L8561

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 5

www.unisonic.com.tw

QW-R502-444.c

TYPICAL APPLICATION CIRCUIT

(150W, Wide-range Mains)

ZCD COMP INV

GD

CS

GND

MULT

VCC

UTC

L8561

-

+

(90V~264V)

F1

3

2.0A/250V

1

2

4

+

-

BD1

2KBP06M

C4

1μF/

400V

R1

620K/

1206

R6

620K/

1206

R14

10K/

0805

C8

10nF/

0805

C6

22μF/50V

ZD1

ZD18.0

64

8

3

52

1

7

R2

62K/1206

R7

56K/1206

R3

110/

0805

C1

10nF/0805

D2 1N4148

T1 PFC CHOKE

11

7

2

6

R5 10K/0805

C3

1μF/0805

R13

10/1206

D3 1N4148

Q1

12N65

R16

0.47/1W

R17

0.47/1W

R11

19K/

0.25W

R12

19K/

0.25W

C5

120μF/

450V

R9

750K/1206

R4

750K/1206

D1

BYC5-600

R8

22K/1206

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.