0

Feb27-07 Rev K

Integrated White LED Driver With Organic LED Display Power Supply

© 2007 Sipex Corporation

Typical Switching Waveform



3

2

V

I

) V

2) V

3) Inductor Current, 200mA / div,DC

T= 0µS / div

Inductor=0µH, C



3

2

Typical Switching Waveform

V

I

) V

2) V

3) Inductor Current, 200mA / div,DC

T= 0µS / div

Inductor=0µH, C

Step Response

V

) Load 2mA to 5mA to 2mA ,DC.

2) V

3) Inductor Current 200mA / div,DC

T= 20µS /div



3

2

V

) EN , V/ div.DC

2) V

3) Inductor Current 00mA/div,DC

Load = 4LEDs, T=2ms/div

Start-Up/Shutdown



3

2

Typical Performance Characteristics

Output Over Voltage Protection vs. Temp.

FB Trip Point vs Temperature

SUB Display

2.0

2.2

2.4

2.6

2.8

22.0

22.2

22.4

22.6

22.8

23.0

-40

-20

0

20

40

60

80

85

.

.20

.2

.22

.23

.24

.25

-40

-20

0

20

40

60

80

85

V