Datasheet
Table Of Contents
- AN-2083 LM3444 A19 Edison Retrofit Evaluation Board
- 1 Introduction
- 2 Evaluation Board Operating Conditions
- 3 Simplified LM3444 Schematic
- 4 Pin-Out
- 5 LM3444 Evaluation Board Schematic
- 6 Bill of Materials LM3444 Evaluation Board
- 7 Output Current versus Number of LEDs for Various Modifications
- 8 Typical Performance Characteristics
- 9 PCB Layout
- 10 EMI/EMC Information
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
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Figure 6. Efficiency vs. Line Voltage Figure 7. Power Factor vs. Line Voltage
Modification B Modification B
8
AN-2083 LM3444 A19 Edison Retrofit Evaluation Board SNVA455C–August 2010–Revised May 2013
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