Diodes AP3033 - Manual (Page 6)

Preliminary Datasheet
6
Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
WHITE LED STEP-UP CONVERTER AP3033
Typical Performance Characteristics
Figure 6. Minimum Operating Voltage vs. Figure 7. Quiescent Current vs. Input Voltage
Figure 4. Efficiency vs. Output Current Figure 5. Efficiency vs. Input Voltage
(WLED forward voltage (V
F
)=3.2V at I
F
=20mA, unless otherwise noted.)
4 5 6 7 8 9
0
20
40
60
80
100
Ef
ficiency (%)
Input Voltage (V)
V
OUT
=10V, I
OUT
=160mA,
L=10 µ H, T
A
=25 0 C
-40 -20 0 20 40 60 80 100 120
2.0
2.1
2.2
2.3
2.4
2.5
2.6
Mini
m
um O
perat
ing V
ol
tage
(V)
Case Temperature ( 0 C)
2 4 6 8 10 12 14 16
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
Qu
ie
sc
en
t C
ur
re
nt
(m
A
)
Input Voltage (V)
V
FB
=V
IN
, T
A
=25 0 C
CaseTemperature
0 50 100 150 200 250 300
0
20
40
60
80
100
V
IN
=5V,V
OUT
=10V
L=10 µ H,T
A
=25 0 C
Ef
ficiency (%)
Output Current (mA)