Datasheet

ADP2121
Rev. B | Page 7 of 20
Figure 10. Auto Mode Quiescent Current vs. Input Voltage Over Temperature
(Nonswitching, No Load)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
SHUTDOWN CURRENT (µA)
07407-011
T
A
= –40°C
T
A
= +85°C
T
A
= +25°C
V
OUT
= 1.82V
Figure 11. Shutdown Current vs. Input Voltage Over Temperature
16
14
12
10
8
6
4
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
QUIESCENT CURRENT (mA)
07407-013
T
A
= –40°C
T
A
= +85°C
T
A
= +25°C
V
OUT
= 1.82V
V
OUT
= 1.82V
Figure 12. PWM Mode Quiescent Current vs. Input Voltage Over Temperature
(Switching, No Load)
30
32
34
36
38
40
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
V
OUT
= 1.8V
V
OUT
= 1.82V
V
OUT
= 1.85V
V
OUT
= 1.875V
V
OUT
= 2.3V
QUIESCENT CURRENT (µA)
07407-051
Figure 13. Auto Mode Quiescent Current vs. Input Voltage for All Voltage
Options (Nonswitching, No Load)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
INPUT VOLTAGE (V)
SHUTDOWN CURRENT (µA)
V
OUT
= 1.8V
V
OUT
= 1.82V
V
OUT
= 1.85V
V
OUT
= 1.875V
V
OUT
= 2.3V
07407-052
Figure 14. Shutdown Current vs. Input Voltage for All Voltage Options
3
5
7
9
11
13
15
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
I
NPUT VOLTAGE (V)
QUIESCENT CURRENT (mA)
V
OUT
= 1.8V
V
OUT
= 1.82V
V
OUT
= 1.85V
V
OUT
= 1.875V
V
OUT
= 2.3V
07407-053
Figure 15. PWM Mode Quiescent Current vs. Input Voltage
for All Voltage Options (Switching, No Load)