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Typical application circuit – Rainbow Electronics MAX5958 User Manual

Page 22

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MAX5957/MAX5958

Triple PCI Express, Hot-Plug Controllers

22

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Typical Application Circuit

V

3.3VAUXIN

10k

PWRGD_

INT

SMBus

AO–A2

LEDs

MRL

PRSNT1#

PCI EXPRESS

SLOT_

+12V

PWRGD

3.3VAUX

3.3VAUXO_

GND

+3.3V

PRSNT2#

GND

ATTENTION

SWITCH

AUXON_

ON_

INPUT_

OUTPUT_

FON_

PRES-DET_

3.3G_

3.3S_-

3.3S_+

12S_+

V

3.3VAUX

IN5819

R

PORADJ

=

OPEN

V

12VMAIN

V

3.3VMAIN

12G_

10k

12S_-

3.3VAUXIN

ONE OF THREE SLOTS SHOWN

12VIN

PORADJ

2

2

MAX7313ATG

16-BIT I/O

EXPANDER

MAX5957
MAX5958

FAULT_

R

TIM

=

OPEN

TIM

R1

8m

R2

5m

0.1

µF

2.2

µF

0.1

µF