MIC2593-2BTQ 参数 Datasheet PDF下载

MIC2593

Micrel

Typical Application

Power

Supply

+12V

–12V

+5.0V

+3.3V

0.1µF

0.1µF

VSTBY

0.1µF

5

32

17

18

0.1µF

Schottky Diode

(Clamp)

#

PCI Connector

12VINA 12VINB

VSTBYA

12MVINA 12MVINB

VAUXA

15

PCI Bus

0.1µF

6

11

5VINA

0.1µF

26

VSTBYB

5VSENSEA

7

R

SENSE

0.008Ω

*R

12VGATEA

15Ω

0.01µF

Si4420DY

3.3AUXA

375mA

3

34

12VSLEWA

12VSLEWB

5VGATEA

8

**C3

**C4

5VOUTA

3VINA

2

35

9

5V, 5A

12

0.1µF

CFILTERA

CFILTERB

3VSENSEA

3VGATEA

100k

GPIA

GPIB

V

STBY

5VINB

10k

×

4

AUXENA

AUXENB

ONA

ONB

Hot Plug

Controller

V

STBY

45

42

44

43

13

R

SENSE

0.005Ω

V

STBY

**C1

**C2

14

16

10

19

*R

3VGATEA

15Ω

Si4420DY

3.3V, 7.6A

12V, 0.5A

–12V, 0.1A

100k

4

38

GPIA

GPIB

MIC2593

3VOUTA

12VOUTA

12MVOUTA

C

GATE

0.01µF

31

0.1µF

5VSENSEB

AUXENA

AUXENB

ONA

ONB

30

R

SENSE

0.008Ω

*R

12VGATEB

15Ω

Si4420DY

5V, 5A

0.1µF

5VGATEB

29

0.01µF

5VOUTB

28

10k

×

2

/FAULTA

/FAULTB

1

36

3VINB

/FAULTA

/FAULTB

3VSENSEB

3VGATEB

A0

3VOUTB

A1

A2

/INT

SCL

SDA

12VOUTB

12MVOUTB

VAUXB

GND

GND

25

24

R

SENSE

0.005Ω

*R

3VGATEB

41

23

21

27

20

22

33

46

Si4420DY

3.3V, 7.6A

12V, 0.5A

–12V, 0.1A

3.3AUXB

15Ω

SMBus

Base

Address

40

39

37

V

STBY

47

48

C

GATE

0.01µF

PCI Bus

10k

×

3

SDA

SMBus I/O

SCL

/INT

SDA

SCL

/INT

Management

Controller

PCI Connector

* Values for R

5VGATE[A/B]

and R

3VGATE[A/B]

may vary depending upon the C

GS

of the external MOSFETs.

** Values determined by design requirements. See “Functional Description” section for detailed information.

# MBRS140T3 or equivalent is recommended.

Bold

lines indicate high current paths

M9999-042204

2

April 2004