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SM2316E Datasheet(PDF) 4 Page - Linkage Goston Electronics Co., LTD

Part No. SM2316E
Description  Single channel LED constant current drive control chip
Download  13 Pages
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Maker  LINKAGE [Linkage Goston Electronics Co., LTD]
Homepage  http://www.linkage.cn/
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SM2316E Datasheet(HTML) 4 Page - Linkage Goston Electronics Co., LTD

 
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SM2316E 单通道 LED 恒流驱动控制芯片 QZIWIGV1.0
- 4 -
OUT 端口输出电流特性
SM2316E 的 OUT 端口输出电流计算公式:
(A)
rext(Ω)
0.3V
rext
V
I
REXT
OUT
图 1. SM2316E 输出电流与 rext 电阻关系曲线
图 2. SM2316E 恒流曲线图
上图 2 的 SM2316E 恒流曲线可看出常温下 OUT 端口最低电压 VOUT_MIN:IOUT = 20mA,VOUT_MIN = 4.1V;
IOUT = 30mA,VOUT_MIN = 4.6V;IOUT = 40mA,VOUT_MIN = 5.0V;IOUT = 50mA,VOUT_MIN = 5.5V。
图 3. SM2316E 输出电流温度特性
0
20
40
60
80
0
50
100
150
200
250
Iout(mA)
Rext(Ω)
Iout VS.rext
0
20
40
60
80
0
5
10
15
20
25
30
Iout(mA)
Vout(V)
Iout VS. Vout
20mA
30mA
40mA
50mA
0
20
40
60
80
-40 -20
0
20
40
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80 100 120 140 160
Iout(mA)
TEMP(℃)
Iout温度曲线
40mA
60mA
注:如需最新资料或技术支持,请与我们联系
sale@linkage.cn
业务电话:400-033-6518
www.linkage66.com


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