ADP225 Analog Devices, ADP225 Datasheet - Page 14

• Manufacturer Part Number: ADP225
• Description: Dual, 300 mA Adjustable Output, QOD, Low Noise, High PSRR Voltage Regulator
• Manufacturer: Analog Devices

ADP222/ADP223/ADP224/ADP225
–100
–100
–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
Figure 47. Power Supply Rejection Ratio vs. Frequency,
Figure 48. Power Supply Rejection Ratio vs. Frequency,
Figure 49. Power Supply Rejection Ratio vs. Frequency,
V
V
V
C
V
V
V
C
V
V
V
C
RIPPLE
IN
OUT
OUT
RIPPLE
IN
OUT
OUT
RIPPLE
IN
OUT
OUT
= 2.8V
= 4.3V
= 3.8V
= 1.8V
= 1µF
= 3.3V
= 1µF
= 2.8V
= 1µF
100
100
100
= 50mV
= 50mV
= 50mV
V
V
V
IN
IN
IN
1k
1k
1k
= 4.3, V V
= 3.8 V, V
= 2.8 V, V
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
10k
10k
OUTx
OUTx
OUTx
= 3.3 V
= 2.8 V
= 1.8 V
100k
100k
100k
LOAD = 100µA
LOAD = 1mA
LOAD = 10mA
LOAD = 100mA
LOAD = 300mA
LOAD = 100 µ A
LOAD = 1mA
LOAD = 10mA
LOAD = 100mA
LOAD = 300mA
LOAD = 1mA
LOAD = 10mA
LOAD = 100mA
LOAD = 300mA
1M
1M
1M
10M
10M
10M
Rev. B | Page 14 of 24
–100
–100
–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
Figure 50. Power Supply Rejection Ratio vs. Frequency,
Figure 51. Power Supply Rejection Ratio vs. Frequency,
Figure 52. Power Supply Rejection Ratio vs. Frequency,
V
V
V
C
V
V
V
C
V
V
V
C
RIPPLE
IN
OUT
OUT
RIPPLE
IN
OUT
OUT
RIPPLE
IN
OUT
OUT
= 2.5V
= 3.8V
= 3.3V
= 1.2V
= 2.8V
= 1µF
= 3.3V
= 1µF
= 1µF
100
100
100
= 50mV
= 50mV
= 50mV
V
V
V
IN
IN
IN
1k
1k
1k
= 2.5 V, V
= 3.8 V, V
= 3.3 V, V
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
10k
10k
OUTx
OUTx
OUTx
= 1.2 V
= 3.3 V
= 2.8 V
100k
100k
100k
LOAD = 1mA
LOAD = 10mA
LOAD = 100mA
LOAD = 300mA
LOAD = 1mA
LOAD = 10mA
LOAD = 100mA
LOAD = 300mA
LOAD = 1mA
LOAD = 10mA
LOAD = 100mA
LOAD = 300mA
Data Sheet
1M
1M
1M
10M
10M
10M