4
Rev. 0
TEST RESULTS
Figure 3. Efficiency vs load Current with V
IN
= 12V, f
SW
= 480kHz
Figure 4. V
OUT
Voltage Ripple
Figure 5. V
OUT
Load Transient Response
OUTPUT LOAD CURRENT (A)
0
5
10
15
20
25
65
70
75
80
85
90
95
100
EFFICIENCY (%)
dc2824a-a F01
0.65V
OUT
0.8V
OUT
1V
OUT
1.2V
OUT
1.8V
OUT
3.3V
OUT
2µs/DIV
dc2824a-a G04a
V
OUT
5mV/DIV
V
IN
= 12V, I
OUT
= 25A, f
SW
= 480kHz
(a) V
OUT
= 1V
2µs/DIV
dc2824a-a G04b
V
OUT
5mV/DIV
V
IN
= 12V, I
OUT
= 25A, f
SW
= 480kHz
(b) V
OUT
= 1.8V
100µs/DIV
dc2824a-a G05a
V
OUT
20mV/DIV
V
IN
= 12V, f
SW
= 480kHz
LOAD STEP
0A TO 6.25A
10A/DIV
(a) V
OUT
= 1V
100µs/DIV
dc2824a-a G05b
V
OUT
20mV/DIV
V
IN
= 12V, f
SW
= 480kHz
LOAD STEP
0A TO 6.25A
10A/DIV
(b) V
OUT
= 1.8V