AN75 DIODES [Diodes Incorporated], AN75 Datasheet - Page 11
AN75
Manufacturer Part Number
AN75
Description
High Power Factor LED Replacement T8 Fluorescent Tube
Manufacturer
DIODES [Diodes Incorporated]
Datasheet
1.AN75.pdf
(12 pages)
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AN75
Figure 6 LED driver power factor
Conclusion
This application note provides a simple tool to design an offline LED driver using the AL9910 high
voltage LED controller. It provides a high level of efficiency as well as LED current control over a wide
range of input voltages. Moreover the document explains how to design a system with passive power
factor correction to achieve PF greater than 0.7, allowing compliant with emergent international solid
state lighting standards.
Issue 1 – January 2011
www.diodes.com
11
© Diodes Incorporated 2010