Texas Instruments UCC28610EVM-474, User Manual

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EFFICIENCY vs. LOAD CURRENT
0.800
0.810
0.820
0.830
0.840
0.850
0.860
0.870
0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3
LOAD (A)
E
F
F
IC
IE
N
C
Y
85VA C
115V AC
230V AC
264V AC
No-Load Power Consumption vs. Line Voltage
265V ac
230Vac
85V ac
115Vac
0
20
40
60
80
100
120
140
80 100 120 140 160 180 200 220 240 260 280
Line Voltage (Vac)
In
p
u
t
P
o
w
e
r
(
m
W
)
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Performance Data and Typical Characteristic Curves
7 Performance Data and Typical Characteristic Curves
Figure 6 through Figure 23 present typical performance curves for the UCC28610EVM-474.
Figure 6. Efficiency as a Function of Load Current and Input Voltage
Figure 7. No-Load Input Power as a Function of Input Voltage
13 SLUU383B – November 2009 – Revised May 2011 UCC28610EVM-474 25-W Universal Off-Line Flyback Converter
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