ISL6112INZA-T datasheet(9/31 Pages) INTERSIL

部件名	ISL6112INZA-T

功能描述	Dual Slot PCI-Express Power Controller

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制造商	INTERSIL [Intersil Corporation]

网页	http://www.intersil.com/cda/home

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9 / 31 page

9

FN6456.0

September 28, 2007

Typical Application Diagram

SYSTEM

POWER

SUPPLY

PCI-EXPRESS CONNECTOR

+12V

+3.3V

VSTBY

VSTBYB

VSTBYA

VAUXA

12VINA

12VSENSEA

3VINA

3VSENSEA

12VINB

12VSENSEB

3VINB

3VSENSEB

12VGATEA

12VOUTA

3VGATEA

3VOUTA

3VGATEB

3VOUTB

VAUXB

GND

A1

A2

A0

ONB

ONA

GPI_B0

GPI_A0

FORCE_ONB

FORCE_ONA

AUXENB

AUXENA

INT

SCL

SDA

12VGATEB

12VOUTB

CFILTERA

CFILTERB

ISL6112

#CGS

22nF

*

R12VGATEA

15

Ω

#

CGATE

22nF

#

CGD

6800pF

15

Ω

RSENSE^

PCI

EXPRESS

BUS

3.3AUX

375mA

3.3V

3.0A

12V

2.1A (x4/x8)

RSENSE^

#CGS

22nF

*

R12VGATEB

15

Ω

#CGD

6800pF

RSENSE^

0.015

Ω

#CGATE

22nF

*R3VGATEB

RSENSE^

0.015

Ω

PCI-EXPRESS CONNECTOR

PCI

EXPRESS

DATA BUS

3.3AUX

375mA

3.3V

3.0A

12V

2.1A (x4/x8)

* Values for R12VGATE and R3VGATE may vary

depending upon the CGS of the external MOSFETs.

# These components are not required for ISL6112

operation but can be implemented for GATE output

slew rate control (application specific)

• Bold lines indicate high current paths

4

9

2

11

26

5

8

3

10

12

13

14

16

32

29

34

27

25

24

23

21

22

17

GND

33

46

15

Ω

*R3VGATEA

0.1µF

FAULTB

FAULTA

PWRGDB

PWRGDA

1

ONB

ONA

AUXENB

AUXENA

INT

SCL

SDA

HOT-PLUG

CONTROLLER

SMBUS I/O

MANAGEMENT

CONTROLLER

48

47

37

43

42

38

28

35

45

44

VSTBY

C1

C2

VSTBY

10k x 3

10k x 4

SDA

SCL

INT

SMBUS

BASE

ADDRESS

39

40

41

GPI_B0

100k

GPI_A0

VSTBY

FORCE_ONB

FORCE_ONA

FAULTB

FAULTA

PWRGDB

PWRGDA

36

31

6

VSTBY

10k x 4

^ RSENSE value is application specific

ISL6112

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