AP3031KTR-G1 Просмотр технического описания (PDF) - BCD Semiconductor
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AP3031KTR-G1 Datasheet PDF : 16 Pages
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WHITE LED STEP-UP CONVERTER
Typical Performance Characteristics
(WLED forward voltage (VF)=3.2V at IF=20mA, unless otherwise noted.)
Data Sheet
AP3031
90
85
80
75
70
65
60
55
V =5V, V =10V, T =25oC
IN
OUT
A
C =10µF, C =0.47µF, L=4.7µH
50
IN
OUT
45
0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340
Output Current (mA)
Figure 4. Efficiency vs. Output Current
95
90
85
80
75
70
65
60
V =10V, I =260mA,T =25oC
OUT
OUT
A
C =10µF, C =0.47µF, L=4.7µH
55
IN
OUT
50
3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5
Input Voltage (V)
Figure 5. Efficiency vs. Input Voltage
2.70
2.65
2.60
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
-60 -40 -20
0 20 40 60 80 100 120 140
Temperature (oC)
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
T = -40oC
A
3.9
T = 25oC
A
3.8
T = 85oC
A
3.7
2
4
6
8
10
12
14
16
Input Voltage (V)
Figure 6. Minimum Operating Voltage vs. Temperature
Figure 7. Quiescent Current vs. Input Voltage
Apr. 2009 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
6
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