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參數資料
| 型號： | D356B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Electroluminescent Lamp Driver IC |
| 中文描述： | 電致發(fā)光燈驅動IC |
| 文件頁數： | 7/12頁 |
| 文件大?。?/td> | 526K |
| 代理商： | D356B |
7
The external inductor (L) selection for a D356B circuit greatly affects the output capability and current draw of the
driver. A careful designer will balance current draw considerations with output performance in the choice of an ideal
inductor for a particular application. Figures 3, 4, and 5 show typical brightness and current draw of a D356B circuit with
different inductor values, lamp sizes, and supply voltages. Please note that the DC resistance (DCR) of inductors with
the same nominal inductance value may vary with manufacturer and inductor type. Thus, inductors made by a different
manufacturer may yield different outputs, but the trend of the different curves should be similar. Lamp luminance is also
a function of lamp size. In each example, a larger lamp will have less luminance with approximately the same current
draw.
II. Inductor (L) Selection
Figure 3: V+=1.5V, 1 in
2
EL Lamp
Figure 4: V+=3.0V, 1 in
2
EL Lamp
Figure 5: V+=5.0V, 4 in
2
EL Lamp
0
2
4
6
8
10
12
0
1
2
3
4
5
Inductor (mH)
0
8
16
24
32
40
48
Luminance
Current
L
C
0
2
4
6
8
10
12
0
1
2
3
4
5
Inductor (mH)
0
8
16
24
32
40
48
Luminance
Current
L
C
0
2
4
6
8
10
12
0
2
4
6
8
10
Inductor (mH)
0
8
16
24
32
40
48
Luminance
Current
L
C
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