1

2

3

4

5

6

7

14

13

12

11

10

9

8

PGI

GND

FPO

PSON

IS12

RI

NC

PGO

VS5

VS33

VS12

IS33

IS5

D OR N PACKAGE

(TOP VIEW)

NC – No internal connection

PGI

GND

FPO

PSON

IS12

RI

NC

PGO

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

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

12 V

5 V

3.3 v

6 A

16 A

9 A

9.2 A

24.6 A

13.5 A

TPS3513

www.ti.com

SLVS313B – FEBRUARY 2001 – REVISED SEPTEMBER 2010

PC POWER SUPPLY SUPERVISOR

Check for Samples: TPS3513

1

FEATURES

•

Overvoltage Protection and Lockout for 12 V,

5 V, and 3.3 V

•

Overcurrent Protection and Lockout for 12 V,

5 V, and 3.3 V

•

Undervoltage Protection and Lockout for 12 V,

and Undervoltage Detect for 5 V and 3.3 V

•

Fault-Protection Output With Open Drain

Output Stage

•

Open-Drain, Power Good Output Signal for

Power-Good Input, 3.3 V and 5 V

•

300-ms Power-Good Delay

DESCRIPTION

•

75-ms Delay for 5-V and 3.3-V Power Supply

Short-Circuit Turnon Protection

The TPS3513 is designed to optimize PC switching

power

supply

system

with

minimum

external

•

2.3 ms PSON Control to FPO Turnoff Delay

components.

It

provides

undervoltage

lockout

•

38 ms PSON Control Debounce

(UVLO), protection circuits, power good indicator, and

•

Wide Supply Voltage Range From 4.5 V

on/off control.

to 15 V

TYPICAL APPLICATION

1

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.

PRODUCTION DATA information is current as of publication date.

Copyright © 2001–2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.