ADP225 Analog Devices, ADP225 Datasheet - Page 15
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ADP225
Manufacturer Part Number
ADP225
Description
Dual, 300 mA Adjustable Output, QOD, Low Noise, High PSRR Voltage Regulator
Manufacturer
Analog Devices
Datasheet
1.ADP222.pdf
(24 pages)
Data Sheet
Figure 54. Transient Line Response, V
Figure 55. Transient Line Response, V
–100
2
3
1
–10
–20
–30
–40
–50
–60
–70
–80
–90
2
3
1
0
CH1 1V
CH3
CH1 1V
CH3
10
Figure 53. Power Supply Rejection Ratio vs. Frequency,
V
V
V
C
RIPPLE
IN
OUT
OUT
10mV
10mV
= 2.5V
= 1.8V
= 1µF
100
= 50mV
V
V
B
B
B
B
OUT1
V
OUT2
W
W
W
W
IN
V
V
V
CH2 10mV
OUT1
CH2 10mV
V
OUT2
IN
1k
IN
= 2.5 V, V
FREQUENCY (Hz)
I
I
LOAD
LOAD
= 10 mA
= 10 mA
10k
OUTx
OUTx
OUTx
B
B
W
W
= 3.3 V and 2.8 V, V
= 1.2 V and 1.8 V, V
= 1.8 V
M4µs
M1µs
T
T
100k
9.8%
10.40%
A CH4
A CH4
LOAD = 1mA
LOAD = 10mA
LOAD = 100mA
LOAD = 300mA
1M
200mV
200mV
IN
IN
= 4 V to 5 V,
= 4 V to 5 V,
10M
Rev. B | Page 15 of 24
Figure 56. Transient Line Response, V
Figure 57. Transient Line Response, V
Figure 58. Transient Load Response, V
2
3
1
2
3
1
1
2
3
CH1 1V
CH3
CH1 1V
CH3
CH1 200mA Ω
CH3 10mV
ADP222/ADP223/ADP224/ADP225
10mV
10mV
LOAD CURRENT
B
B
B
B
W
W
W
W
ON V
B
B
W
W
V
V
V
V
V
V
V
OUTx
OUT1
CH2 10mV
CH2 10mV
CH2
OUT1
OUT2
V
OUT1
OUT2
V
OUT1
OUT2
IN
IN
I
I
= 2.8 V, I
LOAD
LOAD
50mV
= 300 mA
= 300 mA
OUTx
OUTx
LOAD
OUTx
B
B
B
W
W
W
= 3.3 V and 2.8 V, V
= 1.2 V and 1.8 V, V
= 3.3 V, I
= 1 mA
M1µs
M1µs
M10µs A CH1
T
T
T
9.8%
10.00%
10.20%
A CH4
A CH4
LOAD
= 1 mA to 300 mA;
200mA
200mV
200mV
IN
IN
= 4 V to 5 V,
= 4 V to 5 V,