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UL52AG-SH2-R Fiches technique(PDF) 4 Page - Unisonic Technologies

No de pièce UL52AG-SH2-R
Description  HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER
PDF  6 Pages
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Fabricant  UTC [Unisonic Technologies]
Site Internet  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UL52AG-SH2-R Fiches technique(HTML) 4 Page - Unisonic Technologies

  UL52AG-SH2-R Datasheet HTML 1Page - Unisonic Technologies UL52AG-SH2-R Datasheet HTML 2Page - Unisonic Technologies UL52AG-SH2-R Datasheet HTML 3Page - Unisonic Technologies UL52AG-SH2-R Datasheet HTML 4Page - Unisonic Technologies UL52AG-SH2-R Datasheet HTML 5Page - Unisonic Technologies UL52AG-SH2-R Datasheet HTML 6Page - Unisonic Technologies  
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UL52A
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R125-064.a
FUNCTIONAL DESCRIPTION
UTC UL52A is constant current drive which integrates the functional module such as LED constant current control
and OUT port high voltage drive. OUT1 port minimum input voltage is 6V (IOUT=20mA) and it can reach output
current 10mA ~ 60mA by external REXT resistor. Built-in LED constant current drive maintains LED current a high
precision without impact of ambient temperature. The chip can achieve high efficiency and high power factor by
opening four switches one by one.
The chip output current is adjustable by REXT resistor IOUT=VREXT/R. Output current generated by four switches
opening one by one is shown below:
IOUT1=0.56V/R
IOUT2=0.73V/R
IOUT3=0.87V/R
IOUT4=0.94V/R



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