Microsemi

Linfinity Microelectronics Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 6

Copyright

© 2000

Rev. 1.1, 2000-12-01

VDD

PVDD

CP

RPW M

CPW M

VREF

V25

GN D

SLEEP

MUTE

INAMPO UT

INPUT +

INPUT -

EAO UT

EAIN

FA O U T

S TA TU S

CLO C K

P+

PG ND

CN

FB K +

FB K -

N+

P-

N-

IS -

R 5 34.8 K

R 1 56.2 K

R 2 10K

C11

4.7µ F

C3

470 nF

C14

470 nF

C4

150 pF

C5

18p F

R 8 10K

R 9 10K

C26

330 pF

C2

1µ F

C1

1µ F

C16

100 pF

MU TE

SLEEP

V

IN

7V to 15V

C22

.1µ F

R11

10 o hm

R6

10 o hm

R10

10 o hm

R12

10 o hm

Q3

Q2

Q4

C8

.1µ F

50V

RS1

.034 7

C17

220µF

25V

Q1

C12

.1µ F

C10

4.7µ F

R13

15 o hm

1W

L1 15µH

L2 15µH

C20

.68µ F

C21

.68µ F

C19

.47µ F

C18

.47µ F

R3

24.3 K

C7

220 pF

R4

24.3 K

C6

220 pF

L X 171 0

NC

NC

AU DIO

IN PUT

NC

25

24

26

5

6

1

4

2

10

11

9

7

8

14

13

15

28

27

23

22

20

21

19

18

16

17

12

NC

3

C9

0.1µ F

35V

C13

2.2µ F

+

+

+

+

 – Evaluation Board Schematic