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UL22L-SH2-R Datasheet(PDF) 10 Page - Unisonic Technologies

Part # UL22L-SH2-R
Description  LED DRIVER CONTROLLER
PDF  13 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UL22L-SH2-R Datasheet(HTML) 10 Page - Unisonic Technologies

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UL22
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
10 of 13
www.unisonic.com.tw
QW-R125-088.a
REFERENCE DESIGN
1.
4.5W, 2-channel COLOR control by ON/OFF AC-Switch (Free-Dimming
TM)
Featured
Device
Application
Input Voltage
Output Voltage
(Rated Current)
Rated Output
Power
Topology
UTC UL22
LED Driver with
Free-Dimming
TM
90~264VAC
30V/150mA
4.5W
Flyback with
DCM fixed FOSC
Schematic
Figure 4: Schematic
Typical Performance
Table 1: Measured Results
Vin
90Vac
110Vac
135Vac
175Vac
220Vac
264Vac
Pin, [W]
5.644
5.585
5.584
5.629
5.691
5.797
VLED, [V]
32.20
31.93
31.93
31.91
31.90
31.90
ILED, [mA]
149.3
149.2
149.2
149.2
149.3
149.4
EFFLED, [%]
85.18
85.3
85.31
84.58
83.69
82.21
ACC, [%]
0.00
-0.07
-0.07
-0.07
0.00
0.07
THD, [%]
8.389
7.122
9.859
10.328
15.356
19.949
PF
0.993
0.99
0.983
0.967
0.939
0.907



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