Instruction Manual

AP5725
WHITE LED STEP-UP CONVERTER
AP5725
Document number: DS31844 Rev. 3 - 2
5 of 17
www.diodes.com
July 2010
© Diodes Incorporated
Typical Performance Characteristics (6 LEDs ; V
IN
= 3.6V ; I
OUT
= 25mA)
V
IN
vs. Shutdown Current
0
0.2
0.4
0.6
0.8
1
2.533.544.555.5
V
IN
(V)
Shutdown Current(uA)
V
IN
vs. Quiescent Current
0
100
200
300
400
500
600
700
2.5 3 3.5 4 4.5 5 5.5
V
IN
(V)
Quiescent Current(uA)
V
IN
vs. Frequency
1
1.05
1.1
1.15
1.2
1.25
2.5 3 3.5 4 4.5 5 5.5
V
IN
(V)
Frequency(MHz)
V
IN
vs. Max Duty
80
85
90
95
100
2.533.544.555.5
V
IN
(V)
Max Duty(%)
V
IN
vs. Feedback Voltage
0.2
0.22
0.24
0.26
0.28
0.3
2.5 3 3.5 4 4.5 5 5.5
V
IN
(V)
Feedback Voltage(V)
I
OUT
vs. Feedback Voltage
0.2
0.22
0.24
0.26
0.28
0.3
0 1020304050
I
OUT
(mA)
Feedback Voltage(V)