TPS3513

PC POWER SUPPLY SUPERVISORS

SLVS313 – FEBRUARY 2001

1

POST OFFICE BOX 655303

12 V, 5 V, and 3.3 V

12 V, 5 V, and 3.3 V

for 12 V, and Undervoltage Detect for

5 V and 3.3 V

Output Stage

Power-Good Input, 3.3 V and 5 V

Supply Short-Circuit Turnon Protection

4.5 V to 15 V

description

The TPS3513 is designed to optimize PC switching power supply system with minimum external components.

It provides undervoltage lockout (UVLO), protection circuits, power good indicator, and on/off control.

typical application

PGI

GND

FPO

PSON

IS12

RI

NC

PGO

VDD

VS5

VS33

VS12

IS33

IS5

5 V

3.3 V

12 V

TPS3513

560

Ω

56 k

Ω

R2

Ω

R1

Ω

470 k

Ω

1 k

Ω

820

Ω

1.5 k

Ω

0.01

Ω

0.01

Ω

0.01

Ω

IO

5 V VSB

12 V

5 V

3.3 V

5 V VSB

PG

From Transformer

System Side

Power Supply

Output Side

Max

Output Current

Over Current

Protection Trip Point†

12 V

5 V

3.3 v

6 A

16 A

9 A

9.2 A

24.6 A

13.5 A

† Over current protection trip point can be programmable.

Copyright

© 2001, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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14

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8

PGI

GND

FPO

PSON

IS12

RI

NC

PGO

VS5

VS33

VS12

IS33

IS5

D OR N PACKAGE

(TOP VIEW)

NC – No internal connection