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4.Test Results 4.1 Regulation

4.1.1Line Regulation

This graph illustrates the regulation of the output current over line voltage for the three possible settings, 350mA, 700mA, and 1A.

LED Current (mA)

1200

1000

800

 

 

 

 

 

1 LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

600

 

 

 

 

 

2 LEDs

 

 

 

 

 

 

400

 

 

 

 

 

3 LEDs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

200

0

 

 

90

120

270

Input Voltage (Vac)

Figure 7: LED Current vs. Line Voltage

© 2007 Fairchild Semiconductor

Page 12 of 17

Rev 1.1 April 2007

Page 12
Image 12
Fairchild FEB157-001 manual Test Results 4.1 Regulation Line Regulation, LED Current vs. Line Voltage