Linear Technology DC1480A, Демонстрационное руководство, Страница: 4 / 8

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dc1480af
DEMO MANUAL DC1480A
Figure 2. Measuring Output Voltage Ripple
C
OUT
V
OUT
+ –
GND
1480a F02
QUICK START PROCEDURE
Figure 3. Efficiency vs Load Current (V
IN
= 12V,
V
OUT1
= 3.3V, 500kHz)
Figure 4. Efficiency vs Load Current (V
IN
= 12V,
V
OUT2
= 1.8V, 500kHz)
LOAD CURRENT (A)
0.01
0
10
20
30
40
50
60
70
80
90
EFFICIENCY (%)
100
0.1 1 10
1480a F03
V
IN
= 12V
V
OUT
= 3.3V
I
LOAD
= 5A MAX
CCM
PS
BM
LOAD CURRENT (A)
0.01
0
10
20
30
40
50
60
70
80
90
EFFICIENCY (%)
100
0.1 1 10
1480a F04
V
IN
= 12V
V
OUT
= 1.8V
I
LOAD
= 5A MAX
CCM
PS
BM