Owner manual

Preliminary Datasheet
WHITE LED STEP-UP CONVERTER AP3036/A
Jul. 2012 Rev. 1.3. BCD Semiconductor Manufacturing Limited
8
-40 0 40 80 120 160
20
24
28
32
36
OVP Voltage (V)
Temperature (
O
C)
V
IN
=V
CRTL
=3.6V
-40 0 40 80 120 160
0.6
0.8
1.0
1.2
Operating Frequency (MHz)
Temperature (
O
C)
V
IN
=3.6V
5 LEDs
2468101214161820
60
65
70
75
80
85
90
Efficiency (%)
Input Voltage (V)
I
LED
=20mA
8 LEDs
20 30 40 50 60 70
60
64
68
72
76
80
84
88
Efficiency (%)
Output Current (mA)
V
IN
=3.6V
5 LEDs
Typical Performance Characteristics (Continued)
The WLED forward voltage (V
F
) is 3.45V at I
F
=20mA, unless otherwise noted.
Figure 12. OVP Voltage vs. Temperature Figure 13. Operating Frequency vs. Temperature
Figure 14. Efficiency vs. Input Voltage Figure 15. Efficiency vs. Output Current