參數(shù)資料
型號(hào)： MBI5170CD
廠商： Electronic Theatre Controls, Inc.
英文描述： 8-Bit Constant Current LED Sink Driver with Gain Control
中文描述： 8位恒流增益控制LED驅(qū)動(dòng)器
文件頁(yè)數(shù)： 15/24頁(yè)
文件大?。?/td> 400K
代理商： MBI5170CD
MBI5170 8-Bit Constant Current LED Sink Driver with Gain Control
August 2004, VA.00
- 15 -
Operation Principle
Constant Current
In LED display applications, MBI5170 provides nearly no current variations from channel to channel and from IC to
IC. This can be achieved by:
1) While I
OUT
≦
100mA, the maximum current skew between channels is less than
±
3%, and that between IC
’
s is
less than
±
6%.
2) In addition, the characteristics curve of output stage in the saturation region is flat and users can refer to the
output characteristics figure as shown below. Thus, the output current can be kept constant regardless of the
variations of LED forward voltage (Vf).
I
out
v.s. V
DS
curve for various R
ext
(V
DD
= 5.0V)
0
20
40
60
80
100
120
140
0.0 0.1 0.2 0.3
0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1
1.2 1.3 1.4 1.5
V
DS
(V)
I
o
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相關(guān)代理商/技術(shù)參數(shù)
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MBI5170CDW 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Constant Current LED Sink Driver with Gain Control
MBI5170CN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Constant Current LED Sink Driver with Gain Control
MBI5170CP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Constant Current LED Sink Driver with Gain Control
MBI5171 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Constant Current LED Driver with LED Error Detection and Run-Time Current Adjustment
MBI5171CD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Constant Current LED Driver with LED Error Detection and Run-Time Current Adjustment
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