UC3552

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

7 of 7

www.unisonic.com.tw

QW-R502-134.B

MULTIPLE-OUTPUT TFT LCD POWER SUPPLY

UTC UC3552

SHDN

EO

SS

IN

FREQ

SW

GND

L1

D1

C3

C4

V1

D2

D3

V2

V3

D4

C1

C2

C5

6.8μH

0.47μF

3.3μF

3.3μF

3.3μF

3.3μF

+26V

5mA

1μF

1μF

0.1μF

0.1μF

1μF

3.3μF

274kΩ

44.2kΩ

18pF

150kΩ

27nF

3.0V ~ 3.6V

UTC assumes no responsibility for equipment failures that result from using products at values that

exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.