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DEMO MANUAL DC2087A
QUICK START PROCEDURE
100
95
90
85
80
75
0
2 4 6 8 10 12 14
16
LOAD CURRENT (A)
Figure 5. Efficiency vs Load Current at V
V
OUT
(20MHz BW)
20mV/DIV
13A TO 26A
LOAD STEP
V
= 12V
IN
V
= 1V
OUT
f
= 350kHz
SW
V
RANGE = 0
OUT
Figure 7. Output Voltage V
vs Load Current
4
Figure 4. Demo setup with PC
V
= 0.9V, 350kHz
OUT
V
= 1.0V, 350kHz
OUT
V
= 1.2V, 350kHz
OUT
V
= 1.5V, 350kHz
OUT
V
= 1.8V, 425kHz
OUT
V
= 2.5V, 500kHz
OUT
V
= 3.3V, 500kHz
OUT
18
20 22
24 26
= 5V
IN
V
OUT
(20MHz BW)
10mV/DIV
OUT
95
90
85
80
75
70
0
2 4 6 8 10 12 14
LOAD CURRENT (A)
Figure 6. Efficiency vs Load Current at V
V
= 12V
IN
V
= 1V
OUT
Figure 8. Output Voltage Ripple
V
= 0.9V, 350kHz
OUT
V
= 1.0V, 350kHz
OUT
V
= 1.2V, 350kHz
OUT
V
= 1.5V, 350kHz
OUT
V
= 1.8V, 425kHz
OUT
V
= 2.5V, 500kHz
OUT
V
= 3.3V, 500kHz
OUT
16
18
20 22
24 26
= 12V
IN
V
= 12V
IN
V
= 1V
OUT
I
= 26A
OUT
f
= 350kHz
SW
T
= 23°C
A
NO AIRFLOW
Figure 9. Thermal Performance
dc2087af
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