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UL23EAG-SH2-R 数据表(PDF) 11 Page - Unisonic Technologies

部件名 UL23EAG-SH2-R
功能描述  HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER
PDF  13 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

UL23EAG-SH2-R 数据表(HTML) 11 Page - Unisonic Technologies

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UL23EA
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
11 of 13
www.unisonic.com.tw
QW-R125-072.c
MULTIPLE IC PARALLEL SCHEMES
UL23EA support multiple IC parallel schemes, High PF of adjust brightness application as shown in the figure .If the
output power is too large that the IC over temperature, Multiple IC parallel schemes can be adopted.
Typical Applications：RREXT1=RREXT3=RREXT5=90Ω，RREXT2=RREXT4=RREXT6=10Ω，
0.3S < Switching Period < 3S；
Open the switch for the 1st time，IOUT=90mA；
Open the switch for the 2nd time，IOUT=45mA；
Open the switch for the 3rd time，IOUT=9mA；
The dimming ratio is 100%，50%，10%
When the switching period > 3S，System reset.



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