APW7046 datasheet(7/12 Pages) ANPEC

Part #	APW7046

Description	Dual Advanced PWM and Source-Sink Linear Controller

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Manufacturer	ANPEC [Anpec Electronics Coropration]

Direct Link	http://www.anpec.com.tw

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Copyright

 ANPEC Electronics Corp. Rev. A.

Rev.A.2 - Mar., 2002

APW7046

www.anpec.com.tw

7

Typical Application Circuit

OC SET 2

UGATE2

23

PH A SE2

PGN D

21

VSEN 2

13

MEM0

18

MEM2

20

SS

4

MEM1

19

EN

5

SIN K

7

SOUR CE

6

FB

8

CORE2

17

CORE1

16

CORE0

15

UGATE1

VIN

9

OC SET 1

10

2

PH A SE1

3

VSEN 1

11

R1

10

+3.3V

VCORE

+5V

VM EM

VTT

VM EM

MEM2

MEM1

MEM0

CORE2

CORE1

CORE0

+12V

C1

1uF

C2

1uF

R9

5.1

C12

10uF

C13

330uF

C14

10uF

C15

330uF

14

C11

200pF

R8

1.5K

C2

200pF

R2

1.5K

R3

5.1

C3

10uF

C4

330uF

C5

10uF

L1

1uH

L4

7.8uH

R10

0

R11

NC

D2

MBRD835L

Q2

APM9410

Q1

APM9410

D1

MBRD835L

L2

4.7uH

R4

3

R5

1K

C7

330uF

C6

330uF

C8

330uF

C10

330uF

R6

10K

C9

0.1uF

R7

NC

Q3

APM3055

Q4

APM3055

C16

0.68uF

L3

1uH

C4, C6, C7, C8 , C10, C13, C15 : 330uF/6.3V

S M D Low E S R tantalum Capac itor

S tandard B uck

C onverte r

(PW M 1)

S tandard B uck

C onverte r

(PW M 2)

SOURCE-SINK

Linear C onverter

APW 7046

VCORE

+3.3V

VM EM

+5V

VTT

Q1

Q2

Q3

Q4

Simplified Power System Diagram

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