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LINE VOLTAGE (V
AC
)
EFFICIENCY
(%)
90
85
80
75
70
80 90 100 110 120 130 140
13 LEDs @ 170 mA
LINE VOLTAGE (V
AC
)
POWER FACTOR
0.95
0.90
0.85
0.80
0.75
80 90 100 110 120 130 140
13 LEDs @ 170 mA
Typical Performance Characteristics www.ti.com
Figure 6. Efficiency vs. Line Voltage Figure 7. Power Factor vs. Line Voltage
Modification B Modification B
8
AN-2061 LM3445 A19 Edison Retrofit Evaluation Board SNVA442C–June 2010–Revised May 2013
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