UL22L-SH2-R datasheet(10/13 Pages) UTC

部件名	UL22L-SH2-R

功能描述	LED DRIVER CONTROLLER

PDF	13 Pages

Scroll/Zoom	100%

制造商	UTC [Unisonic Technologies]

网页	http://www.utc-ic.com

标志

10 / 13 page

UL22

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

10 of 13

www.unisonic.com.tw

QW-R125-088.a



REFERENCE DESIGN

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

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

31.91

31.90

ILED, [mA]

149.3

149.2

149.3

149.4

EFFLED, [%]

85.18

85.3

85.31

84.58

83.69

82.21

ACC, [%]

0.00

-0.07

0.00

0.07

THD, [%]

8.389

7.122

9.859

10.328

15.356

19.949

0.993

0.99

0.983

0.967

0.939

0.907

UL22L-SH2-R 数据表(PDF) 10 Page - Unisonic Technologies

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