FAN5608

PRODUCT SPECIFICATION

REV. 1.0.3 6/28/04

11

4. Driver For 12 White LEDs

Note:

Refer to the Application Information, if a higher load current compliance rating is required

Typical Performance Characteristics

NN

2.7V to 5V

L = 4.7

µH

V

IN

B1

A1

A2

IND

IND

GND

B2

CH1

CH2

V

OUT

DAC Input For CH1

DAC Input For CH2

4.7

µF

NC

V

OUT

2.5

3.0

3.5

4.0

4.5

5.0

5.5

0.50

0.55

0.60

0.65

0.70

0.75

0.80

Twelve LEDs

Efficiency vs Input Voltage

Input Voltage (V)

ILED = 20mA

ILED = 10mA

Figure 4

2.53.0

3.54.0

4.5

5.0

5.5

0.035

0.040

0.045

0.050

0.055

0.060

0.065

Shutdown Current vs Input Voltage

Input Voltage (V)