ADP320 Analog Devices, ADP320 Datasheet - Page 12

• Manufacturer Part Number: ADP320
• Description: Triple, 200 mA, Low Noise, High PSRR Voltage Regulator
• Manufacturer: Analog Devices

ADP320
Figure 33. Output Noise vs. Load Current and Output Voltage, V
1
2
1
2
3
4
70
60
50
40
30
20
10
0.001
0
CH1 200mA
CH1
CH3 10mV
CH1 = I
3.3V
1.8V
1.5V
100mA
I
LOAD1
I
V
V
V
LOAD1
0.01
OUT1
OUT2
OUT3
I
Figure 34. Load Transient Response,
Figure 35. Load Transient Response,
LOAD1
LOAD1
= 1 mA to 200 mA, I
Ω
Ω
B
B
B
W
, CH2 = V
W
W
= 1 mA to 200 mA, C
CH1 = I
CH2 50mV
CH4 10mV
CH2
0.1
LOAD CURRENT (mA)
50mV
LOAD1
OUT1
I
V
LOAD1
OUT1
, CH3 = V
, CH2 = V
1
B
B
B
W
W
LOAD2
W
M40µs
T
M40µs
T
= I
OUT1
10.2%
9.8%
OUT2
OUT1
LOAD3
10
= 1 μF,
, CH4 = V
A CH1
A CH1
= 1 mA,
100
OUT3
124mA
44mA
IN
1000
= 5 V
Rev. A | Page 12 of 20
1
2
1
2
1
2
3
4
CH1
CH1 200mA
CH1 1V
CH3
200mA
CH1 = V
10mV
V
IN
= 4 V to 5 V, I
I
I
Figure 36. Load Transient Response,
Figure 37. Load Transient Response,
LOAD2
LOAD3
Figure 38. Line Transient Response,
Ω
Ω
IN
B
B
B
W
B
W
, CH2 = V
W
W
= 1 mA to 200 mA, C
= 1 mA to 200 mA, C
CH1 = I
CH1 = I
CH2
CH2 10mV
CH4 10mV
CH2
50mV
LOAD1
50mV
OUT1
LOAD2
LOAD3
I
V
LOAD3
I
V
V
V
V
OUT3
LOAD2
= I
OUT2
, CH3 = V
V
OUT1
OUT2
OUT3
, CH2 = V
, CH2 = V
IN
B
B
B
LOAD2
B
W
W
W
W
M40µs
M40µs
T
T
M1µs
T
= I
OUT2
OUT3
OUT2
10.4%
10.2%
15%
LOAD3
OUT2
OUT3
, CH4 = V
= 1 μF,
= 1 μF,
=100 mA,
A CH1
A CH1
A CH1
OUT3
124mA
84mA
4.62V