www.fairchildsemi.com
4.2 Efficiency
The efficiency data shown is for the converter with a load of one, two and three LEDs driven at 1A.
Efficiency (%)
90 |
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80 |
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70 |
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60 |
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| 1 LED @ 1 A |
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50 |
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| 2 LEDs @ 1 A | |
40 |
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| 3 LEDs @ 1 A | |
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30 |
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20 |
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10 |
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0 |
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90 | 120 | 270 |
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Input Voltage (V)
Figure 8: Converter Efficiency Data Plotted Against Increasing Line Input
for LED Current of 1A.
© 2007 Fairchild Semiconductor | Page 13 of 17 | Rev 1.1 April 2007 |