Datasheet

EVAL-ADP1828LC
Rev. 0 | Page 5 of 12
TEST RESULTS
CH1 10.0V
CH3 10.0mV
CH2 50.0mV M 1.00µs A CH1 3.60V
2
1
3
T
SW
INPUT RIPPLES
OUTPUT RIPPLES
B
W
B
W
06906-003
Figure 3. Output Ripple, V
IN
= 12 V, Load = 5 A
45
50
55
60
65
70
75
80
85
90
95
012345
V
IN
= 4V
V
IN
= 5.5V
V
IN
= 12V
EFFICIENCY (%)
LOAD (A)
f
SW
= 600 kHz
V
OUT
= 1.8V
T
A
= 25°C
06906-004
Figure 4. Efficiency vs. Load Current
CH1 5.00V
CH3 1.00V
CH2 1.00V M 4.00ms A CH1 3.000V
3
1
2
SS
V
OUT
EN
T
06906-005
Figure 5. Soft Start, V
IN
= 12 V
CH1 100mV
CH4 2.00A Ω
M 200µs A CH4 3.60A
4
1
T
V
OUT
(AC-COUPLED)
1A TO 5A STEP LOAD
B
W
06906-006
Figure 6. Load Transient, V
IN
= 12 V, Load = 1 A to 5 A
CH1 2.00V M 4.00ms A CH1 6.08V
1
3
T
V
IN
(5V TO 9V)
V
OUT
(AC-COUPLED)
B
W
B
W
CH3 50.0mV
06906-007
Figure 7. Line Transient, V
IN
= 5 V to 9 V, No Load
CH1 10.0V M 1.00µs A CH1 4.60V
2
1
4
T
DH
INDUCTOR CURRENT
DL
CH2 5.00V
CH4 1.00A Ω
06906-008
Figure 8. Inductor Current Waveform, V
IN
= 12 V, No Load