ADP1707 Analog Devices, ADP1707 Datasheet - Page 8

• Manufacturer Part Number: ADP1707
• Description: 1 A, Low Dropout, CMOS Linear Regulator with Tracking
• Manufacturer: Analog Devices

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