Datasheet

AN4164 Testing the board
Doc ID 023660 Rev 1 17/38
The input power vs. input voltage for no load and light load condition ( Table 6 , 8 and 9 ) is
shown in the figures below.
Table 8. Light load performance P
OUT
=25 mW
V
IN
[V
AC
]P
OUT
[mW]
P
IN
[mW] Efficiency (%)
IC externally
biased
IC self-biased
IC externally
biased
IC self-biased
90 25 49.7 128 50.30 19.6
115 25 51.5 157 48.54 15.9
150 25 54.7 200 45.70 12.5
180 25 57.3 236 43.63 10.6
230 25 61.7 296 40.52 8.4
265 25 64.8 337 38.58 7.4
Table 9. Light load performance P
OUT
=50 mW
V
IN
[V
AC
]P
OUT
[mW]
PIN [mW] Efficiency (%)
IC externally
biased
IC self-biased
IC externally
biased
IC self-biased
90 50 82.4 167 60.71 29.94
115 50 85.0 198 58.82 25.25
150 50 89.3 242 55.99 20.66
180 50 93.0 280 53.76 17.86
230 50 98.0 341 51.02 14.66
265 50 101.1 384 49.46 13.02
Figure 22. P
IN
vs. V
IN
at no load and light
load; IC externally biased
(J1 selected)
Figure 23. P
IN
vs. V
IN
at no load and light load,
IC self-biased (J1 not selected)
AM11543v1
0
50
100
150
200
80105130155180205230255
P
IN
[mW]
V
IN
[V
AC
]
0
25mW
50mW
AM11544v1
0
50
100
150
200
250
300
350
400
80105130155180205230
255
P
IN
[mW]
V
IN
[V
AC
]
0
25mW
50mW