RT9231A データシートの表示（PDF） - Richtek Technology

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RT9231A

Advanced PWM and Triple Linear Power Controller

Richtek Technology 

RT9231A

Ordering Information

RT9231A… …

Package type

S : SOP-28

Operating temperature range

C: Commercial standard

Typical Application Circuit

12V

F1

L1

5V

15A

1µH

GND

5V

3.3V

V OUT2

(3.3V or 1.5V)

HUF76137S3S

Q3

+ C9

1000µF

+ C18

1000µF

TYEDET

V OUT3

1.5V

Q4

RFD3055

+ C19

1000µF

V OUT4

1.8V

+ C20

270µF

RFD3055

Q5

R12

10

+C1-4

4x1000µF

C7

1µF

28

16

VCC

23

VAUX OCSET

C22

1µF

1 DRIVE2

10 VSEN2

PGOOD 8

UGATE 27

PHASE 26

RT9231A

LGATE 25

11 SELECT

PGND 24

VSEN1 22

18

DRIVE3

FB 21

19

VSEN3

15 DRIVE4

14 VSEN4

9 SD

2

FIX

VID0 7

VID1 6

VID2 5

VID3 4

VID4 3

SS 12

GND

17

C8

1000pF

R2

C5-6

2x1µF

1.21k

POWERGOOD

Q1

PHB83N03LT

R13

L3

10K

Q2

PHB95N03LT

3.5µH

R4

4.99K

+

C10-16

7x1000µF

C17

R7 0.68µF

732K

C21

0.1µF

V OUT1

1.3 to 3.5V

www.richtek.com

2

DS9231A-02 July 2001

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