Datasheet

Light-load performance AN4165
20/37 Doc ID 023661 Rev 1
Figure 22. Efficiency vs. V
IN
at P
IN
= 1 W
Another requirement (EuP lot 6 ) is that the input power should be less than 500 mW when
the converter is loaded with 250 mW. The converter can satisfy even this requirement, as
shown in
Figure 23 .
Figure 23. P
IN
at P
OUT
= 0.25 W
AM13378v1
50
55
60
65
70
75
80
85
90
80 110 140 170 200 230 260
eff [%]
V
IN
[V
AC
]
AM11571v2
0.25
0.3
0.35
0.4
0.45
0.5
80 110 140 170 200 230260
P
IN
[W]
Vin[V]