Linear Technology LTC7138, Демонстрационное руководство

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4
dc2172af
DEMO MANUAL DC2172A
Quick start proceDure
0
10
20
30
40
50
60
70
80
90
0.01 0.10 1 10 100 1,000
Efficiency (%)
Load Current (mA)
L = Sumida CDRH105RNP-151NC
(150µH, DCR = 285mΩ typ)
V
OUT
= 5V
140V
IN
100V
IN
48V
IN
12V
IN
dc2172a F03
Figure 3. Efficiency at 5V
OUT
Figure 4. Efficiency at 3.3V
OUT
0
10
20
30
40
50
60
70
80
0.01 0.10 1 10 100 1,000
Efficiency (%)
Load Current (mA)
dc2172a F04
140V
IN
100V
IN
48V
IN
12V
IN
V
OUT
= 3.3V
L = Sumida CDRH105RNP-151NC
(150µH, DCR = 285mΩ typ)
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