0.900
0.950
1.000
1.050
0.1 0.3 0.5 0.7 0.9
Load Current (A)
115VAC 60Hz
230VAC 50Hz
80.0%
85.0%
90.0%
95.0%
0.1 0.3 0.5 0.7 0.9
Load Current (A)
115VAC 60Hz
230VAC 50Hz
Performance Data and Typical Characteristic Curves
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9 Performance Data and Typical Characteristic Curves
Figure 5 through Figure 18 present typical performance curves for UCD3138PFCEVM-026.
9.1 Efficiency
Figure 5. UCD3138PFCEVM-026 Efficiency
9.2 Power Factor
Figure 6. UCD3138PFCEVM-026 Power Factor
12
Digitally Controlled Single-Phase PFC Pre-Regulator SLUU885B–March 2012–Revised July 2012
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