Datasheet

ADP1712/ADP1713/ADP1714
Rev. A | Page 9 of 16
16
0
02
C
SS
(nF)
RAMP-UP TIME (ms)
5
14
12
10
8
6
4
2
5 101520
06455-036
Figure 21. Output Voltage Ramp-Up Time vs. Soft-Start Capacitor Value
0
–90
10 10M
FREQUENCY (Hz)
PSRR (dB)
100 1k 10k 100k 1M
–10
–20
–30
–40
–50
–60
–70
–80
I
LOAD
= 100mA
I
LOAD
= 10mA
I
LOAD
= 1mA
I
LOAD
= 100µA
V
RIPPLE
= 50mV
V
IN
= 5V
V
OUT
= 0.75V
C
OUT
= 2.2μF
06455-037
Figure 22. ADP1713 Power Supply Rejection Ratio vs. Frequency
(10 nF Bypass Capacitor)
–
50
–70
2.7 4.74.23.73.2
V
IN
(V)
PSRR (dB)
–55
–60
–65
V
OUT
= 1.6V
V
OUT
= 2.4V
V
OUT
= 0.8V
V
RIPPLE
= 50mV
I
LOAD
= 10mA
C
OUT
= 2.2μF
FREQUENCY = 10kHz
06455-038
Figure 23. ADP1712 Adjustable Power Supply Rejection Ratio vs.
Input Voltage
–
45
–70
0.8 4.33.83.32.82.31.81.3
V
OUT
(V)
PSRR (dB)
–50
–55
–60
–65
I
LOAD
= 10mA
I
LOAD
= 100mA
V
RIPPLE
= 50mV
V
IN
= 5V
C
OUT
= 2.2μF
FREQUENCY = 10kHz
06455-039
Figure 24. ADP1712 Adjustable Power Supply Rejection Ratio vs.
Output Voltage