ADP124/ADP125
Data Sheet
0.7
3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
2.95
I
I
I
I
= 10mA
OUT
OUT
OUT
OUT
0.6
= 100mA
= 300mA
= 500mA
0.5
0.4
0.3
0.2
0.1
0
V
V
V
V
V
V
V
= 5.50
= 5.40
= 5.20
= 5.00
= 4.40
= 4.20
= 3.80
IN
IN
IN
IN
IN
IN
IN
–50
–25
0
25
50
75
100
125
3.00
3.10
3.20
3.30
(V)
3.40
3.50
3.60
TEMPERATURE (°C)
V
IN
Figure 13. Shutdown Current vs. Temperature at Various Input Voltages
Figure 16. Output Voltage vs. Input Voltage (in Dropout)
120
100
80
60
40
20
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
I
I
I
I
I
I
= 100µA
= 1mA
= 10mA
= 100mA
= 300mA
= 500mA
OUT
OUT
OUT
OUT
OUT
OUT
V
V
C
= V
+1V
= 50mV
IN
RIPPLE
= C
OUT
= 1µF
IN
OUT
1
10
100
1000
10
100
1k
10k
100k
1M
10M
I
(mA)
OUT
FREQUENCY (Hz)
Figure 14. Dropout Voltage vs. Load Current
Figure 17. Power Supply Rejection Ratio vs. Frequency, VOUT = 2.8 V, VIN = 3.8 V
450
400
350
300
250
200
150
100
50
–10
–20
I
I
I
I
I
I
= 100µA
= 1mA
= 10mA
= 100mA
= 300mA
= 500mA
OUT
OUT
OUT
OUT
OUT
OUT
–30
–40
–50
–60
–70
–80
–90
–100
I
I
I
I
= 10mA
OUT
OUT
OUT
OUT
= 100mA
= 300mA
= 500mA
V
V
C
= V
+1V
= 50mV
IN
RIPPLE
= C
OUT
= 1µF
IN
OUT
0
3.00
3.10
3.20
3.30
3.40
(V)
3.50
3.60
3.70
10
100
1k
10k
100k
1M
10M
V
FREQUENCY (Hz)
IN
Figure 15. Ground Current vs. Input Voltage (in Dropout)
Figure 18. Power Supply Rejection Ratio vs. Frequency, VOUT = 3.3 V, VIN = 4.3 V
Rev. C | Page 8 of 20
ADI [ ADI ]
