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參數(shù)資料
| 型號(hào)： | D306A |
| 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(qū)動(dòng)IC |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 410K |
| 代理商： | D306A |
7
Designing With D306A
There are many variables which can be optimized to
achieve the desired performance for specific
applications. The luminance of the EL lamp is a
function of the output voltage applied to the lamp by
the IC, the frequency at which the voltage is applied,
the lamp material properties, and the lamp size. Durel
offers the following component selection aids to help
the designer select the optimum circuit configuration.
I. Lamp Frequency Capacitor (CLF)
Selection
Selecting the appropriate value of capacitor (CLF)
for the low frequency oscillator will set the output
frequency of the D306A EL driver IC. Figure 1
graphically represents the effect of the CLF capacitor
value on the oscillator frequency at Vbat = 13.5V,
Vcc = 5.0V.
Figure 1: Typical Lamp Frequency vs. CLF Capacitor
Figure 2: Typical Inductor Frequency vs.CHF Capacitor
II. Inductor Switching Frequency
(CHF) Selection
Selecting the appropriate value of capacitor (CHF)
for the high frequency oscillator will set the inductor
switching frequency of the D306A inverter. Figure 2
graphically represents the effect of the CHF capacitor
value on the oscillator frequency at Vbat = 13.5V,
Vcc = 5.0V.
0
10
20
30
40
50
60
70
80
0
200
400
CHF (pF)
600
800
1000
I
Figure 3: Brightness and current vs. inductor value
Conditions:
Vcc = 5V, Vbat = 6.5V, 6.1 in
2
(39.4 cm
2
) EL Lamp
III. Inductor (L) Selection
The inductor value has a large impact on the output
brightness and current consumption of the driver.
Figure 3 shows typical brightness and current draw
of a D306A circuit with different inductor values.
Please note that the DC resistance (DCR) and current
rating of inductors with the same 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. This curve is intended to give the
designer a relative scale from which to optimize
specific applications. Absolute measurements may
vary depending upon the type and brand of other
external components selected.
0
5
10
15
20
25
0
1
2
3
4
5
6
7
8
9
10
Inductor Value (mH)
L
60
80
100
120
140
160
C
Luminance
Current
0
200
400
600
800
1000
0
5
10
15
20
25
30
35
40
45
CLF (nF)
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| D306EWA | 功能描述:LED 顯示器和配件 Orange Dual 7 Segment RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長:628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
| D306RW | 制造商:MPD 制造商全稱:MicroPower Direct, LLC 功能描述:Single & Dual Output 3W SIP, Wide Input DC/DC Converters |
| D306SURWA/S530-A3 | 功能描述:LED 顯示器和配件 Hyper Red Dual 7 Segment RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長:628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
| D3070 | 制造商:Dagnall Electronics 功能描述:TRANSFORMER 100VA 2 X 9V |
| D3070 | 制造商:Dagnall Electronics 功能描述:TRANSFORMER 100VA 2X 9V |
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