L6910 データシートの表示（PDF） - STMicroelectronics
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L6910 Datasheet PDF : 29 Pages
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Figure 18. PCB and Components Layouts
L6910 - L6910A
Component Side
Solder Side
7.1 Compact Demo Board Performances
Figures 19, 20 show the measured efficiency versus load current for different values of output voltage. The mea-
sure has been done at 5V and 12V input. Output voltage has been changed modifying the value of R1 in the
demo board as reported in the part list.
Figure 19. Efficiency vs. Output Current
100
95
90
85
80
75
Vin=Vcc=5V
Fsw=200KHz
70
1
2
3
4
5
6
Output Current (A)
Vo=3.3V
Vo=2.5V
Vo=1.8V
Vo=1.5V
Vo=1.2V
7
8
Figure 20. Efficiency vs. Output Current
95
90
Vo=5V
Vo=3.3V
85
Vo=2.5V
80
75
Vin=Vcc=12V
Fsw=200KHz
Vo=1.8V
Vo=1.5V
Vo=1.2V
70
1
2
3
4
5
6
7
8
Output Current (A)
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