AN-4003 datasheet(3/28 Pages) FAIRCHILD

Part #	AN-4003

Description	PC POWER SUPPLY DESIGN WITH KA3511

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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3 / 28 page

3

Rev C, November 1999

3. PIN DESCRIPTION

No.

Name

I/O

Function

No.

Name

I/O

Function

1

VCC

I

Supply voltage

12

Vref

O

Precision reference VTG

2

COMP

O

E/A output

13

V3.3

I

OVP, UVP input for 3.3V

3

E/A(-)

I

E/A (-) input

14

V5

I

OVP, UVP input for 5V

4

E/A(+)

I

E/A (+) input

15

V12

I

OVP, UVP input for 12V

5

TREM

–

Remote on/off delay

16

PT

I

Extra protection input

6

REM

I

Remote on/off input

17

TUVP

–

UVP delay

7

RT

–

Oscillation freq. setting R

18

GND

–

Signal ground

8

CT

–

Oscillation freq. setting C

19

DTC

I

Deadtime control input

9

DET

I

Detect input

20

C2

O

Output 2

10

TPG

–

PG delay

21

E

–

Power ground

11

PG

O

Power good signal output

22

C1

O

Output 1

KA3511

V

CC

COMPE/A(-)

EA(+)

TREM

REM

RT

CT

DET

TP

G

P

G

#1

#11

Vref

#12

V3.3

#22

V5

V12

PT

TUVP

GND

DTC

C2

E

C1

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