Datasheet

ADP172 Data Sheet
Rev. D | Page 8 of 20
5.0
4.5
0
–50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
SHUTDOWN CURRENT (µA)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
V
IN
= 2.1V
V
IN
= 2.3V
V
IN
= 2.7V
V
IN
= 2.9V
V
IN
= 3.2V
V
IN
= 3.4V
V
IN
= 3.5V
V
IN
= 3.6V
06111-011
Figure 9. Shutdown Current vs. Temperature at Various Input Voltages
70
60
50
40
30
20
10
0
0.1 1 10 100 1000
DROPOUT VOLTAGE (mV)
LOAD CURRENT (mA)
T
A
= 25°C
06111-012
Figure 10. Dropout Voltage vs. Load Current
1.85
1.80
1.75
1.70
1.65
1.60
1.55
1.50
1.55
1.65 1.75 1.
851.60 1.70 1.80 1.90
V
OUT
(V)
V
IN
(V)
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 100mA
I
LOAD
= 200mA
I
LOAD
= 300mA
06111-013
Figure 11. Output Voltage vs. Input Voltage (in Dropout)
400
350
300
250
200
150
100
50
0
1.5 1.71.6 1.8 1.9 2.0
GROUND CURRENT (µA)
V
IN
(V)
I
LOAD
= 1mA
I
LOAD
= 10mA
I
LOAD
= 100mA
I
LOAD
= 200mA
I
LOAD
= 300mA
06111-014
Figure 12. Ground Current vs. Input Voltage (in Dropout)
–30
–40
–50
–60
–70
–80
–90
10 100 1k 10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
300mA
200mA
100mA
10mA
1mA
06111-015
Figure 13. Power Supply Rejection Ratio vs. Frequency, V
OUT
= 0.8 V
10 100 1k 10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
–30
–40
–50
–60
–70
–80
–90
300mA
200mA
100mA
10mA
1mA
06111-016
Figure 14. Power Supply Rejection Ratio vs. Frequency, V
OUT
= 1.8 V