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1000AE Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part # 1000AE
Description  EG1000AE Specification Sheet
PDF  9 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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1000AE Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

  1000AE Datasheet HTML 1Page - List of Unclassifed Manufacturers 1000AE Datasheet HTML 2Page - List of Unclassifed Manufacturers 1000AE Datasheet HTML 3Page - List of Unclassifed Manufacturers 1000AE Datasheet HTML 4Page - List of Unclassifed Manufacturers 1000AE Datasheet HTML 5Page - List of Unclassifed Manufacturers 1000AE Datasheet HTML 6Page - List of Unclassifed Manufacturers 1000AE Datasheet HTML 7Page - List of Unclassifed Manufacturers 1000AE Datasheet HTML 8Page - List of Unclassifed Manufacturers 1000AE Datasheet HTML 9Page - List of Unclassifed Manufacturers  
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广州依歌
林工 15015008990,提供技术支持
1000A 理论计算
1、 市电的波形函数是一个正弦曲线(如图 2)
,表达是如下:
)
2
sin(
2
u
ft
U
(1)
其中:U:市电有效值,f:市电频率,φ:初始相位
式 1 的逆运算可以求出
f
U
V
f
f
U
V
F
F
2
/
)
2
/
arcsin(
2
/
1
T2
2
/
)
2
/
arcsin(
T1
(2)
由此可以求出 LED 电流导通时间
1
2
T
T
T 
(3)
2、 灯珠的 V-I 特性曲线:
由式(2)可以看出灯珠的电压 VF 影响 LED 的导通时间,进而影响 LED 的有
效电流,如下:
)
/
600
(
*
R
mV
I
V
n
V
LED
LED
F
(4)
电阻 R 不同,流经 LED 的电流就不同,所呈现的 VF 就不一样,进而影响 LED
的整体电压 VF
3、 LED 功耗计算
VF/IF
T1
T2



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