Datasheet

ADP2147
Rev. 0 | Page 10 of 16
T
4
1
1
2
A CH4 1.32VM 40.0µs
T
5
0
.
0
0
%
CH1 10.0mVΩ CH2 500mA Ω
CH4 2.00V
SW
V
OUT
I
L
09885-026
Figure 27. Typical Waveform, V
OUT
= 1.8 V, PWM Mode, I
OUT
= 200 mA
130
0
10
20
30
40
50
60
70
80
90
100
110
120
0.001 0.01 0.1 1
I
OUT
(A)
V
OUT
RIPPLE (mV)
1.8V, V
IN
= 5.5V, AUTO
1.8V, V
IN
= 3.6V, AUTO
1.8V, V
IN
= 2.3V, AUTO
09885-028
Figure 28. V
OUT
Peak-to-Peak Ripple vs. Output Current, V
OUT
= 1.8 V
T
1
2
A CH2 1.72VM 40.0µs
CH1 100mV CH2 2.00V
T –1.966µs
09885-129
Figure 29. VSEL Change Triggering VOUT Transition from 0.981 V to 1.275 V,
I
LOAD
= 10 mA
T
1
2
A CH2 1.72VM 40.0µs
CH1 100mV CH2 2.00V
T 79.64µs
09885-130
Figure 30. VSEL Change Triggering VOUT Transition from 1.275 V to 0.981 V,
I
LOAD
= 10 mA
T
1
2
A CH2 1.76VM 40.0µs
CH1 100mV CH2 2.00V
T 50.20%
09885-131
Figure 31. VSEL Change Triggering VOUT Transition from 0.981 V to1.275 V,
I
LOAD
= 200 mA
T
1
2
A CH2 1.76VM 40.0µs
CH1 100mV CH2 2.00V
T 30.00%
09885-132
Figure 32. VSEL Change Triggering VOUT Transition from1.275 V to 0.981 V, I
LOAD
= 200 mA