Diodes AP5725 - Manual (Page 6)

AP5725
WHITE LED STEP-UP CONVERTER
AP5725
Document number: DS31844 Rev. 3 - 2
6 of 17
www.diodes.com
July 2010
© Diodes Incorporated
Typical Performance Characteristics (Continued)
V
IN
vs. OVP Threshold
25
27
29
31
33
35
2.5 3 3.5 4 4.5 5 5.5
V
IN
(V)
O
V
P
Th
re
s
h
ol
d(V
)
Temperature vs. Shutdown Current
0
0.2
0.4
0.6
0.8
1
-50 -25 0 25 50 75 100 125
Shut
down
C
u
rre
nt
(u
A
)
Temperature (℃)
Temperature vs. OVP Threshold
10
15
20
25
30
35
-50 -25 0 25 50 75 100 125
Temperature (℃)
OVP Th
re
s
hold(
V)
Tem perature vs. Frequency
0.2
0.5
0.8
1.1
1.4
1.7
-50 -25 0 25 50 75 100 125
Tem perature ( ℃)
F
req
u
en
cy (
MH
Z
)
V
IN
= 3.6V
V
IN
= 4.2V
Temperature vs. Feedback Voltage
0.23
0.24
0.25
0.26
0.27
0.28
-50 -25 0 25 50 75 100 125
Temperature(℃)
F
eed
b
ack V
o
lt
a
g
e
(V
)
V
IN
= 3.6V
V
IN
= 4.2V