Datasheet

ADP5022
Rev. C | Page 12 of 28
08253-016
4
1
T
2
CH1 50.0mV
CH4 5.00V
M 20.0µs A CH2 356mA
T 60.000µs
B
W
CH2 50.0mA Ω
B
W
B
W
VOUT
I
OUT
SW
Figure 28. Buck1 Response to Load Transient, I
OUT1
from 1 mA to 50 mA,
VOUT1 = 3.3 V, Auto Mode
08253-015
4
1
T
2
CH1 50.0mV
CH4 5.00V
M 20.0µs A CH2 379mA
T 22.20%
B
W
CH2 50.0mA Ω
B
W
B
W
VOUT
I
OUT
SW
Figure 29. Buck2 Response to Load Transient, I
OUT2
from 1 mA to 50 mA,
VOUT2 = 1.8 V, Auto Mode
08253-017
4
2
T
1
CH1 50.0mV
CH4 5.00V
M 20.0µs A CH2 408mA
T 20.40%
B
W
CH2 200mA Ω
B
W
B
W
VOUT
I
OUT
SW
Figure 30. Buck1 Response to Load Transient, I
OUT1
from 20 mA to 180 mA,
VOUT1 = 3.3 V, Auto Mode
08253-018
4
2
T
1
CH1 100mV
CH4 5.00V
M 20.0µs A CH2 88.0mA
T 19.20%
B
W
CH2 200mA Ω
B
W
B
W
VOUT
I
OUT
SW
Figure 31. Buck2 Response to Load Transient, I
OUT2
from 20 mA to 180 mA,
VOUT2 = 1.8 V, Auto Mode
08253-066
4
1
3
T
2
CH1 5.00V
CH4 5.00V
M 400ns A CH4 1.90V
T 50.00%
B
W
CH2 5.00V
B
W
B
W
CH3 5.00V
B
W
VOUT1
VOUT2
SW1
SW2
Figure 32. VOUT and SW Waveforms for Buck1 and Buck2 in PWM Mode
Showing Out-of-Phase Operation
08253-022
2
3
T
1
CH1 2.00V M 40.0µs A CH3 2.2V
T 11.20%
B
W
CH2 50.0mA Ω
B
W
B
W
CH3 5.00V
B
W
VOUT
EN
I
IN
Figure 33. LDO Startup, VOUT3 = 3.0 V, I
OUT3
= 5 mA