Datasheet

ADP1740/ADP1741 Data Sheet
Rev. F | Page 8 of 20
100
90
70
80
60
50
40
30
20
10
0
–40 85603510–15
SHUTDOWN CURRENT (µA)
TEMPERATURE (°C)
1.9V
2.0V
2.4V
2.6V
3.0V
3.6V
07081-011
Figure 11. Shutdown Current vs. Temperature at Various Input Voltages
0.25
0.20
0.15
0.10
0.05
0
1 10 100
1k 10k
DROPOUT VOLTAGE (V)
LOAD CURRENT (mA)
07081-012
1.6V
2.5V
Figure 12. Dropout Voltage vs. Load Current, V
OUT
= 1.6 V, 2.5 V
2.50
2.35
2.45
2.40
2.30
2.25
2.20
2.15
2.10
2.3 2.5 2.72.4
2.6 2.8
OUTPUT VOLTAGE (V)
INPUT VOLTAGE (V)
LOAD = 10mA
LOAD = 100mA
LOAD = 400mA
LOAD = 800mA
LOAD = 1.2A
LOAD = 2A
07081-013
Figure 13. Output Voltage vs. Input Voltage (in Dropout), V
OUT
= 2.5 V
4500
2500
4000
3500
3000
2000
1500
1000
500
0
2.3 2.5 2.72.4 2.6 2.8
GROUND CURRENT (µA)
INPUT VOLTAGE (V)
LOAD = 10mA
LOAD = 100mA
LOAD = 400mA
LOAD = 800mA
LOAD = 1.2A
LOAD = 2A
07081-014
Figure 14. Ground Current vs. Input Voltage (in Dropout), V
OUT
= 2.5 V
CH1 1.0 A Ω
B
W
CH2 50mV
B
W
M10µs
A CH1 380mA
1
2
T 10.40%
T
07081-015
I
LOAD
1mA TO 2A LOAD STEP, 2.5A/µs, 1A/DIV
V
OUT
50mV/DIV
V
IN
= 3.6V
V
OUT
= 1.5V
Figure 15. Load Transient Response, C
IN
= 4.7 µF, C
OUT
= 4.7 µF
CH1 1.0 A Ω
B
W
CH2 50mV
B
W
M10µs
A CH1 880mA
1
2
T 10.20%
T
07081-016
I
LOAD
1mA TO 2A LOAD STEP, 2.5A/µs, 1A/DIV
V
OUT
50mV/DIV
V
IN
= 3.6V
V
OUT
= 1.5V
Figure 16. Load Transient Response, C
IN
= 22 µF, C
OUT
= 22 µF