Preliminary datasheet, Wled forward voltage (v, 2v at i – Diodes AP3033 User Manual
Page 6: Casetemperature
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)