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DEVICE INFORMATION

DRC PACKAGE

1

2

3

4

5

10

9

8

7

6

VOSNS

PGND

VO

VLDOIN

REFIN

REFOUT

EN

GND

PGOOD

VIN

TPS51200

(Bottom View)

TPS51200

SLUS812 – FEBRUARY 2008

TERMINAL FUNCTIONS

TERMINAL

NAME

NO.

I/O

DESCRIPTION

EN

7

I

For DDR VTT application, connect EN to SLP_S3. For any other application(s), use EN as the ON/OFF

function.

GND

8

–

Ground.Signal ground. Connect to negative terminal of the output capacitor.

PGND

4

–

Power ground output for the LDO

PGOOD

9

O

PGOOD output. Indicates regulation.

REFIN

1

I

Reference input

REFOUT

6

O

Reference output. Connect to GND through 0.1-

µF ceramic capacitor.

VIN

10

I

2.5-V or 3.3-V power supply A ceramic decoupling capacitor with a value between 1-

µF and 4.7-µF is

required.

VLDOIN

2

I

Supply voltage for the LDO

VO

3

O

Power output for the LDO

VOSNS

5

I

Voltage sense output for the LDO. Connect to positive terminal of the output capacitor or the load.

Copyright © 2008, Texas Instruments Incorporated

5

Product Folder Link(s): TPS51200