AP3033 查看數據表（PDF） - BCD Semiconductor
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AP3033 Datasheet PDF : 13 Pages
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WHITE LED STEP-UP CONVERTER
Typical Performance Characteristics (Continued)
(WLED forward voltage (VF)=3.2V at IF=20mA, unless otherwise noted.)
Preliminary Datasheet
AP3033
220
210
200
190
180
170
160
150
-40 -20
0
20 40 60
80
Case Temperature (0C)
100 120
Figure 8. Feedback Voltage vs. Case Temperature
1000
900
800
700
600
500
400
300
200
100
0.2
0.4
0.6
0.8
Switch Current (A)
T =-400C
C
T =250C
C
T =850C
C
1.0
Figure 9. Saturation Voltage vs. Switch Current
1.8
1.5
1.2
0.9
0.6
0.3
0.0
-40 -20
0
20 40 60 80
Case Temperature (0C)
100 120
Figure 10. Frequency vs. Case Temperature
20
19
18
17
16
15
14
13
12
-40 -20
0
20 40 60 80
Case Temperature (0C)
100 120
Figure 11. OVP Voltage vs. Case Temperature
Jan. 2010 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
7
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