Datasheet

EVAL-ADP1828HC
Rev. 0 | Page 5 of 12
TEST RESULTS
CH1 10.0V
CH3 50.0mV
CH2 5.00V M 1.00µs A CH1 6.40V
3
1
2
T
SW
INPUT RIPPLE
OUTPUT RIPPLE
B
W
06903-003
Figure 3. Output Ripple, V
IN
= 12 V, Load = 22 A
02468101214161820
LOAD (A)
90
80
70
60
50
40
30
EFFICIENCY (%)
300kHz
600kHz
V
IN
= 12V
V
OUT
= 1.8V
T
A
= 25°C
06903-004
Figure 4. Efficiency vs. Load Current
CH1 5.00V
CH3 200mV
CH2 200mV M 4.00ms A CH4 1.12V
2
1
4
SS
CH4 2.00V
V
IN
= 0V TO 3V
VREG
FB
T
DH
06903-005
Figure 5. Soft Start into Precharged Load
CH1 100mV
CH4 5.00A Ω
M 200µs A CH4 8.20A
1
4
T
V
OUT
(AC-COUPLED)
STEP LOAD (5A TO 20A)
0
6903-006
B
W
Figure 6. Load Transient, V
IN
= 12 V, Load = 5 A to 20 A
CH1 2.00V
CH3 50.0mV
M 4.00ms A CH1 6.08V
3
T
V
OUT
(AC-COUPLED)
1
V
IN
= 5V TO 9V
0
6903-007
B
W
Figure 7. Line Transient, V
IN
= 5 V to 9 V, No Load
CH1 10.0V
CH4 2.00AΩ
CH2 5.00V M 1.00µs A CH1 3.60V
4
1
2
DL
INDUCTOR CURRENT
DH
T
0
6903-008
Figure 8. Inductor Current Waveform, V
IN
= 12 V, No Load