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PIN ASSIGNMENT

SW

PGND

AGND

FB

OVT

PVIN

AVIN

PG

MODE

EN

8

10

9

6

7

3

1

2

5

4

TPS62510

SLVS651 – MAY 2006

DRC Package

(Top View)

A.

The exposed Thermal Die is connected to AGND.

TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NO.

SW

1

Switch pin of the converter. The inductor is connected here.

PGND

2

Power ground for the converter

AGND

3

Analog ground connection

FB

4

I

the adjustable version.

Output Voltage Tracking input. The signal applied to this pin is used as reference voltage overiding the

OVT

5

I

internal reference voltage when it is below the internal 0.6-V reference. If this feature is not used, the

Enable pin. A logic high enables the regulator, a logic low disables the regulator. This pin needs to be

EN

6

I

terminated and not left floating.

This pin is used to force fixed frequency PWM operation or to synchronize the device to an external clock

MODE

7

I

signal. With MODE = high, the device is forced into 1.5-MHz fixed frequency PWM operation. With

MODE = low, the device automatically enters the Power Save Mode at light load currents.

Power Good indication. This is a open drain output that is low when the device is disabled or the output

PG

8

O

voltage drops 10% below target.

Power supply for control circuitry. Must be connected to the same voltage supply as PVIN through RC

AVIN

9

filter.

PVIN

10

Input voltage for the power stage. VIN must be connected to the same voltage supply as AVIN.

PowerPAD™

C2

Connect the PowerPAD to analog ground AGND.

4

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