FAN7686N datasheet(3/14 Pages) FAIRCHILD

Part #	FAN7686N

Description	PC Power Supply Output Monitoring IC

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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FAN7685/FAN7686/FAN7687

3

Pin Assignments

Pin Definitions

Notes :

* : FAN7686 Pin Definitions

** : FAN7687/FAN7687A Pin Definitions

Pin Number

Pin Name

I/O

Pin Function Description

1

PGI

I

Power Good Input

2

GND

-

Ground

3FPO

O

Fault Protection Output, Open Drain Output

4PSON

I

Remote On/Off Control Input

5

IS12

I

12V Over Current Protection

6

RI

O

Reference Current Setting Resistor

7

NC

No Connection(FAN7685)

IS5*

I

5V Over Current Protection(FAN7686)

ISVCC12**

I

12V-II Over Current Protection(FAN7687)

8

IS5

I

5V Over Current Protection(FAN7685/7)

IS33*

I

3.3V Over Current Protection(FAN7686)

9

IS33

I

3.3V Over Current Protection(FAN7685/7)

VS12*

I

12V Output Over/Under Voltage Protection(FAN7686)

10

VS12

I

12V Output Over/Under Voltage Protection(FAN7685/7)

NC*

No Connection(FAN7686)

11

VS33

I

3.3V Output Over/Under Voltage Protection

12

VS5

I

5V Output Over/Under Voltage Protection

13

Vcc

I

Supply Voltage(FAN7675/6)

VCC12**

I

Supply Voltage & 12V-II OV/UV Protectioin(FAN7687)

14

PGO

O

Power Good Output, Open Drain Output

1

PSON

FPO

IS12

GND

VCC12

RI

PGO

PGI

VS12

IS33

VS5

IS5

VS33

ISVCC12

2

3

4

5

6

7

14

9

8

13

12

11

10

1

PSON

FPO

IS12

GND

VCC

RI

PGO

PGI

VS12

IS33

VS5

IS5

VS33

NC

2

3

4

5

6

7

14

9

8

13

12

11

10

1

PSON

FPO

IS12

GND

VCC

RI

PGO

PGI

NC

VS12

VS5

IS33

VS33

IS5

2

3

4

5

6

7

14

9

8

13

12

11

10

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