ADP1715 Analog Devices, ADP1715 Datasheet - Page 7

• Manufacturer Part Number: ADP1715
• Description: 500 mA Low-Dropout CMOS Linear Regulator with Soft Start
• Manufacturer: Analog Devices

3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
2.95
350
300
250
200
150
100
700
600
500
400
300
200
100
50
Figure 14. Output Voltage vs. Input Voltage (in Dropout)
Figure 15. Ground Current vs. Input Voltage (in Dropout)
0
0
3.20
0.1
3.2
Figure 13. Dropout Voltage vs. Load Current
I
LOAD
100µA
3.25
=
3.30
3.3
1
I
10mA
LOAD
3.35
=
I
LOAD
I
100mA
LOAD
V
V
I
I
I
I
I
I
IN
3.40
IN
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
3.4
10
(V)
(V)
(mA)
=
= 100µA
= 10mA
= 100mA
= 250mA
= 360mA
= 500mA
3.45
I
250mA
LOAD
3.50
100
3.5
I
360mA
=
LOAD
=
I
500mA
3.55
LOAD
=
1000
3.60
3.6
Rev. 0 | Page 7 of 20
1
1
2
2
1
2
V
V
C
C
I
LOAD
IN
OUT
IN
OUT
= 5V
= 2.2µF
= 3.3V
= 2.2µF
V
SWITCH SIGNAL TO CHANGE
OUTPUT LOAD FROM 25mA TO 475mA
V
= 500mA
SWITCH SIGNAL TO CHANGE
OUTPUT LOAD FROM 25mA TO 475mA
V
V
IN
OUT
Figure 16. Load Transient Response
Figure 17. Load Transient Response
OUT
Figure 18. Line Transient Response
OUT
STEP FROM 4V TO 5V
TIME (100µs/DIV)
TIME (10µs/DIV)
TIME (10µs/DIV)
ADP1715/ADP1716
V
V
C
C
V
V
C
C
IN
OUT
IN
OUT
IN
OUT
IN
OUT
= 5V
= 2.2µF
= 5V
= 22µF
= 3.3V
= 2.2µF
= 3.3V
= 22µF