ADP130 Analog Devices, ADP130 Datasheet - Page 10

• Manufacturer Part Number: ADP130
• Description: 350 mA, Low VIN, Low Quiescent Current, CMOS Linear Regulator
• Manufacturer: Analog Devices

ADP130
Figure 23. Power Supply Rejection Ratio vs. Frequency, V
Figure 24. Power Supply Rejection Ratio vs. Frequency, V
–100
Figure 22. Power Supply Rejection Ratio vs. Headroom, V
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
10
10
10
V
V
V
C
V
V
V
I
C
V
0.5V HEADROOM
V
V
V
C
V
OUT
RIPPLE
IN
OUT
BIAS
RIPPLE
OUT
BIAS
OUT
OUT
RIPPLE
IN
OUT
OUT
BIAS
1V HEADROOM
= 3.6V
= 2.8V
= 100mA
= 3.0V
= 1µF
= 1.8V
= 1µF
= 2.3V
= 5V
= 1.8V
= 1µF
= 2.3V
100
100
100
= 50mV
= 50mV
= 50mV
1k
1k
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
LOAD = 350mA
LOAD = 100mA
LOAD = 350mA
LOAD = 100mA
LOAD = 100µA
LOAD = 10mA
LOAD = 100µA
LOAD = 10mA
10k
10k
10k
100k
100k
100k
1M
1M
1M
BIAS
BIAS
IN
Input
Input
Input
10M
10M
10M
Rev. B | Page 10 of 20
Figure 25. Power Supply Rejection Ratio vs. Frequency, V
Figure 26. Power Supply Rejection Ratio vs. Frequency, V
–100
0.01
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0.1
10
0
0
1
10
10
10
V
V
V
C
V
V
V
V
C
V
RIPPLE
IN
OUT
BIAS
OUT
RIPPLE
IN
OUT
BIAS
OUT
= 1.8V
= 2.2V
= 0.8V
= 1µF
= 1.2V
= 1µF
= 2.3V
= 2.3V
100
100
= 50mV
= 50mV
Figure 27. Noise Spectrum vs. V
100
0.8V
1.5V
3.0V
1k
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
LOAD = 350mA
LOAD = 100mA
LOAD = 100µA
LOAD = 10mA
LOAD = 350mA
LOAD = 100mA
LOAD = 100µA
LOAD = 10mA
10k
10k
1k
100k
100k
OUT
10k
1M
1M
BIAS
BIAS
Input
Input
100k
10M
10M