FAN5608 Fairchild Semiconductor, FAN5608 Datasheet - Page 11

• Manufacturer Part Number: FAN5608
• Description: Serial/Parallel LED Driver with Current-Regulated/ Step-Up DC/DC Converter
• Manufacturer: Fairchild Semiconductor

FAN5608
4. Driver For 12 White LEDs
Note:
Refer to the Application Information, if a higher load current compliance rating is required
Typical Performance Characteristics
T
REV. 1.0.3 6/28/04
A
DAC Input For CH1
DAC Input For CH2
2.7V to 5V
= 25
°
C, C
L = 4.7µH
IN
= C
OUT
B2
IND
V
A1
B1
A2
IN
0.065
0.060
0.055
0.050
0.045
0.040
0.035
= 4.7µF, L = 4.7µH, unless otherwise noted.
2.5
V
GND
CH2
CH1
IND
OUT
NC
Shutdown Current vs Input Voltage
NN
3.0
4.7µF
3.5
Input Voltage (V)
Figure 4
V
OUT
4.0
0.80
0.75
0.70
0.65
0.60
0.55
0.50
4.5
2.5
I LED = 10mA
3.0
5.0
Efficiency vs Input Voltage
3.5
Input Voltage (V)
Twelve LEDs
5.5
PRODUCT SPECIFICATION
4.0
I LED = 20mA
4.5
5.0
5.5
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