Efficiency vs Line Voltage

75.00

77.00

79.00

81.00

83.00

85.00

87.00

89.00

90

100

110

120

130

140

Input voltage (VAC)

Input voltage vs. PF

0.9

0.91

0.92

0.93

0.94

0.95

0.96

0.97

0.98

0.99

1

90

100

110

120

130

140

Input voltage (VAC)

Performance Data and Typical Characteristic Curves

www.ti.com

7

Performance Data and Typical Characteristic Curves

Figure 3 through Figure 26 present typical performance curves for LM3447-A19-120VEVM.

7.1

Efficiency

Figure 3. LM3447-A19-120VEVM Efficiency

7.2

Power Factor

Figure 4. LM3447-A19-120VEVM Power Factor vs Line Voltage

8

LM3447-A19-120VEVM is a Phase-Dimmable, Primary-Side Regulated LED

SLUU937 – May 2012

Driver

Submit Documentation Feedback

Copyright © 2012, Texas Instruments Incorporated