FAN5608_06 Datasheet, PDF (11/13 Pages) Fairchild Semiconductor – Serial / Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter

2.7V to 5.5V ^{L = 3.3µH}
DAC Input for CH1
DAC Input for CH2
INDB
INDA
V_IN
V_OUT
A1
GND
FAN5608DHMPX
A2
CH2
B1
CH1
B2
NC
4.7µF
V_OUT
Figure 22. FAN5608 with ten LEDs
Figure 23. FAN5608 efficiency with ten LEDs
2.7V to 5.5V ^{L = 2.7µH}
DAC Input for CH1
DAC Input for CH2
INDB
INDA
V_IN
V_OUT
A1
GND
FAN5608DHMPX
A2
CH2
B1
CH1
B2
NC
4.7µF
V_OUT
Figure 24. FAN5608 with twelve LEDs
Figure 25. FAN5608 efficiency with twelve LEDs
© 2006 Fairchild Semiconductor Corporation
FAN5608 Rev. 1.0.5 • 8/8/06
11
www.fairchildsemi.com