Datasheet

ADP1706/ADP1707/ADP1708
Rev. 0 | Page 8 of 20
400
0
10 1000
I
LOAD
(mA)
V
DROPOUT
(mV)
100
350
300
250
200
150
100
50
06640-017
Figure 16. Dropout Voltage vs. Load Current
3.4
2.5
3.0 4.0
V
IN
(V)
V
OUT
(V)
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
3.2 3.4 3.6 3.8
I
LOAD
= 10mA
I
LOAD
= 100mA
I
LOAD
= 300mA
I
LOAD
= 500mA
I
LOAD
= 750mA
I
LOAD
= 1A
06640-018
Figure 17. Output Voltage vs. Input Voltage (in Dropout)
2500
0
3.0 4.0
V
IN
(V)
I
GND
(µA)
3.2 3.4 3.6 3.8
2000
1500
1000
500
I
LOAD
= 1A
I
LOAD
= 750mA
I
LOAD
= 500mA
I
LOAD
= 300mA
I
LOAD
= 100mA
I
LOAD
= 10mA
06640-019
Figure 18. Ground Current vs. Input Voltage (in Dropout)
V
OUT
50mV/DI
V
TIME (20µs/DIV)
V
IN
= 3.8V
V
OUT
= 1.6V
C
IN
= 4.7µF
C
OUT
= 4.7µF
06640-020
LOAD SWITCHED FROM 50mA TO 950mA
AND BACK TO 50mA
Figure 19. Load Transient Response, C
IN
= 4.7 μF, C
OUT
= 4.7 μF
V
OUT
50mV/DI
V
TIME (20μs/DIV)
V
IN
= 3.8V
V
OUT
= 1.6V
C
IN
= 22μF
C
OUT
= 22μF
06640-021
LOAD SWITCHED FROM 50mA TO 950mA
AND BACK TO 50mA
Figure 20. Load Transient Response, C
IN
= 22 μF, C
OUT
= 22 μF
20mV/DI
V
2V/DI
V
TIME (100μs/DIV)
V
OUT
= 3.3V
C
IN
= 4.7μF
C
OUT
= 4.7μF
I
LOAD
= 1A
V
IN
STEP FROM 4V TO 5V
V
OUT
06640-022
Figure 21. Line Transient Response