4
dc2005af
DEMO MANUAL DC2005A
QUICK START PROCEDURE
LOAD CURRENT (A)
60
EFFICIENCY (%)
70
80
90
100
0.01
1
2
50
0.1
1.2V
OUT
1.8V
OUT
2.5V
OUT
3.3V
OUT
5.0V
OUT
V
IN
= 12V
I
OUT
= 0A TO 2A
f
SW
= 1MHz
LOAD CURRENT (A)
0
EFFICIENCY (%)
70
80
2
60
50
0.5
1
1.5
100
90
1.2V
OUT
1.8V
OUT
2.5V
OUT
3.3V
OUT
5.0V
OUT
V
IN
= 12V
I
OUT
= 0A TO 2A
f
SW
= 1MHz
V
OUT
20mV/DIV
V
SW
10V/DIV
20MHz BW LIMIT
V
IN
= 12V
V
OUT
= 5V
I
OUT
= 2A
f
SW
= 1MHz
1µs/DIV
V
OUT
200mV/DIV
I
OUT
1A/DIV
V
P-P
= 250mV
1A TO 2A
V
IN
= 12V
V
OUT
= 5V
I
OUT
= 1A
100µs/DIV
Figure 3. Measured Efficiency in Burst Mode Operation (BM)
Figure 4. Measured Efficiency in Forced Continuous Mode (FCM)
Figure 5. Measured Output Voltage Ripple
Figure 6. Load Transient Response