HV831 查看數據表（PDF） - Supertex Inc
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HV831 Datasheet PDF : 8 Pages
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Typical HV831 Performance Curves
(When driving both EL Lamps, EL1 Lamp = 1.3in2, EL2 Lamp = 0.93in2, VDD = 3.0V)
VCS vs VIN
80
75
70
65
60
55
50
2.0
2.5
3.0
3.5
4.0
4.5
VIN (V)
30
28
26
24
22
2.0
2.5
IIN vs VIN
3.0
3.5
VIN (V)
HV831
4.0
4.5
8
7
6
5
4
3
2
2.0
Brightness vs Vin
2.5
3.0
3.5
VIN (V)
90
80
70
60
50
40
30
20
10
100
IIN vs VCS
30
28
26
4.0
4.5
24
22
50 55 60 65 70 75 80
VCS (V)
IIN, VCS, Brightness vs Inductor Value
VCS
Brightness
(measured on
EL1 lamp)
lIN
200
300
400
500
Inductor Value (µH)
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
600
5
A081005
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