sp6415 Exar Corporation, sp6415 Datasheet - Page 7

• Manufacturer Part Number: sp6415
• Description: Integrated White Led Driver With Organic Led Display Power Supply
• Manufacturer: Exar Corporation

Feb27-07 Rev K
0.5
0.27
0.25
0.23
0.2
0.
0.7
0.25
0.23
0.2
0.
0.7
0.3
0.
70
65
60
0
85
80
75
2.7
2.7

Feedback Voltage vs. V
Feedback Voltage vs. V
Main Display Efficiency ( 4LEDs )
Inductor=0µH
C
mA
mA
30mA
3
3
OUT
4
= µF
3.3
3.3
V
20mA
IN
Load Current ( mA )
=3V
3.6
3.6
7
3.
V
3.
V
IN
0
IN
( V )
0mA
(V)
4.2
4.2
Integrated White LED Driver With Organic LED Display Power Supply
3
4.5
4.5
IN
IN
(3LEDs)
(4LEDs)
4.8
V
4.8
IN
6
=4.2V
V
IN
0mA
5.
20mA
=3.6V
5.

5.5
5.5
7
0.27
0.25
0.23
0.2
0.
0.7
.5
.4
.3
.2
.
0.
0.8
0.7
0.6
0.5
0.4
.0
0
85
80
70
65
75
60
Typical Performance Characteristics
2.5
2.7

T
V
Feedback Voltage vs. V
Main Display Efficiency ( 4LEDs )
mA
A
C
IN
0mA
=25
3
=3.6V
OUT
V
IN
4
o
3
C
=4.2V
= 4.7µF
3.3
EN Threshold vs. V
Load Current ( mA )
3.6
3.5
7
3.
V
30mA
V
IN
0
IN
( V )
4
(V)
4.2
Inductor=22µH
3
4.5
4.5
IN
(3LEDs)
4.8
IN
6
T
© 2007 Sipex Corporation
T
A
A
20mA
=-40
V
=85
5
5.
IN
=3V
o
o
C
C

5.5
5.5