Datasheet

SLUU165A − November 2003 − Revised July 2004
13
UCC28514 User’s Guide
7 Reference Design Performance
Figure 6
OUTPUT A EFFICIENCY
vs
OUTPUT POWER
Efficiency − %
10 40 70 100
50
65
80
90
20 30 50 60 80 90
60
55
70
75
85
P
OUT
− Output Power − W
V
IN
= 265 V
V
IN
= 85 V
V
IN
= 175 V
Figure 7
10 20 30 40 50 60 70 80 90 10
0
0.85
0.90
0.95
1
OUTPUT A POWER FACTOR
vs
OUTPUT POWER
PF − Power Factor
P
OUT
− Output Power − W
V
IN
= 265 V
V
IN
= 85 V
V
IN
= 175 V
Figure 8
10 20 30 40 50 60 70 80 90 100
0
5
10
15
20
25
30
35
OUTPUT A THD
vs
OUTPUT POWER
Current THD − %
P
OUT
− Output Power − W
V
IN
= 265 V
V
IN
= 85 V
V
IN
= 175 V