4
dc1668acf
DEMO MANUAL DC1668A-C
QUICK START PROCEDURE
Figure 2. Measured Efficiency at 12V
IN
, 500kHz
Figure 4. Measured Load Step Response
Figure 3. Thermal Capture at 12V
IN
, 1.8V
OUT
, 50A, 500kHz
No Forced Airflow (Convection). T
A
= 29°C
Figure 5. Measured Output Voltage Ripple (20MHz BW)
LOAD CURRENT (A)
0
EFFICIENCY (%)
50
40
30
1668ac F02
95
90
20
10
85
80
75
70
3.3V
OUT
2.5V
OUT
1.8V
OUT
1.5V
OUT
1.2V
OUT
1V
OUT
1668ac F04
20A/DIV
100mV/DIV
V
OUT
I
OUT
STEP
V
OUT
= 1.8V
I
OUT
DC = 25A
I
OUT
STEP = 25A
f
SW
= 500kHz
1668ac F05
20mV/DIV
V
OUT
V
OUT
= 1.8V
I
OUT
= 50A
f
SW
= 500kHz