SP6415 Datasheet, PDF (7/12 Pages) Sipex Corporation – Integrated White LED Driver With Organic LED Display Power Supply

Typical Performance Characteristics
Feedback Voltage vs. V_IN(4LEDs)
0.25
0.23
mA
0.2
0.
20mA
0mA
0.7
0.5
0.3
0.
2.7 3 3.3 3.6 3. 4.2 4.5 4.8 5. 5.5
V_IN(V)
Feedback Voltage vs. V_IN(3LEDs)
0.27
C_OUT= µF
0.25
0.23 _mA
0.2
0mA
20mA
30mA
0.
0.7
2.7 3 3.3 3.6 3. 4.2 4.5 4.8 5. 5.5
V_IN( V )
EN Threshold vs. V_IN
.5
.4
.3
.2
.
T_A=-40^oC
.0
0.
0.8
0.7 _TA=25oC
0.6
0.5
T_A=85 ^oC
0.4
2.5
3
3.5
4
4.5
5
5.5
V_IN (V)
Feedback Voltage vs. V_IN(3LEDs)
0.27
C_OUT= 4.7µF
0.25
0.23
0.2 mA
20mA
0. ^0mA
30mA
0.72.7 _{3 3.3 3.6 3. 4.2 4.5 4.8 5.}
5.5
V_IN( V )
Main Display Efficiency ( 4LEDs )
0
Inductor=0µH
85
V_IN=4.2V
80
75
70
V_IN=3V
V_IN=3.6V
Main Display Efficiency ( 4LEDs )
0
85
V_IN=3.6V
80
Inductor=22µH
V_IN=3V
75
V_IN=4.2V
70
65
65
60

4
7
0
3
6

Load Current ( mA )
60

4
7
0
3
6

Load Current ( mA )
Feb27-07 Rev K
Integrated White LED Driver With Organic LED Display Power Supply

© 2007 Sipex Corporation