AP5725
WHITE LED STEP-UP CONVERTER
Typical Performance Characteristics (Continued)
35
33
31
29
27
25
V IN vs. OVP Threshold
1
0.8
0.6
0.4
0.2
0
Temperature vs. Shutdown Current
2.5
3
3.5
4
V IN (V)
4.5
5
5.5
-50
-25
0
25 50 75
Temperature ( ℃ )
100
125
35
30
Temperature vs. OVP Threshold
1.7
1.4
Tem perature vs. Frequency
V IN = 4.2V
25
20
15
10
1.1
0.8
0.5
0.2
V IN = 3.6V
-50
-25
0
25 50 75
Temperature ( ℃ )
100
125
-50
-25
0
25 50 75
Tem perature ( ℃ )
100
125
Temperature vs. Feedback Voltage
0.28
0.27
V IN = 4.2V
0.26
0.25
0.24
0.23
V IN = 3.6V
-50
-25
0
25 50
Temperature( ℃ )
75
100
125
AP5725
Document number: DS31844 Rev. 3 - 2
6 of 17
www.diodes.com
July 2010
? Diodes Incorporated
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