OUT
= 5V, C
L
= 0.47␮F,
I
L
= 1mA, C
NR
= 0
V
OUT
= 2.7-5.0V, C
L
= 10␮F,
I
L
= 1mA, C
NR
= 10nF
Figure 19. Output Noise Density
B