Diodes AP5726 - Manual (Page 7)

AP5726
WHITE LED STEP-UP CONVERTER
AP5726
Document number: DS31845 Rev. 3 - 2
7 of 17
www.diodes.com
July 2010
© Diodes Incorporated
Typical Performance Characteristics (Continued)
I
OUT
vs. Efficiency
60
65
70
75
80
85
90
0 5 10 15 20 25 30
I
OUT
(m A)
E
ff
icien
cy(
%
)
4 LEDs ; L = 22uH
V
IN
= 4.2V
V
IN
= 3.6V
I
OUT
vs. Efficiency
60
65
70
75
80
85
90
0 5 10 15 20 25 30
I
OUT
(mA)
E
ff
ici
en
cy(%)
6 LEDs ; L = 22uH
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
vs. Efficiency
40
50
60
70
80
90
100
2.5 3 3.5 4 4.5 5
V
IN
(V)
E
ffi
ci
e
n
cy(%
)
3 LEDs
6 LEDs
4 LEDs