Datasheet

Data Sheet ADR3525/ADR3530/ADR3533/ADR3540/ADR3550
Rev. 0 | Page 13 of 20
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
10 100 1k 10k 100k
RIPPLE REJECTION R
A
TIO (dB
V
OUT
/V
IN
)
FREQUENCY (Hz)
C
L
= 1.1µF
C
IN
= 0.1µF
09594-021
Figure 21. ADR3550 Ripple Rejection Ratio vs. Frequency
0
9594-022
1
2
TIME = 200µs/DIV
C
IN
= 0µF
C
L
= 0.1µF
R
L
= 
V
IN
2V/DIV
V
OUT
2V/DIV
Figure 22. ADR3550 Start-Up Response
0
9594-023
1
2
V
ENABLE
= 2V/DIV
V
IN
= 5.5V
C
IN
= C
L
= 0.1µF
R
L
= 
V
OUT
= 2V/DIV
ENABLE
TIME = 200µs/DIV
Figure 23. ADR3550 Restart Response from Shutdown
0
9594-024
1
2
C
IN
= C
L
= 0.1µF
V
IN
= 3V
R
L
= 1k
V
OUT
= 1V/DIV
ENABLE
1V/DIV
TIME = 200µs/DIV
Figure 24. ADR3525 Shutdown Response
09594-025
1
2
C
IN
= C
L
= 0.1µF
V
OUT
= 10mV/DIV
500mV/DIV
3.2V
2.7V
TIME = 1ms/DIV
Figure 25. ADR3525 Line Transient Response
0
9594-026
C
IN
= 0.1µF
C
L
= 0.1µF
R
L
= 250
V
OUT
= 20mV/DIV
SINKING
SINKING
–3mA
2.5V
+10mA
SOURCING
I
L
TIME = 1ms/DIV
Figure 26. ADR3525 Load Transient Response