MIC2590B データシートの表示（PDF） - Micrel

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MIC2590B

Dual-Slot PCI Hot Plug Controller

Micrel 

Micrel, Inc.

Typical Application

Power

Supply

+12V

12V

+5.0V

+3.3V

VSTBY

20k

1%

12VIN1 12VIN2 12MVIN1 12MVIN2

VSTBY1

VSTBY2

12SLEWA

VAUXA

5VINA

5VSENA

12SLEWB

5VGATEA

5VOUTA

CFILTERA

3VINA

IREF

3VSENSEA

CFILTERB

3VGATEA

3VOUTA

12VOUTA

12MVOUTA

GND

MIC2590B

5VINB

5VSENSEB

ONA/ONB

AUXENA/AUXENB

ONA/ONB

2

AUXENA/AUXENB

5VGATEB

/FAULTA, /FAULTB

2

/FAULTA, /FAULTB

5VOUTB

2

Hot-Plug

Controller

A0

3VINB

A1

3VSENSEB

A2

/INT

SCL

SDA

3VGATEB

3VOUTB

12VOUTB

12MVOUTB

VAUXB

SMBus I/O

SDA

SCL

/INT

SDA

SCL Management

Controller

/INT

1A Schotty Diode

(Clamp)

R5VGATEA

CGATE

CGATE

R3VGATEA

RSENSE

RSENSE

4.7µF

4.7µF

R5VGATEB

CGATE

CGATE

R3VGATEB

RSENSE

RSENSE

4.7µF

4.7µF

Bus Switch

A

B

/OE

MIC2590B

PCI

Connector

PCI Bus

3.3VAUXA

5V, 5A

3.3V, 7.6A

12V, 0.5A

12V, 0.1A

PCI Bus

5V, 5A

3.3V, 7.6A

12V, 0.5A

12V, 0.1A

3.3VAUXB

September 2008

2

M9999-091808

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