Fairchild FEB157-001 User Manual

Page 12

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© 2007 Fairchild Semiconductor

Page 12 of 17

Rev 1.1 April 2007

www.fairchildsemi.com

4. Test Results

4.1 Regulation

4.1.1 Line Regulation

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

Figure 7: LED Current vs. Line Voltage

Input Voltage (Vac)

LED Current (mA)

1 LED
2 LEDs
3 LEDs

0

200

400

600

800

1000

1200

90

120

270

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