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UL23EAL-SH2-R データシート(PDF) 11 Page - Unisonic Technologies

部品番号 UL23EAL-SH2-R
部品情報  HIGH ACCURACY LINEAR CONSTANT CURRENT LED DRIVER
PDF  13 Pages
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メーカー  UTC [Unisonic Technologies]
ホームページ  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UL23EAL-SH2-R データシート(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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