ULD3380

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 4

www.unisonic.com.tw

QW-R109-034.b



TYPICAL APPLICATION CIRCUIT

C1

4.7μF

R1

1MΩ

R2

511K

C3

4.7μF

C5

3.3nF

R3

10K

1

5

2

VC

GND

ACTL

SENSE

GATE

UTC

ULD3380

C4

1nF

4

6

3

R6

22Ω

D1

ES2J

R7

L2

680μH

C6

47μF/50V

+

1

LED+

ZD2

54V

1

LED-

R4

10Ω

ZD1

12V

Q1

D2

ES1J

0.5Ω

4N60

L1

1mH

C2

4.7μF

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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.