Datasheet

ADP3335 Data Sheet
Rev. D | Page 8 of 16
00147-0-015
TIME (µs)
I
LOAD
(mA)
400
200
0
200
400
2.1
800600
2.2
V
IN
= 4V
R
L
= 4.4Ω
C
L
= 10µF
2.3
V
OUT
(V)
Figure 17. Load Transient Response
00147-0-016
TIME (µs)
400
200
1
2
3
0
800600
0
2.2
V
IN
= 4V
FULL SHORT
800mΩ
SHORT
I
LOAD
(A)
V
OUT
(V)
Figure 18. Short-Circuit Current
00147-0-017
TIME (µs)
V
SD
(V)
400
200
0
1
2
1
800600
2
3
V
OUT
(V)
V
IN
= 4V
V
OUT
= 2.2V
R
L
= 4.4Ω
1µF
10µF
10µF
1µF
Figure 19. Turn On/Turn Off Response
00147-0-018
–40
–50
–
60
–
70
–
80
–90
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
10 1k 10k 100k
1M 10M
–20
–30
100
V
OUT
= 2.2V
C
L
= 1µ
F
I
L
= 50
µ
A
C
L
= 1
µ
F
I
L
= 500mA
C
L
= 10µF
I
L
= 500mA
C
L
= 10
µF
I
L
= 50µA
Figure 20. Power Supply Ripple Rejection
00147-0-019
I
L
= 500mA WITH
NOISE REDUCTION
I
L
= 500mA WITHOUT
NOISE REDUCTION
I
L
= 0mA WITHOUT
NOISE REDUCTION
I
L
= 0mA WITH NOISE REDUCTION
C
NR
= 10nF
160
140
120
100
80
60
40
20
0
C
L
(µF)
RMS NOISE (µV)
0
10 20 30 40 50
Figure 21. RMS Noise versus C
L
(10 Hz to 100 kHz)
00147-0-020
100
10
1
0.1
0.01
0.001
FREQUENCY (Hz)
VOLTAGE NOISE SPECTRAL
DENSITY (µV/ Hz)
10 1k 10k
100k 1M
100
V
OUT
= 2.2V
I
L
= 1mA
C
L
= 10µF
C
NR
= 10nF
C
L
= 1µF
C
NR
= 0nF
C
L
= 10
µF
C
NR
= 0nF
C
L
= 1
µF
C
NR
= 10nF
Figure 22. Output Noise Density