ISL9440BIRZ datasheet(4/24 Pages) INTERSIL

Part #	ISL9440BIRZ

Description	Triple Step-Down PWM and Single Linear Controller with Programmable Soft-Start

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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4 / 24 page

4

FN6799.0

January 15, 2009

Typical Application - ISL9440B

+

PGOOD

+19V

UGATE2

PHASE2

I

SL9440B

+

CIN1

R5

C6

30

25

29

6

LGATE2

15

ISEN2 R4

C3

BOOT2

VIN

24

32

R6

31

FB1

UGATE1

PHASE1

+

C5

LGATE1

ISEN1

R3

C2

BOOT1

R2

OCSET3

VCC_5V

3

1

28

27

26

4

L2

13

SGND

Q2

VOUT1

R1

Q4

FB2

VOUT2

Q4

R9

R10

C12

VOUT4

R15

+2.5V, 800mA

+3.3V, 15A

+3.3V

CIN3

CIN5

L1

C1

+ 5.0V, 15A

R12

C11

VCC_5V

V

R17

VOUT2

150µF

150k

1.5µH

2.2µH

RJK0301DPB

100k

10k

31.6k

2.0k

20k

105k

0.22µF

10µF

4.7µF

21.5k

10k

100µF

Si4423DY

330F

10µF

0.22µF

51

330µF

UGATE3

PHASE3

+

R7

C9

19

LGATE3

ISEN3

R11

C8

BOOT3

18

R8

22

21

20

L3

16

Q6

FB3

VOUT3

+12V, 12A

3.3µH

10k

140k

1.5k

180µF

0.22µF

CIN7

10µF

+19V

7

OCSET1

R13

150k

12

OCSET2

R14

150k

9

10

G4

LDOFB

11

5

14

17

PGND

23

2

PGOOD

8

RST

VCC_5V

V

R16

100k

+

C4

330µF

+ C7

330µF

CINF

0.47µF

+

330pF

CFF3

RST

EN/SS1

EN/SS2

EN/SS3

CSS3

CSS2

22nF

CSS1

22nF

CIN2

150µF

+

CIN4

10µF

CFF1

220pF

CFF2

220pF

RJK0305DPB

Q1

Q3

RJK0305DPB

Q5

RJK0301DPB

RJK0304DPB

CIN6

10µF

RINF

1

+

C10

180µF

ISL9440B, ISL9440C

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ISL9440BIRZ Datasheet(PDF) 4 Page - Intersil Corporation

ISL9440BIRZ Datasheet(HTML) 4 Page - Intersil Corporation

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