Datasheet

ADP220/ADP221 Data Sheet
Rev. H | Page 10 of 20
0.001 0.01 0.1 1 10 100 1k
LOAD CURRENT (mA)
60
50
40
30
20
10
NOISE (µV rms)
0
3.3V
2.8V
1.8V
0.8V
07572-022
Figure 22. Output Noise vs. Load Current and Output Voltage, V
IN
= 5 V
CH1 200mA Ω
B
W
CH2 50.0mV
B
W
CH3 10.0mV
B
W
M40.0μs A CH1 132mA
T 10.00%
1
2
3
I
LOAD1
V
OUT1
V
OUT2
I
LOAD1
= 1mA TO 200mA, I
LOAD2
= 1mA
T
07572-023
Figure 23. Load Transient Response,
I
LOAD1
= 1 mA to 200 mA, I
LOAD2
= 1 mA
CH1 = I
LOAD1
, CH2 = V
OUT1
, CH3 = V
OUT2
T
CH1 200mA Ω
B
W
CH2 50.0mV
B
W
CH3 10.0mV
B
W
M40.0μs A CH1 132mA
T 10.00%
1
2
3
I
LOAD1
V
OUT1
V
OUT2
I
LOAD1
= 1mA TO 200mA, I
LOAD2
= 100mA
07572-024
Figure 24. Load Transient Response,
I
LOAD1
= 1 mA to 200 mA, I
LOAD2
= 100 mA,
CH1 = I
LOAD1
, CH2 = V
OUT1
, CH3 = V
OUT2
CH1 1.00V
B
W
CH2 5.00mV
B
W
CH3 5.00mV
B
W
M20.0μs A CH1 4.46V
T 13.60%
2
1
3
V
IN
V
OUT1
V
OUT2
V
IN
= 4V TO 5V, I
LOAD1
= 200mA, I
LOAD2
= 100mA
T
07572-025
Figure 25. Line Transient Response,
V
IN
= 4 V to 5 V, I
LOAD1
= 200 mA, I
LOAD2
= 100 mA
CH1 = V
IN
, CH2 = V
OUT1
, CH3 = V
OUT2
CH1
1.00V
B
W
CH2 5.00mV
B
W
CH3 5.00mV
B
W
M20.0μs A CH1 4.46V
T
10.00%
2
1
3
V
IN
V
OUT1
V
OUT2
V
IN
= 4V TO 5V, I
LOAD1
= 200mA, I
LOAD2
= 1mA
T
07572-026
Figure 26. Line Transient Response
V
IN
= 4 V to 5 V, I
LOAD1
= 200 mA, I
LOAD2
= 1 mA
CH1 = V
IN
, CH2 = V
OUT1
, CH3 = V
OUT2
CH1 5.00V
B
W
CH2 2.00V
B
W
CH3 2.00V
B
W
M40.0μs A CH1 2.10V
T 9.80%
2
1
3
T
07572-027
Figure 27. Shutdown Response, ADP221